ribosomal protein S1 [Arabidopsis thaliana]
Protein Classification
List of domain hits
| Name | Accession | Description | Interval | E-value | |||||
| PRK07400 super family | cl32213 | 30S ribosomal protein S1; Reviewed |
71-367 | 2.53e-114 | |||||
30S ribosomal protein S1; Reviewed The actual alignment was detected with superfamily member PRK07400: Pssm-ID: 180960 [Multi-domain] Cd Length: 318 Bit Score: 337.16 E-value: 2.53e-114
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| Name | Accession | Description | Interval | E-value | |||||
| PRK07400 | PRK07400 | 30S ribosomal protein S1; Reviewed |
71-367 | 2.53e-114 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 180960 [Multi-domain] Cd Length: 318 Bit Score: 337.16 E-value: 2.53e-114
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| RpsA | COG0539 | Ribosomal protein S1 [Translation, ribosomal structure and biogenesis]; Ribosomal protein S1 ... |
83-338 | 6.57e-66 | |||||
Ribosomal protein S1 [Translation, ribosomal structure and biogenesis]; Ribosomal protein S1 is part of the Pathway/BioSystem: Ribosome 30S subunit Pssm-ID: 440305 [Multi-domain] Cd Length: 348 Bit Score: 213.75 E-value: 6.57e-66
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| rpsA | TIGR00717 | ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found ... |
99-344 | 1.26e-38 | |||||
ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found in most bacterial genomes in a single copy, but is not present in the Mycoplasmas. It is heterogeneous with respect to the number of repeats of the S1 RNA binding domain described by pfam00575: six repeats in E. coli and most other bacteria, four in Bacillus subtilis and some other species. rpsA is an essential gene in E. coli but not in B. subtilis. It is associated with the cytidylate kinase gene cmk in many species, and fused to it in Treponema pallidum. RpsA is proposed (Medline:97323001) to assist in mRNA degradation. This model provides trusted hits to most long form (6 repeat) examples of RpsA. Among homologs with only four repeats are some to which other (perhaps secondary) functions have been assigned. [Protein synthesis, Ribosomal proteins: synthesis and modification] Pssm-ID: 273232 [Multi-domain] Cd Length: 516 Bit Score: 145.65 E-value: 1.26e-38
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| S1_RPS1_repeat_hs4 | cd05692 | S1_RPS1_repeat_hs4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-332 | 4.69e-28 | |||||
S1_RPS1_repeat_hs4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 4 (hs4) of the H. sapiens RPS1 homolog. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240197 [Multi-domain] Cd Length: 69 Bit Score: 105.45 E-value: 4.69e-28
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| S1 | smart00316 | Ribosomal protein S1-like RNA-binding domain; |
263-332 | 6.41e-20 | |||||
Ribosomal protein S1-like RNA-binding domain; Pssm-ID: 197648 [Multi-domain] Cd Length: 72 Bit Score: 83.04 E-value: 6.41e-20
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| S1 | pfam00575 | S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is ... |
263-331 | 7.87e-14 | |||||
S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure. Pssm-ID: 425760 [Multi-domain] Cd Length: 72 Bit Score: 66.16 E-value: 7.87e-14
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| Name | Accession | Description | Interval | E-value | |||||
| PRK07400 | PRK07400 | 30S ribosomal protein S1; Reviewed |
71-367 | 2.53e-114 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 180960 [Multi-domain] Cd Length: 318 Bit Score: 337.16 E-value: 2.53e-114
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| RpsA | COG0539 | Ribosomal protein S1 [Translation, ribosomal structure and biogenesis]; Ribosomal protein S1 ... |
83-338 | 6.57e-66 | |||||
Ribosomal protein S1 [Translation, ribosomal structure and biogenesis]; Ribosomal protein S1 is part of the Pathway/BioSystem: Ribosome 30S subunit Pssm-ID: 440305 [Multi-domain] Cd Length: 348 Bit Score: 213.75 E-value: 6.57e-66
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| rpsA | PRK06676 | 30S ribosomal protein S1; Reviewed |
97-342 | 1.80e-54 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 235851 [Multi-domain] Cd Length: 390 Bit Score: 185.46 E-value: 1.80e-54
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| PRK00087 | PRK00087 | bifunctional 4-hydroxy-3-methylbut-2-enyl diphosphate reductase/30S ribosomal protein S1; |
83-338 | 4.49e-50 | |||||
bifunctional 4-hydroxy-3-methylbut-2-enyl diphosphate reductase/30S ribosomal protein S1; Pssm-ID: 234623 [Multi-domain] Cd Length: 647 Bit Score: 178.99 E-value: 4.49e-50
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| rpsA | PRK06299 | 30S ribosomal protein S1; Reviewed |
83-338 | 9.60e-48 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 235775 [Multi-domain] Cd Length: 565 Bit Score: 171.50 E-value: 9.60e-48
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| rpsA | TIGR00717 | ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found ... |
99-344 | 1.26e-38 | |||||
ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found in most bacterial genomes in a single copy, but is not present in the Mycoplasmas. It is heterogeneous with respect to the number of repeats of the S1 RNA binding domain described by pfam00575: six repeats in E. coli and most other bacteria, four in Bacillus subtilis and some other species. rpsA is an essential gene in E. coli but not in B. subtilis. It is associated with the cytidylate kinase gene cmk in many species, and fused to it in Treponema pallidum. RpsA is proposed (Medline:97323001) to assist in mRNA degradation. This model provides trusted hits to most long form (6 repeat) examples of RpsA. Among homologs with only four repeats are some to which other (perhaps secondary) functions have been assigned. [Protein synthesis, Ribosomal proteins: synthesis and modification] Pssm-ID: 273232 [Multi-domain] Cd Length: 516 Bit Score: 145.65 E-value: 1.26e-38
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| rpsA | PRK07899 | 30S ribosomal protein S1; Reviewed |
81-332 | 1.77e-33 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 236126 [Multi-domain] Cd Length: 486 Bit Score: 130.93 E-value: 1.77e-33
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| S1_RPS1_repeat_hs4 | cd05692 | S1_RPS1_repeat_hs4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-332 | 4.69e-28 | |||||
S1_RPS1_repeat_hs4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 4 (hs4) of the H. sapiens RPS1 homolog. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240197 [Multi-domain] Cd Length: 69 Bit Score: 105.45 E-value: 4.69e-28
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| rpsA | TIGR00717 | ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found ... |
99-346 | 3.83e-24 | |||||
ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found in most bacterial genomes in a single copy, but is not present in the Mycoplasmas. It is heterogeneous with respect to the number of repeats of the S1 RNA binding domain described by pfam00575: six repeats in E. coli and most other bacteria, four in Bacillus subtilis and some other species. rpsA is an essential gene in E. coli but not in B. subtilis. It is associated with the cytidylate kinase gene cmk in many species, and fused to it in Treponema pallidum. RpsA is proposed (Medline:97323001) to assist in mRNA degradation. This model provides trusted hits to most long form (6 repeat) examples of RpsA. Among homologs with only four repeats are some to which other (perhaps secondary) functions have been assigned. [Protein synthesis, Ribosomal proteins: synthesis and modification] Pssm-ID: 273232 [Multi-domain] Cd Length: 516 Bit Score: 104.43 E-value: 3.83e-24
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| S1_RPS1_repeat_ec3 | cd05688 | S1_RPS1_repeat_ec3: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
263-330 | 1.96e-22 | |||||
S1_RPS1_repeat_ec3: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 3 (ec3) of the Escherichia coli RPS1. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240193 [Multi-domain] Cd Length: 68 Bit Score: 90.00 E-value: 1.96e-22
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| rpsA | PRK13806 | 30S ribosomal protein S1; Provisional |
68-342 | 9.08e-22 | |||||
30S ribosomal protein S1; Provisional Pssm-ID: 237516 [Multi-domain] Cd Length: 491 Bit Score: 97.10 E-value: 9.08e-22
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| S1_RPS1_repeat_ec2_hs2 | cd04465 | S1_RPS1_repeat_ec2_hs2: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
187-251 | 3.58e-20 | |||||
S1_RPS1_repeat_ec2_hs2: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain.While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 2 of the Escherichia coli and Homo sapiens RPS1 (ec2 and hs2, respectively). Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 239911 [Multi-domain] Cd Length: 67 Bit Score: 83.66 E-value: 3.58e-20
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| S1 | smart00316 | Ribosomal protein S1-like RNA-binding domain; |
263-332 | 6.41e-20 | |||||
Ribosomal protein S1-like RNA-binding domain; Pssm-ID: 197648 [Multi-domain] Cd Length: 72 Bit Score: 83.04 E-value: 6.41e-20
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| YabR | COG1098 | Predicted RNA-binding protein, contains ribosomal protein S1 (RPS1) domain [General function ... |
263-365 | 7.33e-20 | |||||
Predicted RNA-binding protein, contains ribosomal protein S1 (RPS1) domain [General function prediction only]; Pssm-ID: 440715 [Multi-domain] Cd Length: 130 Bit Score: 84.85 E-value: 7.33e-20
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| rpsA | TIGR00717 | ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found ... |
97-344 | 1.48e-18 | |||||
ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found in most bacterial genomes in a single copy, but is not present in the Mycoplasmas. It is heterogeneous with respect to the number of repeats of the S1 RNA binding domain described by pfam00575: six repeats in E. coli and most other bacteria, four in Bacillus subtilis and some other species. rpsA is an essential gene in E. coli but not in B. subtilis. It is associated with the cytidylate kinase gene cmk in many species, and fused to it in Treponema pallidum. RpsA is proposed (Medline:97323001) to assist in mRNA degradation. This model provides trusted hits to most long form (6 repeat) examples of RpsA. Among homologs with only four repeats are some to which other (perhaps secondary) functions have been assigned. [Protein synthesis, Ribosomal proteins: synthesis and modification] Pssm-ID: 273232 [Multi-domain] Cd Length: 516 Bit Score: 87.48 E-value: 1.48e-18
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| PRK08059 | PRK08059 | general stress protein 13; Validated |
259-338 | 3.67e-18 | |||||
general stress protein 13; Validated Pssm-ID: 181215 [Multi-domain] Cd Length: 123 Bit Score: 80.09 E-value: 3.67e-18
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| rpsA | TIGR00717 | ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found ... |
99-332 | 5.64e-17 | |||||
ribosomal protein S1; This model describes ribosomal protein S1, RpsA. This protein is found in most bacterial genomes in a single copy, but is not present in the Mycoplasmas. It is heterogeneous with respect to the number of repeats of the S1 RNA binding domain described by pfam00575: six repeats in E. coli and most other bacteria, four in Bacillus subtilis and some other species. rpsA is an essential gene in E. coli but not in B. subtilis. It is associated with the cytidylate kinase gene cmk in many species, and fused to it in Treponema pallidum. RpsA is proposed (Medline:97323001) to assist in mRNA degradation. This model provides trusted hits to most long form (6 repeat) examples of RpsA. Among homologs with only four repeats are some to which other (perhaps secondary) functions have been assigned. [Protein synthesis, Ribosomal proteins: synthesis and modification] Pssm-ID: 273232 [Multi-domain] Cd Length: 516 Bit Score: 82.86 E-value: 5.64e-17
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| S1_Tex | cd05685 | S1_Tex: The C-terminal S1 domain of a transcription accessory factor called Tex, which has ... |
264-330 | 6.32e-17 | |||||
S1_Tex: The C-terminal S1 domain of a transcription accessory factor called Tex, which has been characterized in Bordetella pertussis and Pseudomonas aeruginosa. The tex gene is essential in Bortella pertusis and is named for its role in toxin expression. Tex has two functional domains, an N-terminal domain homologous to the Escherichia coli maltose repression protein, which is a poorly defined transcriptional factor, and a C-terminal S1 RNA-binding domain. Tex is found in prokaryotes, eukaryotes, and archaea. Pssm-ID: 240190 [Multi-domain] Cd Length: 68 Bit Score: 74.58 E-value: 6.32e-17
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| rpsA | PRK13806 | 30S ribosomal protein S1; Provisional |
86-338 | 7.09e-17 | |||||
30S ribosomal protein S1; Provisional Pssm-ID: 237516 [Multi-domain] Cd Length: 491 Bit Score: 82.46 E-value: 7.09e-17
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| S1_PNPase | cd04472 | S1_PNPase: Polynucleotide phosphorylase (PNPase), ), S1-like RNA-binding domain. PNPase is a ... |
264-330 | 9.39e-16 | |||||
S1_PNPase: Polynucleotide phosphorylase (PNPase), ), S1-like RNA-binding domain. PNPase is a polyribonucleotide nucleotidyl transferase that degrades mRNA. It is a trimeric multidomain protein. The C-terminus contains the S1 domain which binds ssRNA. This family is classified based on the S1 domain. PNPase nonspecifically removes the 3' nucleotides from mRNA, but is stalled by double-stranded RNA structures such as a stem-loop. Evidence shows that a minimum of 7-10 unpaired nucleotides at the 3' end, is required for PNPase degradation. It is suggested that PNPase also dephosphorylates the RNA 5' end. This additional activity may regulate the 5'-dependent activity of RNaseE in vivo. Pssm-ID: 239918 [Multi-domain] Cd Length: 68 Bit Score: 71.42 E-value: 9.39e-16
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| PRK11824 | PRK11824 | polynucleotide phosphorylase/polyadenylase; Provisional |
263-335 | 1.83e-15 | |||||
polynucleotide phosphorylase/polyadenylase; Provisional Pssm-ID: 236995 [Multi-domain] Cd Length: 693 Bit Score: 78.55 E-value: 1.83e-15
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| rpsA | PRK06299 | 30S ribosomal protein S1; Reviewed |
97-335 | 2.48e-14 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 235775 [Multi-domain] Cd Length: 565 Bit Score: 74.82 E-value: 2.48e-14
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| S1 | pfam00575 | S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is ... |
263-331 | 7.87e-14 | |||||
S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure. Pssm-ID: 425760 [Multi-domain] Cd Length: 72 Bit Score: 66.16 E-value: 7.87e-14
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| S1_like | cd00164 | S1_like: Ribosomal protein S1-like RNA-binding domain. Found in a wide variety of ... |
267-330 | 1.27e-13 | |||||
S1_like: Ribosomal protein S1-like RNA-binding domain. Found in a wide variety of RNA-associated proteins. Originally identified in S1 ribosomal protein. This superfamily also contains the Cold Shock Domain (CSD), which is a homolog of the S1 domain. Both domains are members of the Oligonucleotide/oligosaccharide Binding (OB) fold. Pssm-ID: 238094 [Multi-domain] Cd Length: 65 Bit Score: 65.48 E-value: 1.27e-13
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| PRK05807 | PRK05807 | RNA-binding protein S1; |
261-337 | 1.65e-13 | |||||
RNA-binding protein S1; Pssm-ID: 235614 [Multi-domain] Cd Length: 136 Bit Score: 67.08 E-value: 1.65e-13
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| S1_Rrp5_repeat_sc12 | cd05708 | S1_Rrp5_repeat_sc12: Rrp5 is a trans-acting factor important for biogenesis of both the 40S ... |
264-332 | 5.29e-13 | |||||
S1_Rrp5_repeat_sc12: Rrp5 is a trans-acting factor important for biogenesis of both the 40S and 60S eukaryotic ribosomal subunits. Rrp5 has two distinct regions, an N-terminal region containing tandemly repeated S1 RNA-binding domains (12 S1 repeats in Saccharomyces cerevisiae Rrp5 and 14 S1 repeats in Homo sapiens Rrp5) and a C-terminal region containing tetratricopeptide repeat (TPR) motifs thought to be involved in protein-protein interactions. Mutational studies have shown that each region represents a specific functional domain. Deletions within the S1-containing region inhibit pre-rRNA processing at either site A3 or A2, whereas deletions within the TPR region confer an inability to support cleavage of A0-A2. This CD includes S. cerevisiae S1 repeat 12 (sc12). Rrp5 is found in eukaryotes but not in prokaryotes or archaea. Pssm-ID: 240213 [Multi-domain] Cd Length: 77 Bit Score: 63.89 E-value: 5.29e-13
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| PRK12269 | PRK12269 | bifunctional cytidylate kinase/ribosomal protein S1; Provisional |
90-338 | 9.46e-13 | |||||
bifunctional cytidylate kinase/ribosomal protein S1; Provisional Pssm-ID: 105491 [Multi-domain] Cd Length: 863 Bit Score: 70.13 E-value: 9.46e-13
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| PRK12269 | PRK12269 | bifunctional cytidylate kinase/ribosomal protein S1; Provisional |
99-342 | 1.50e-12 | |||||
bifunctional cytidylate kinase/ribosomal protein S1; Provisional Pssm-ID: 105491 [Multi-domain] Cd Length: 863 Bit Score: 69.36 E-value: 1.50e-12
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| Tex | COG2183 | Transcriptional accessory protein Tex/SPT6 [Transcription]; |
278-339 | 1.96e-12 | |||||
Transcriptional accessory protein Tex/SPT6 [Transcription]; Pssm-ID: 441786 [Multi-domain] Cd Length: 719 Bit Score: 68.90 E-value: 1.96e-12
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| S1_DHX8_helicase | cd05684 | S1_DHX8_helicase: The N-terminal S1 domain of human ATP-dependent RNA helicase DHX8, a DEAH ... |
264-332 | 4.35e-11 | |||||
S1_DHX8_helicase: The N-terminal S1 domain of human ATP-dependent RNA helicase DHX8, a DEAH (Asp-Glu-Ala-His) box polypeptide. The DEAH-box RNA helicases are thought to play key roles in pre-mRNA splicing and DHX8 facilitates nuclear export of spliced mRNA by releasing the RNA from the spliceosome. DHX8 is also known as HRH1 (human RNA helicase 1) in Homo sapiens and PRP22 in Saccharomyces cerevisiae. Pssm-ID: 240189 [Multi-domain] Cd Length: 79 Bit Score: 58.40 E-value: 4.35e-11
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| PRK08582 | PRK08582 | RNA-binding protein S1; |
263-364 | 1.82e-09 | |||||
RNA-binding protein S1; Pssm-ID: 236305 [Multi-domain] Cd Length: 139 Bit Score: 55.81 E-value: 1.82e-09
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| S1_RPS1_repeat_ec1_hs1 | cd05687 | S1_RPS1_repeat_ec1_hs1: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
99-169 | 3.01e-09 | |||||
S1_RPS1_repeat_ec1_hs1: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 1 of the Escherichia coli and Homo sapiens RPS1 (ec1 and hs1, respectively). Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240192 [Multi-domain] Cd Length: 70 Bit Score: 52.92 E-value: 3.01e-09
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| rpsA | PRK13806 | 30S ribosomal protein S1; Provisional |
99-340 | 4.40e-09 | |||||
30S ribosomal protein S1; Provisional Pssm-ID: 237516 [Multi-domain] Cd Length: 491 Bit Score: 58.20 E-value: 4.40e-09
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| S1_IF2_alpha | cd04452 | S1_IF2_alpha: The alpha subunit of translation Initiation Factor 2, S1-like RNA-binding domain. ... |
263-333 | 5.67e-09 | |||||
S1_IF2_alpha: The alpha subunit of translation Initiation Factor 2, S1-like RNA-binding domain. S1-like RNA-binding domains are found in a wide variety of RNA-associated proteins. Eukaryotic and archaeal Initiation Factor 2 (e- and aIF2, respectively) are heterotrimeric proteins with three subunits (alpha, beta, and gamma). IF2 plays a crucial role in the process of translation initiation. The IF2 gamma subunit contains a GTP-binding site. The IF2 beta and gamma subunits together are thought to be responsible for binding methionyl-initiator tRNA. The ternary complex consisting of IF2, GTP, and the methionyl-initiator tRNA binds to the small subunit of the ribosome, as part of a pre-initiation complex that scans the mRNA to find the AUG start codon. The IF2-bound GTP is hydrolyzed to GDP when the methionyl-initiator tRNA binds the AUG start codon, at which time the IF2 is released with its bound GDP. The large ribosomal subunit then joins with the small subunit to complete the initiation complex, which is competent to begin translation. The IF2a subunit is a major site of control of the translation initiation process, via phosphorylation of a specific serine residue. This alpha subunit is well conserved in eukaryotes and archaea but is not present in bacteria. IF2 is a cold-shock-inducible protein. Pssm-ID: 239899 [Multi-domain] Cd Length: 76 Bit Score: 52.59 E-value: 5.67e-09
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| S1 | smart00316 | Ribosomal protein S1-like RNA-binding domain; |
97-169 | 8.08e-09 | |||||
Ribosomal protein S1-like RNA-binding domain; Pssm-ID: 197648 [Multi-domain] Cd Length: 72 Bit Score: 51.84 E-value: 8.08e-09
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| PRK07252 | PRK07252 | S1 RNA-binding domain-containing protein; |
263-335 | 1.35e-08 | |||||
S1 RNA-binding domain-containing protein; Pssm-ID: 180908 [Multi-domain] Cd Length: 120 Bit Score: 52.78 E-value: 1.35e-08
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| S1_RPS1_repeat_ec6 | cd05691 | S1_RPS1_repeat_ec6: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-335 | 1.54e-08 | |||||
S1_RPS1_repeat_ec6: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 6 (ec6) of the Escherichia coli RPS1. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240196 [Multi-domain] Cd Length: 73 Bit Score: 51.12 E-value: 1.54e-08
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| S1_Rrp5_repeat_hs6_sc5 | cd05698 | S1_Rrp5_repeat_hs6_sc5: Rrp5 is a trans-acting factor important for biogenesis of both the 40S ... |
264-332 | 2.31e-08 | |||||
S1_Rrp5_repeat_hs6_sc5: Rrp5 is a trans-acting factor important for biogenesis of both the 40S and 60S eukaryotic ribosomal subunits. Rrp5 has two distinct regions, an N-terminal region containing tandemly repeated S1 RNA-binding domains (12 S1 repeats in Saccharomyces cerevisiae Rrp5 and 14 S1 repeats in Homo sapiens Rrp5) and a C-terminal region containing tetratricopeptide repeat (TPR) motifs thought to be involved in protein-protein interactions. Mutational studies have shown that each region represents a specific functional domain. Deletions within the S1-containing region inhibit pre-rRNA processing at either site A3 or A2, whereas deletions within the TPR region confer an inability to support cleavage of A0-A2. This CD includes H. sapiens S1 repeat 6 (hs6) and S. cerevisiae S1 repeat 5 (sc5). Rrp5 is found in eukaryotes but not in prokaryotes or archaea. Pssm-ID: 240203 [Multi-domain] Cd Length: 70 Bit Score: 50.69 E-value: 2.31e-08
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| RPB7 | COG1095 | DNA-directed RNA polymerase, subunit E'/Rpb7 [Transcription]; DNA-directed RNA polymerase, ... |
266-333 | 2.99e-08 | |||||
DNA-directed RNA polymerase, subunit E'/Rpb7 [Transcription]; DNA-directed RNA polymerase, subunit E'/Rpb7 is part of the Pathway/BioSystem: RNA polymerase Pssm-ID: 440712 [Multi-domain] Cd Length: 171 Bit Score: 52.87 E-value: 2.99e-08
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| S1_RPS1_repeat_ec5 | cd05690 | S1_RPS1_repeat_ec5: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-329 | 4.51e-08 | |||||
S1_RPS1_repeat_ec5: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 5 (ec5) of the Escherichia coli RPS1. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240195 [Multi-domain] Cd Length: 69 Bit Score: 49.80 E-value: 4.51e-08
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| PRK08563 | PRK08563 | DNA-directed RNA polymerase subunit E'; Provisional |
266-317 | 4.77e-08 | |||||
DNA-directed RNA polymerase subunit E'; Provisional Pssm-ID: 236289 [Multi-domain] Cd Length: 187 Bit Score: 52.52 E-value: 4.77e-08
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| S1_RPS1_repeat_ec1_hs1 | cd05687 | S1_RPS1_repeat_ec1_hs1: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-330 | 2.80e-07 | |||||
S1_RPS1_repeat_ec1_hs1: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 1 of the Escherichia coli and Homo sapiens RPS1 (ec1 and hs1, respectively). Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240192 [Multi-domain] Cd Length: 70 Bit Score: 47.52 E-value: 2.80e-07
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| S1_Rrp5_repeat_hs8_sc7 | cd04461 | S1_Rrp5_repeat_hs8_sc7: Rrp5 Homo sapiens S1 repeat 8 (hs8) and Saccharomyces cerevisiae S1 ... |
264-330 | 4.17e-07 | |||||
S1_Rrp5_repeat_hs8_sc7: Rrp5 Homo sapiens S1 repeat 8 (hs8) and Saccharomyces cerevisiae S1 repeat 7 (sc7)-like domains. Rrp5 is a trans-acting factor important for biogenesis of both the 40S and 60S eukaryotic ribosomal subunits. Rrp5 has two distinct regions, an N-terminal region containing tandemly repeated S1 RNA-binding domains (12 S1 repeats in S. cerevisiae Rrp5 and 14 S1 repeats in H. sapiens Rrp5) and a C-terminal region containing tetratricopeptide repeat (TPR) motifs thought to be involved in protein-protein interactions. Mutational studies have shown that each region represents a specific functional domain. Deletions within the S1-containing region inhibit pre-rRNA processing at either site A3 or A2, whereas deletions within the TPR region confer an inability to support cleavage of A0-A2. This CD includes H. sapiens S1 repeat 8 and S. cerevisiae S1 repeat 7. Rrp5 is found in eukaryotes but not in prokaryotes or archaea. Pssm-ID: 239908 [Multi-domain] Cd Length: 83 Bit Score: 47.20 E-value: 4.17e-07
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| PRK12269 | PRK12269 | bifunctional cytidylate kinase/ribosomal protein S1; Provisional |
198-335 | 9.51e-07 | |||||
bifunctional cytidylate kinase/ribosomal protein S1; Provisional Pssm-ID: 105491 [Multi-domain] Cd Length: 863 Bit Score: 51.25 E-value: 9.51e-07
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| S1_RpoE | cd04460 | S1_RpoE: RpoE, S1-like RNA-binding domain. S1-like RNA-binding domains are found in a wide ... |
266-301 | 1.14e-06 | |||||
S1_RpoE: RpoE, S1-like RNA-binding domain. S1-like RNA-binding domains are found in a wide variety of RNA-associated proteins. RpoE is subunit E of archaeal RNA polymerase. Archaeal cells contain a single RNA polymerase made up of 12 subunits, which are homologous to the 12 subunits (RPB1-12) of eukaryotic RNA polymerase II. RpoE is homologous to Rpa43 of eukaryotic RNA polymerase I, RPB7 of eukaryotic RNA polymerase II, and Rpc25 of eukaryotic RNA polymerase III. RpoE is composed of two domains, the N-terminal RNP (ribonucleoprotein) domain and the C-terminal S1 domain. This S1 domain binds ssRNA and ssDNA. This family is classified based on the C-terminal S1 domain. The function of RpoE is not fully understood. In eukaryotes, RPB7 and RPB4 form a heterodimer that reversibly associates with the RNA polymerase II core. Pssm-ID: 239907 [Multi-domain] Cd Length: 99 Bit Score: 46.51 E-value: 1.14e-06
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| S1_RPS1_repeat_ec4 | cd05689 | S1_RPS1_repeat_ec4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-329 | 1.74e-06 | |||||
S1_RPS1_repeat_ec4: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain. While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 4 (ec4) of the Escherichia coli RPS1. Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 240194 [Multi-domain] Cd Length: 72 Bit Score: 45.26 E-value: 1.74e-06
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| rpsA | PRK06676 | 30S ribosomal protein S1; Reviewed |
256-335 | 2.30e-06 | |||||
30S ribosomal protein S1; Reviewed Pssm-ID: 235851 [Multi-domain] Cd Length: 390 Bit Score: 49.49 E-value: 2.30e-06
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| S1 | pfam00575 | S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is ... |
189-249 | 6.69e-06 | |||||
S1 RNA binding domain; The S1 domain occurs in a wide range of RNA associated proteins. It is structurally similar to cold shock protein which binds nucleic acids. The S1 domain has an OB-fold structure. Pssm-ID: 425760 [Multi-domain] Cd Length: 72 Bit Score: 43.82 E-value: 6.69e-06
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| S1 | smart00316 | Ribosomal protein S1-like RNA-binding domain; |
189-251 | 8.62e-06 | |||||
Ribosomal protein S1-like RNA-binding domain; Pssm-ID: 197648 [Multi-domain] Cd Length: 72 Bit Score: 43.36 E-value: 8.62e-06
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| PRK03987 | PRK03987 | translation initiation factor IF-2 subunit alpha; Validated |
264-333 | 3.44e-05 | |||||
translation initiation factor IF-2 subunit alpha; Validated Pssm-ID: 235188 [Multi-domain] Cd Length: 262 Bit Score: 45.20 E-value: 3.44e-05
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| PLN00207 | PLN00207 | polyribonucleotide nucleotidyltransferase; Provisional |
271-338 | 1.00e-04 | |||||
polyribonucleotide nucleotidyltransferase; Provisional Pssm-ID: 215104 [Multi-domain] Cd Length: 891 Bit Score: 44.50 E-value: 1.00e-04
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| S1_RPS1_repeat_ec2_hs2 | cd04465 | S1_RPS1_repeat_ec2_hs2: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ... |
264-332 | 1.24e-04 | |||||
S1_RPS1_repeat_ec2_hs2: Ribosomal protein S1 (RPS1) domain. RPS1 is a component of the small ribosomal subunit thought to be involved in the recognition and binding of mRNA's during translation initiation. The bacterial RPS1 domain architecture consists of 4-6 tandem S1 domains. In some bacteria, the tandem S1 array is located C-terminal to a 4-hydroxy-3-methylbut-2-enyl diphosphate reductase (HMBPP reductase) domain.While RPS1 is found primarily in bacteria, proteins with tandem RPS1-like domains have been identified in plants and humans, however these lack the N-terminal HMBPP reductase domain. This CD includes S1 repeat 2 of the Escherichia coli and Homo sapiens RPS1 (ec2 and hs2, respectively). Autoantibodies to double-stranded DNA from patients with systemic lupus erythematosus cross-react with the human RPS1 homolog. Pssm-ID: 239911 [Multi-domain] Cd Length: 67 Bit Score: 39.75 E-value: 1.24e-04
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| S1_Rrp5_repeat_hs5 | cd05697 | S1_Rrp5_repeat_hs5: Rrp5 is a trans-acting factor important for biogenesis of both the 40S and ... |
264-329 | 4.01e-04 | |||||
S1_Rrp5_repeat_hs5: Rrp5 is a trans-acting factor important for biogenesis of both the 40S and 60S eukaryotic ribosomal subunits. Rrp5 has two distinct regions, an N-terminal region containing tandemly repeated S1 RNA-binding domains (12 S1 repeats in Saccharomyces cerevisiae Rrp5 and 14 S1 repeats in Homo sapiens Rrp5) and a C-terminal region containing tetratricopeptide repeat (TPR) motifs thought to be involved in protein-protein interactions. Mutational studies have shown that each region represents a specific functional domain. Deletions within the S1-containing region inhibit pre-rRNA processing at either site A3 or A2, whereas deletions within the TPR region confer an inability to support cleavage of A0-A2. This CD includes H. sapiens S1 repeat 5 (hs5) and S. cerevisiae S1 repeat 5 (sc5). Rrp5 is found in eukaryotes but not in prokaryotes or archaea. Pssm-ID: 240202 [Multi-domain] Cd Length: 69 Bit Score: 38.37 E-value: 4.01e-04
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| S1_RNase_E | cd04453 | S1_RNase_E: RNase E and RNase G, S1-like RNA-binding domain. RNase E is an essential ... |
263-317 | 5.40e-04 | |||||
S1_RNase_E: RNase E and RNase G, S1-like RNA-binding domain. RNase E is an essential endoribonuclease in the processing and degradation of RNA. In addition to its role in mRNA degradation, RNase E has also been implicated in the processing of rRNA, and the maturation of tRNA, 10Sa RNA and the M1 precursor of RNase P. RNase E associates with PNPase (3' to 5' exonuclease), Rhl B (DEAD-box RNA helicase) and enolase (glycolytic enzyme) to form the RNA degradosome. RNase E tends to cut mRNA within single-stranded regions that are rich in A/U nucleotides. The N-terminal region of RNase E contains the catalytic site. Within the conserved N-terminal domain of RNAse E and RNase G, there is an S1-like subdomain, which is an ancient single-stranded RNA-binding domain. S1 domain is an RNA-binding module originally identified in the ribosomal protein S1. The S1 domain is required for RNA cleavage by RNase E. RNase G is paralogous to RNase E with an N-terminal catalytic domain that is highly homologous to that of RNase E. RNase G not only shares sequence similarity with RNase E, but also functionally overlaps with RNase E. In Escherichia coli, RNase G is involved in the maturation of the 5' end of the 16S rRNA. RNase G plays a secondary role in mRNA decay. Pssm-ID: 239900 [Multi-domain] Cd Length: 88 Bit Score: 38.73 E-value: 5.40e-04
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| S1_Rrp4 | cd05789 | S1_Rrp4: Rrp4 S1-like RNA-binding domain. S1-like RNA-binding domains are found in a wide ... |
263-332 | 9.48e-04 | |||||
S1_Rrp4: Rrp4 S1-like RNA-binding domain. S1-like RNA-binding domains are found in a wide variety of RNA-associated proteins. Rrp4 protein is a subunit of the exosome complex. The exosome plays a central role in 3' to 5' RNA processing and degradation in eukarytes and archaea. Its functions include the removal of incorrectly processed RNA and the maintenance of proper levels of mRNA, rRNA and a number of small RNA species. In Saccharomyces cerevisiae, the exosome includes nine core components, six of which are homologous to bacterial RNase PH. These form a hexameric ring structure. The other three subunits (RrP4, Rrp40, and Csl4) contain an S1 RNA binding domain and are part of the "S1 pore structure". Pssm-ID: 240215 [Multi-domain] Cd Length: 86 Bit Score: 37.91 E-value: 9.48e-04
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| S1_Rrp5_repeat_hs11_sc8 | cd05702 | S1_Rrp5_repeat_hs11_sc8: Rrp5 is a trans-acting factor important for biogenesis of both the ... |
264-318 | 6.09e-03 | |||||
S1_Rrp5_repeat_hs11_sc8: Rrp5 is a trans-acting factor important for biogenesis of both the 40S and 60S eukaryotic ribosomal subunits. Rrp5 has two distinct regions, an N-terminal region containing tandemly repeated S1 RNA-binding domains (12 S1 repeats in Saccharomyces cerevisiae Rrp5 and 14 S1 repeats in Homo sapiens Rrp5) and a C-terminal region containing tetratricopeptide repeat (TPR) motifs thought to be involved in protein-protein interactions. Mutational studies have shown that each region represents a specific functional domain. Deletions within the S1-containing region inhibit pre-rRNA processing at either site A3 or A2, whereas deletions within the TPR region confer an inability to support cleavage of A0-A2. This CD includes H. sapiens S1 repeat 11 (hs11) and S. cerevisiae S1 repeat 8 (sc8). Rrp5 is found in eukaryotes but not in prokaryotes or archaea. Pssm-ID: 240207 [Multi-domain] Cd Length: 70 Bit Score: 35.26 E-value: 6.09e-03
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| valS | PRK05729 | valyl-tRNA synthetase; Reviewed |
141-255 | 8.65e-03 | |||||
valyl-tRNA synthetase; Reviewed Pssm-ID: 235582 [Multi-domain] Cd Length: 874 Bit Score: 38.55 E-value: 8.65e-03
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