inositol 1,4,5-trisphosphate-gated calcium channel ITPR3 isoform X1 [Homo sapiens]
List of domain hits
Name | Accession | Description | Interval | E-value | |||||
beta-trefoil_MIR_ITPR3 | cd23289 | MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) ... |
164-378 | 4.60e-161 | |||||
MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) and similar proteins; ITPR3, also called IP3 receptor isoform 3 (IP3R 3), or InsP3R3, or type 3 inositol 1,4,5-trisphosphate receptor, or type 3 InsP3 receptor, acts as anti-oncogenic channel by propelling pro-apoptotic Ca2+ signals to mitochondria. It is the principal intracellular Ca2+ release channel in cholangiocytes and plays a particularly important role in cancer. ITPR3 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. : Pssm-ID: 467760 [Multi-domain] Cd Length: 215 Bit Score: 495.33 E-value: 4.60e-161
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RYDR_ITPR | pfam01365 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
414-609 | 6.05e-83 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. : Pssm-ID: 460175 Cd Length: 199 Bit Score: 270.99 E-value: 6.05e-83
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Ins145_P3_rec super family | cl48031 | Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding ... |
1-169 | 9.09e-67 | |||||
Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding region on inositol 1,4,5-trisphosphate receptor, and the N terminal region of the ryanodine receptor. Both receptors are involved in Ca2+ release. They can couple to the activation of neurotransmitter-gated receptors and voltage-gated Ca2+ channels on the plasma membrane, thus allowing the endoplasmic reticulum discriminate between different types of neuronal activity. The actual alignment was detected with superfamily member pfam08709: Pssm-ID: 462572 [Multi-domain] Cd Length: 212 Bit Score: 225.45 E-value: 9.09e-67
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RIH_assoc | pfam08454 | RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) ... |
1804-1913 | 1.96e-39 | |||||
RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) and inositol 1,4,5-trisphosphate receptors (IP3R) which together form a superfamily of homotetrameric ligand-gated intracellular Ca2+ channels. There seems to be no known function for this domain. Also see the IP3-binding domain pfam01365 and pfam02815. : Pssm-ID: 462482 Cd Length: 98 Bit Score: 142.28 E-value: 1.96e-39
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Ion_trans super family | cl37996 | Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ... |
2204-2467 | 6.24e-04 | |||||
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane. The actual alignment was detected with superfamily member pfam00520: Pssm-ID: 459842 [Multi-domain] Cd Length: 238 Bit Score: 43.79 E-value: 6.24e-04
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RYDR_ITPR super family | cl03182 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
1130-1242 | 9.72e-04 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. The actual alignment was detected with superfamily member pfam01365: Pssm-ID: 460175 Cd Length: 199 Bit Score: 42.96 E-value: 9.72e-04
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Name | Accession | Description | Interval | E-value | |||||
beta-trefoil_MIR_ITPR3 | cd23289 | MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) ... |
164-378 | 4.60e-161 | |||||
MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) and similar proteins; ITPR3, also called IP3 receptor isoform 3 (IP3R 3), or InsP3R3, or type 3 inositol 1,4,5-trisphosphate receptor, or type 3 InsP3 receptor, acts as anti-oncogenic channel by propelling pro-apoptotic Ca2+ signals to mitochondria. It is the principal intracellular Ca2+ release channel in cholangiocytes and plays a particularly important role in cancer. ITPR3 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467760 [Multi-domain] Cd Length: 215 Bit Score: 495.33 E-value: 4.60e-161
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RYDR_ITPR | pfam01365 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
414-609 | 6.05e-83 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. Pssm-ID: 460175 Cd Length: 199 Bit Score: 270.99 E-value: 6.05e-83
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MIR | pfam02815 | MIR domain; The MIR (protein mannosyltransferase, IP3R and RyR) domain is a domain that may ... |
173-371 | 1.12e-71 | |||||
MIR domain; The MIR (protein mannosyltransferase, IP3R and RyR) domain is a domain that may have a ligand transferase function. Pssm-ID: 397103 [Multi-domain] Cd Length: 185 Bit Score: 238.03 E-value: 1.12e-71
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Ins145_P3_rec | pfam08709 | Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding ... |
1-169 | 9.09e-67 | |||||
Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding region on inositol 1,4,5-trisphosphate receptor, and the N terminal region of the ryanodine receptor. Both receptors are involved in Ca2+ release. They can couple to the activation of neurotransmitter-gated receptors and voltage-gated Ca2+ channels on the plasma membrane, thus allowing the endoplasmic reticulum discriminate between different types of neuronal activity. Pssm-ID: 462572 [Multi-domain] Cd Length: 212 Bit Score: 225.45 E-value: 9.09e-67
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RIH_assoc | pfam08454 | RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) ... |
1804-1913 | 1.96e-39 | |||||
RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) and inositol 1,4,5-trisphosphate receptors (IP3R) which together form a superfamily of homotetrameric ligand-gated intracellular Ca2+ channels. There seems to be no known function for this domain. Also see the IP3-binding domain pfam01365 and pfam02815. Pssm-ID: 462482 Cd Length: 98 Bit Score: 142.28 E-value: 1.96e-39
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
52-106 | 1.84e-05 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 44.25 E-value: 1.84e-05
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
171-227 | 6.10e-05 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 42.71 E-value: 6.10e-05
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Ion_trans | pfam00520 | Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ... |
2204-2467 | 6.24e-04 | |||||
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane. Pssm-ID: 459842 [Multi-domain] Cd Length: 238 Bit Score: 43.79 E-value: 6.24e-04
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RYDR_ITPR | pfam01365 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
1130-1242 | 9.72e-04 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. Pssm-ID: 460175 Cd Length: 199 Bit Score: 42.96 E-value: 9.72e-04
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beta-trefoil_MIR_PMT | cd23276 | MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein ... |
55-123 | 6.00e-03 | |||||
MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein mannosyltransferase (PMT); The PMT (EC 2.4.1.109) family includes mammalian protein O-mannosyl-transferases (POMT1 and POMT2) and yeast PMT1-7. PMTs are responsible for O-linked glycosylation of proteins. They catalyze the transfer of mannose to seryl and threonyl residues of secretory proteins. Protein O-glycosylation is essential for cell wall rigidity and cell integrity. Members in this family contain a MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467747 [Multi-domain] Cd Length: 185 Bit Score: 40.39 E-value: 6.00e-03
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Name | Accession | Description | Interval | E-value | |||||
beta-trefoil_MIR_ITPR3 | cd23289 | MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) ... |
164-378 | 4.60e-161 | |||||
MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 3 (ITPR3) and similar proteins; ITPR3, also called IP3 receptor isoform 3 (IP3R 3), or InsP3R3, or type 3 inositol 1,4,5-trisphosphate receptor, or type 3 InsP3 receptor, acts as anti-oncogenic channel by propelling pro-apoptotic Ca2+ signals to mitochondria. It is the principal intracellular Ca2+ release channel in cholangiocytes and plays a particularly important role in cancer. ITPR3 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467760 [Multi-domain] Cd Length: 215 Bit Score: 495.33 E-value: 4.60e-161
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beta-trefoil_MIR_ITPR | cd23277 | MIR domain, beta-trefoil fold, found in the family of inositol 1,4,5-trisphosphate receptor ... |
164-378 | 1.78e-133 | |||||
MIR domain, beta-trefoil fold, found in the family of inositol 1,4,5-trisphosphate receptor (ITPR); Inositol 1,4,5 trisphosphate receptors (ITPRs) are a family of endoplasmic reticulum Ca2+ channels essential for the control of intracellular Ca2+ levels in virtually every mammalian cell type. Calcium-mediated signaling through ITPRs is essential for the regulation of numerous physiological processes, including fertilization, muscle contraction, apoptosis, secretion, and synaptic plasticity. The ITPR family includes three isoforms (ITPR1, ITPR2 and ITPR3), which can control different cellular processes due to their unique biophysical properties, subcellular localization, and tissue distribution. ITPRs contain an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467748 [Multi-domain] Cd Length: 204 Bit Score: 415.99 E-value: 1.78e-133
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beta-trefoil_MIR_ITPR2 | cd23288 | MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 2 (ITPR2) ... |
158-378 | 1.83e-127 | |||||
MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 2 (ITPR2) and similar proteins; ITPR2, also called IP3 receptor isoform 2 (IP3R 2), or InsP3R2, or type 2 inositol 1,4,5-trisphosphate receptor, or type 2 InsP3 receptor, is a key regulator for the activity of calcium ion transmembrane transportation, which plays a critical role in cell cycle and proliferation. It is a receptor for inositol 1,4,5-trisphosphate, a second messenger that mediates the release of intracellular calcium. This release is regulated by cAMP both dependently and independently of cAMP-dependent protein kinase (PKA). ITPR2 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467759 [Multi-domain] Cd Length: 222 Bit Score: 399.80 E-value: 1.83e-127
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beta-trefoil_MIR_ITPR1 | cd23287 | MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 1 (ITPR1) ... |
164-383 | 5.03e-113 | |||||
MIR domain, beta-trefoil fold, found in inositol 1,4,5-trisphosphate receptor type 1 (ITPR1) and similar proteins; ITPR1, also called IP3 receptor isoform 1 (IP3R 1), or InsP3R1, or type 1 inositol 1,4,5-trisphosphate receptor, or type 1 InsP3 receptor, is an intracellular channel that mediates calcium release from the endoplasmic reticulum following stimulation by inositol 1,4,5-trisphosphate. It is involved in the regulation of epithelial secretion of electrolytes and fluid through the interaction with AHCYL1. It plays a role in endoplasmic reticulum (ER) stress-induced apoptosis. ITPR1 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467758 [Multi-domain] Cd Length: 222 Bit Score: 358.23 E-value: 5.03e-113
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RYDR_ITPR | pfam01365 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
414-609 | 6.05e-83 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. Pssm-ID: 460175 Cd Length: 199 Bit Score: 270.99 E-value: 6.05e-83
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MIR | pfam02815 | MIR domain; The MIR (protein mannosyltransferase, IP3R and RyR) domain is a domain that may ... |
173-371 | 1.12e-71 | |||||
MIR domain; The MIR (protein mannosyltransferase, IP3R and RyR) domain is a domain that may have a ligand transferase function. Pssm-ID: 397103 [Multi-domain] Cd Length: 185 Bit Score: 238.03 E-value: 1.12e-71
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Ins145_P3_rec | pfam08709 | Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding ... |
1-169 | 9.09e-67 | |||||
Inositol 1,4,5-trisphosphate/ryanodine receptor; This domain corresponds to the ligand binding region on inositol 1,4,5-trisphosphate receptor, and the N terminal region of the ryanodine receptor. Both receptors are involved in Ca2+ release. They can couple to the activation of neurotransmitter-gated receptors and voltage-gated Ca2+ channels on the plasma membrane, thus allowing the endoplasmic reticulum discriminate between different types of neuronal activity. Pssm-ID: 462572 [Multi-domain] Cd Length: 212 Bit Score: 225.45 E-value: 9.09e-67
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RIH_assoc | pfam08454 | RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) ... |
1804-1913 | 1.96e-39 | |||||
RyR and IP3R Homology associated; This eukaryotic domain is found in ryanodine receptors (RyR) and inositol 1,4,5-trisphosphate receptors (IP3R) which together form a superfamily of homotetrameric ligand-gated intracellular Ca2+ channels. There seems to be no known function for this domain. Also see the IP3-binding domain pfam01365 and pfam02815. Pssm-ID: 462482 Cd Length: 98 Bit Score: 142.28 E-value: 1.96e-39
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beta-trefoil_MIR_itr-1-like | cd23280 | MIR domain, beta-trefoil fold, found in Caenorhabditis elegans inositol 1,4,5-trisphosphate ... |
168-374 | 1.11e-29 | |||||
MIR domain, beta-trefoil fold, found in Caenorhabditis elegans inositol 1,4,5-trisphosphate receptor Itr-1 and similar proteins; Itr-1, also called IP3 receptor, or IP3R, or InsP3R, or LET-23 fertility effector 1, is a receptor for inositol 1,4,5-trisphosphate, a second messenger that regulates intracellular calcium homeostasis. It binds in vitro to both inositol 1,4,5-trisphosphate (1,4,5-InsP3) and inositol 2,4,5-trisphosphate (2,4,5-InsP3) with high affinity. It can also bind inositol 1,3,4,5-tetrakisphosphate (1,3,4,5-InsP4) and inositol 4,5-bisphosphate (4,5-InsP2), but with lower affinity. Itr-1 acts as a timekeeper/rhythm generator via calcium signaling, affecting the defecation cycle and pharyngeal pumping. It affects normal hermaphrodite and male fertility as a participant in intracellular signaling by acting downstream of let-23/lin-3 which regulates ovulation, spermathecal valve dilation and male mating behavior. It plays an important role in early embryonic development. It controls epidermal cell migration and may also regulate filopodial protrusive activity during epithelial morphogenesis. Itr-1 functions as a component of inositol trisphosphate (IP3)-mediated downstream signaling pathways that controls amphid sensory neuronal (ASH)-mediated response to nose touch and benzaldehyde, but no other ASH-mediated responses. Itr-1 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467751 [Multi-domain] Cd Length: 199 Bit Score: 118.26 E-value: 1.11e-29
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beta-trefoil_MIR | cd23263 | MIR domain, beta-trefoil fold, found in the MIR (protein mannosyltransferase, IP3R and RyR) ... |
177-349 | 5.31e-26 | |||||
MIR domain, beta-trefoil fold, found in the MIR (protein mannosyltransferase, IP3R and RyR) superfamily; The MIR superfamily includes dolichyl-phosphate-mannose-protein mannosyltransferases (PMTs), inositol 1,4,5-trisphosphate receptors (ITPRs/IP3R), ryanodine receptors (RyRs), and stromal cell-derived factor 2 (SDF-2)-like proteins. They all contain a MIR domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. The MIR domain may have a ligand transferase function. Pssm-ID: 467746 [Multi-domain] Cd Length: 172 Bit Score: 106.70 E-value: 5.31e-26
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
52-106 | 1.84e-05 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 44.25 E-value: 1.84e-05
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
171-227 | 6.10e-05 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 42.71 E-value: 6.10e-05
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beta-trefoil_MIR_RyR | cd23278 | MIR domain, beta-trefoil fold, found in the family of ryanodine receptor (RyR); RyRs (also ... |
176-259 | 6.42e-05 | |||||
MIR domain, beta-trefoil fold, found in the family of ryanodine receptor (RyR); RyRs (also called RYRs) are intracellular Ca(2+) release channels located on the sarco/endoplasmic reticulum (SR/ER). They release calcium Ca(2+) intracellular stores to activate critical functions including muscle contraction and neurotransmitter release. The family includes three closely homologous proteins, RyR1, RyR2 and RyR3. RyR1 is present in skeletal muscle; RyR2 is in heart muscle; and RyR3 is expressed at low levels in many tissues including brain, smooth muscle, and slow-twitch skeletal muscle. RYR2 is the major cellular mediator of calcium-induced calcium release (CICR) in animal cells. RyR1 and RyR2 release Ca2+ from the ER in response to excitation of muscle membranes to promote muscle contraction. RYR3 is involved in force production and calcium handling in extraocular muscle. RYRs contain an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467749 [Multi-domain] Cd Length: 180 Bit Score: 46.15 E-value: 6.42e-05
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beta-trefoil_MIR_PMT | cd23276 | MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein ... |
155-254 | 6.91e-05 | |||||
MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein mannosyltransferase (PMT); The PMT (EC 2.4.1.109) family includes mammalian protein O-mannosyl-transferases (POMT1 and POMT2) and yeast PMT1-7. PMTs are responsible for O-linked glycosylation of proteins. They catalyze the transfer of mannose to seryl and threonyl residues of secretory proteins. Protein O-glycosylation is essential for cell wall rigidity and cell integrity. Members in this family contain a MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467747 [Multi-domain] Cd Length: 185 Bit Score: 46.17 E-value: 6.91e-05
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beta-trefoil_MIR_RyR1 | cd23290 | MIR domain, beta-trefoil fold, found in ryanodine receptor 1 (RyR1) and similar proteins; RyR1, ... |
171-258 | 8.97e-05 | |||||
MIR domain, beta-trefoil fold, found in ryanodine receptor 1 (RyR1) and similar proteins; RyR1, also called RYR-1, or skeletal muscle calcium release channel, or skeletal muscle ryanodine receptor, or skeletal muscle-type ryanodine receptor, or type 1 ryanodine receptor, is a calcium channel that mediates the release of Ca(2+) from the sarcoplasmic reticulum into the cytoplasm and thereby plays a key role in triggering muscle contraction following depolarization of T-tubules. It can also mediate the release of Ca(2+) from intracellular stores in neurons, and may thereby promote prolonged Ca(2+) signaling in the brain. It is required for normal embryonic development of muscle fibers and skeletal muscle, as well as for normal heart morphogenesis, skin development and ossification during embryogenesis. RYR-1 forms homotetramer and can also form heterotetramers with RYR-2. RYR-1 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467761 [Multi-domain] Cd Length: 192 Bit Score: 46.03 E-value: 8.97e-05
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
234-287 | 1.20e-04 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 41.94 E-value: 1.20e-04
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beta-trefoil_MIR_RyR3 | cd23292 | MIR domain, beta-trefoil fold, found in ryanodine receptor 3 (RyR3) and similar proteins; RyR3, ... |
174-259 | 2.10e-04 | |||||
MIR domain, beta-trefoil fold, found in ryanodine receptor 3 (RyR3) and similar proteins; RyR3, also called RYR-3, or brain ryanodine receptor-calcium release channel, or brain-type ryanodine receptor, or type 3 ryanodine receptor, is a calcium channel that plays a role in cellular calcium signaling. It mediates the release of Ca(2+) from the sarcoplasmic reticulum into the cytoplasm in muscle and thereby plays a role in triggering muscle contraction. It also mediates Ca(2+)-induced Ca(2+) release from the endoplasmic reticulum in non-muscle cells. RYR-3 forms homotetramer and also forms heterotetramer with RYR-2. RYR-3 contains an N-terminal MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467763 [Multi-domain] Cd Length: 187 Bit Score: 44.52 E-value: 2.10e-04
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MIR | smart00472 | Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; |
113-163 | 3.69e-04 | |||||
Domain in ryanodine and inositol trisphosphate receptors and protein O-mannosyltransferases; Pssm-ID: 197746 [Multi-domain] Cd Length: 57 Bit Score: 40.40 E-value: 3.69e-04
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Ion_trans | pfam00520 | Ion transport protein; This family contains sodium, potassium and calcium ion channels. This ... |
2204-2467 | 6.24e-04 | |||||
Ion transport protein; This family contains sodium, potassium and calcium ion channels. This family is 6 transmembrane helices in which the last two helices flank a loop which determines ion selectivity. In some sub-families (e.g. Na channels) the domain is repeated four times, whereas in others (e.g. K channels) the protein forms as a tetramer in the membrane. Pssm-ID: 459842 [Multi-domain] Cd Length: 238 Bit Score: 43.79 E-value: 6.24e-04
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RYDR_ITPR | pfam01365 | RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types ... |
1130-1242 | 9.72e-04 | |||||
RIH domain; The RIH (RyR and IP3R Homology) domain is an extracellular domain from two types of calcium channels. This region is found in the ryanodine receptor and the inositol-1,4,5- trisphosphate receptor. This domain may form a binding site for IP3. Pssm-ID: 460175 Cd Length: 199 Bit Score: 42.96 E-value: 9.72e-04
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beta-trefoil_MIR_PMT | cd23276 | MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein ... |
55-123 | 6.00e-03 | |||||
MIR domain, beta-trefoil fold, found in the family of dolichyl-phosphate-mannose-protein mannosyltransferase (PMT); The PMT (EC 2.4.1.109) family includes mammalian protein O-mannosyl-transferases (POMT1 and POMT2) and yeast PMT1-7. PMTs are responsible for O-linked glycosylation of proteins. They catalyze the transfer of mannose to seryl and threonyl residues of secretory proteins. Protein O-glycosylation is essential for cell wall rigidity and cell integrity. Members in this family contain a MIR (protein mannosyltransferase, IP3R and RyR) domain with beta-trefoil fold, which is characterized by 12 beta strands folded into three similar trefoil subdomains (alpha, beta, and gamma) associated to give an overall structure with pseudo-3-fold symmetry. Pssm-ID: 467747 [Multi-domain] Cd Length: 185 Bit Score: 40.39 E-value: 6.00e-03
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