methionine-R-sulfoxide reductase B2, mitochondrial isoform X1 [Mus musculus]
Protein Classification
peptide-methionine (R)-S-oxide reductase( domain architecture ID 81886)
peptide-methionine (R)-S-oxide reductase catalyzes the reduction of methionine sulfoxide (MetSO) to methionine in proteins
List of domain hits
| Name | Accession | Description | Interval | E-value | ||
| SelR super family | cl15841 | SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate ... |
120-150 | 1.34e-09 | ||
SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate biological processes and cope with oxidative stress. MsrA, a protein involved in the reduction of methionine sulfoxides in proteins, has been known for four decades and has been extensively characterized with respect to structure and function. However, recent studies revealed that MsrA is only specific for methionine-S-sulfoxides. Because oxidized methionines occur in a mixture of R and S isomers in vivo, it was unclear how stereo-specific MsrA could be responsible for the reduction of all protein methionine sulfoxides. It appears that a second methionine sulfoxide reductase, SelR, evolved that is specific for methionine-R-sulfoxides, the activity that is different but complementary to that of MsrA. Thus, these proteins, working together, could reduce both stereoisomers of methionine sulfoxide. This domain is found both in SelR proteins and fused with the peptide methionine sulfoxide reductase enzymatic domain pfam01625. The domain has two conserved cysteine and histidines. The domain binds both selenium and zinc. The final cysteine is found to be replaced by the rare amino acid selenocysteine in some members of the family. This family has methionine-R-sulfoxide reductase activity. The actual alignment was detected with superfamily member COG0229: Pssm-ID: 472838 Cd Length: 133 Bit Score: 53.16 E-value: 1.34e-09
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| Name | Accession | Description | Interval | E-value | ||
| MsrB | COG0229 | Peptide methionine sulfoxide reductase MsrB [Posttranslational modification, protein turnover, ... |
120-150 | 1.34e-09 | ||
Peptide methionine sulfoxide reductase MsrB [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 439999 Cd Length: 133 Bit Score: 53.16 E-value: 1.34e-09
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| SelR | pfam01641 | SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate ... |
127-150 | 3.92e-08 | ||
SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate biological processes and cope with oxidative stress. MsrA, a protein involved in the reduction of methionine sulfoxides in proteins, has been known for four decades and has been extensively characterized with respect to structure and function. However, recent studies revealed that MsrA is only specific for methionine-S-sulfoxides. Because oxidized methionines occur in a mixture of R and S isomers in vivo, it was unclear how stereo-specific MsrA could be responsible for the reduction of all protein methionine sulfoxides. It appears that a second methionine sulfoxide reductase, SelR, evolved that is specific for methionine-R-sulfoxides, the activity that is different but complementary to that of MsrA. Thus, these proteins, working together, could reduce both stereoisomers of methionine sulfoxide. This domain is found both in SelR proteins and fused with the peptide methionine sulfoxide reductase enzymatic domain pfam01625. The domain has two conserved cysteine and histidines. The domain binds both selenium and zinc. The final cysteine is found to be replaced by the rare amino acid selenocysteine in some members of the family. This family has methionine-R-sulfoxide reductase activity. Pssm-ID: 460278 Cd Length: 120 Bit Score: 48.89 E-value: 3.92e-08
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| Name | Accession | Description | Interval | E-value | ||
| MsrB | COG0229 | Peptide methionine sulfoxide reductase MsrB [Posttranslational modification, protein turnover, ... |
120-150 | 1.34e-09 | ||
Peptide methionine sulfoxide reductase MsrB [Posttranslational modification, protein turnover, chaperones]; Pssm-ID: 439999 Cd Length: 133 Bit Score: 53.16 E-value: 1.34e-09
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| SelR | pfam01641 | SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate ... |
127-150 | 3.92e-08 | ||
SelR domain; Methionine sulfoxide reduction is an important process, by which cells regulate biological processes and cope with oxidative stress. MsrA, a protein involved in the reduction of methionine sulfoxides in proteins, has been known for four decades and has been extensively characterized with respect to structure and function. However, recent studies revealed that MsrA is only specific for methionine-S-sulfoxides. Because oxidized methionines occur in a mixture of R and S isomers in vivo, it was unclear how stereo-specific MsrA could be responsible for the reduction of all protein methionine sulfoxides. It appears that a second methionine sulfoxide reductase, SelR, evolved that is specific for methionine-R-sulfoxides, the activity that is different but complementary to that of MsrA. Thus, these proteins, working together, could reduce both stereoisomers of methionine sulfoxide. This domain is found both in SelR proteins and fused with the peptide methionine sulfoxide reductase enzymatic domain pfam01625. The domain has two conserved cysteine and histidines. The domain binds both selenium and zinc. The final cysteine is found to be replaced by the rare amino acid selenocysteine in some members of the family. This family has methionine-R-sulfoxide reductase activity. Pssm-ID: 460278 Cd Length: 120 Bit Score: 48.89 E-value: 3.92e-08
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