Activin receptor type-1
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Other names: | Activin receptor type I, ACTR-I, Serine/threonine-protein kinase, receptor R1, SKR1, Activin receptor-like kinase 2, ALK-2, TGF-B superfamily receptor type I, TSR-I
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Genetic data
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Gene code: | HUGO code:ACVR1
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Protein Structure/Function
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Protein type: | Serine/Threonine receptor kinase
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Domains: | GS domain, TS domain, S/T domain
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Other
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Taxa expressing: | Homo sapiens; homologs: many metazoan phyla
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Cell types: | ubiquitous
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Subcellular localization: | Plasma membrane
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Enzymatic Data
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Catalytic activity: | ATP + (receptor-protein) = ADP + (receptor-protein) phosphate
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Cofactor(s): | Magnesium or manganese
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Medical/Biotechnological data
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Diseases: | Fibrodysplasia ossificans progressiva (FOP) Online 'Mendelian Inheritance in Man' (OMIM) 135100
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ACVR1 or ALK-2 transduces signals of BMPs. BMPs bind either ACVR2A/ACVR2B or a BMPR2 and then form a complex with ACVR1. These go on to recruit the R-SMADs SMAD1, SMAD2, SMAD3 or SMAD6[1]
Additional recommended knowledge
It is associated with fibrodysplasia ossificans progressiva.[2]
References
- ^ Inman GJ, Nicolás FJ, Callahan JF, et al (2002). "SB-431542 is a potent and specific inhibitor of transforming growth factor-beta superfamily type I activin receptor-like kinase (ALK) receptors ALK4, ALK5, and ALK7". Mol. Pharmacol. 62 (1): 65–74. PMID 12065756.
- ^ Shore EM, Xu M, Feldman GJ, et al (2006). "A recurrent mutation in the BMP type I receptor ACVR1 causes inherited and sporadic fibrodysplasia ossificans progressiva". Nat. Genet. 38 (5): 525–7. doi:10.1038/ng1783. PMID 16642017.
Cell signaling: TGF beta signaling pathway |
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TGF beta superfamily of ligands | TGF beta family (TGF-β1, TGF-β2, TGF-β3) Bone morphogenetic proteins (BMP2, BMP3, BMP4, BMP5, BMP6, BMP7, BMP8a, BMP8b, BMP10 , BMP15) Growth differentiation factors (GDF1, GDF2, GDF3, GDF5, GDF6, GDF7, Myostatin/GDF8, GDF9, GDF10, GDF11, GDF15) Other (Activin A and B/Inhibin A and B, Anti-müllerian hormone, Nodal) |
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TGF beta receptors | TGFBR1: Activin type 1 receptors (ACVR1, ACVR1B, ACVR1C) - ACVRL1 - BMPR1 (BMPR1A - BMPR1B) TGFBR2: Activin type 2 receptors (ACVR2A, ACVR2B) - AMHR2 - BMPR2 TGFBR3: betaglycan |
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Transducers/SMAD | R-SMAD (SMAD1, SMAD2, SMAD3, SMAD5, SMAD9) - I-SMAD (SMAD6, SMAD7) - SMAD4 |
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Ligand Inhibitors | Cerberus - Chordin - DAN - Decorin - Follistatin - Gremlin - Lefty - LTBP1 - Noggin - THBS1 |
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Coreceptors | BAMBI - Cripto |
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Other | SARA |
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