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ACVR1B
Available structures PDB Ortholog search: PDBe RCSB List of PDB id codes 3H9R, 3MTF, 3OOM, 3Q4U, 4BGG, 4C02, 4DYM
Identifiers
Aliases	ACVR1B, ACTRIB, ACVRLK4, ALK4, SKR2, activin A receptor type 1B
External IDs	OMIM: 601300; MGI: 1338944; HomoloGene: 20906; GeneCards: ACVR1B; OMA:ACVR1B - orthologs
Gene location (Human) Chr. Chromosome 12 (human) Band 12q13.13 Start 51,951,699 bp End 51,997,078 bp
Gene location (Mouse) Chr. Chromosome 15 (mouse) Band 15 F1|15 56.48 cM Start 101,071,948 bp End 101,111,565 bp
RNA expression pattern Bgee Human Mouse (ortholog) Top expressed in secondary oocyte middle temporal gyrus pancreatic ductal cell renal medulla Brodmann area 23 beta cell lateral nuclear group of thalamus parotid gland kidney tubule Brodmann area 10 Top expressed in transitional epithelium of urinary bladder epithelium of stomach hair follicle skin of external ear olfactory tubercle prefrontal cortex Paneth cell nucleus accumbens ventromedial nucleus Rostral migratory stream More reference expression data BioGPS n/a
Gene ontology Molecular function transferase activity nucleotide binding protein kinase activity growth factor binding activin binding metal ion binding kinase activity transmembrane receptor protein serine/threonine kinase activity inhibin binding protein binding activin-activated receptor activity ATP binding ubiquitin protein ligase binding protein serine/threonine kinase activity activin receptor activity, type I SMAD binding transforming growth factor beta-activated receptor activity transforming growth factor beta receptor activity, type I Cellular component integral component of membrane membrane receptor complex plasma membrane integral component of plasma membrane activin receptor complex cell surface cytosol Biological process hair follicle development regulation of transcription, DNA-templated positive regulation of erythrocyte differentiation extrinsic apoptotic signaling pathway phosphorylation positive regulation of pathway-restricted SMAD protein phosphorylation in utero embryonic development negative regulation of gene expression nodal signaling pathway positive regulation of trophoblast cell migration protein phosphorylation central nervous system development development of primary female sexual characteristics positive regulation of gene expression transmembrane receptor protein serine/threonine kinase signaling pathway positive regulation of activin receptor signaling pathway regulation of signal transduction negative regulation of cell growth protein autophosphorylation peptidyl-threonine phosphorylation signal transduction positive regulation of transcription by RNA polymerase II activin receptor signaling pathway G1/S transition of mitotic cell cycle transforming growth factor beta receptor signaling pathway pattern specification process Sources:Amigo / QuickGO
Orthologs Species Human Mouse Entrez 91 11479 Ensembl ENSG00000135503 ENSMUSG00000000532 UniProt P36896 Q61271 RefSeq (mRNA) NM_004302 NM_020327 NM_020328 NM_007395 RefSeq (protein) NP_004293 NP_064732 NP_064733 NP_031421 Location (UCSC) Chr 12: 51.95 – 52 Mb Chr 15: 101.07 – 101.11 Mb PubMed search
Wikidata
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Activin receptor type-1B is a protein that in humans is encoded by the ACVR1B gene.

ACVR1B or ALK-4 acts as a transducer of activin or activin-like ligands (e.g., inhibin) signals. Activin binds to either ACVR2A or ACVR2B and then forms a complex with ACVR1B. These go on to recruit the R-SMADs SMAD2 or SMAD3. ACVR1B also transduces signals of nodal, GDF-1, and Vg1; however, unlike activin, they require other coreceptor molecules such as the protein Cripto.

Function

Activins are dimeric growth and differentiation factors which belong to the transforming growth factor-beta (TGF-beta) superfamily of structurally related signaling proteins. Activins signal through a heteromeric complex of receptor serine kinases which include at least two type I (I and IB) and two type II (II and IIB) receptors. These receptors are all transmembrane proteins, composed of a ligand-binding extracellular domain with a cysteine-rich region, a transmembrane domain, and a cytoplasmic domain with predicted serine/threonine specificity. Type I receptors are essential for signaling, and type II receptors are required for binding ligands and expression of type I receptors. Type I and II receptors form a stable complex after ligand binding, resulting in phosphorylation of type I receptors by type II receptors. This gene encodes activin A type IB receptor, composed of 11 exons. Alternative splicing and alternative polyadenylation result in 3 fully described transcript variants. The mRNA expression of variants 1, 2, and 3 is confirmed, and a potential fourth variant contains an alternative exon 8 and lacks exons 9 through 11, but its mRNA expression has not been confirmed.

Interactions

ACVR1B has been shown to interact with

• ACVR2A, and ACVR2B

References

1. ^ GRCh38: Ensembl release 89: ENSG00000135503 – Ensembl, May 2017
2. ^ GRCm38: Ensembl release 89: ENSMUSG00000000532 – Ensembl, May 2017
3. "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
4. "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
5. ten Dijke P, Ichijo H, Franzén P, Schulz P, Saras J, Toyoshima H, Heldin CH, Miyazono K (October 1993). "Activin receptor-like kinases: a novel subclass of cell-surface receptors with predicted serine/threonine kinase activity". Oncogene. 8 (10): 2879–87. PMID 8397373.
6. ^ "Entrez Gene: ACVR1B activin A receptor, type IB".
7. Inman GJ, Nicolás FJ, Callahan JF, Harling JD, Gaster LM, Reith AD, Laping NJ, Hill CS (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. doi:10.1124/mol.62.1.65. PMID 12065756. S2CID 15185199.
8. Harrison CA, Gray PC, Koerber SC, Fischer W, Vale W (2003). "Identification of a functional binding site for activin on the type I receptor ALK4". J. Biol. Chem. 278 (23): 21129–35. doi:10.1074/jbc.M302015200. PMID 12665502.
9. ^ De Winter JP, De Vries CJ, Van Achterberg TA, Ameerun RF, Feijen A, Sugino H, De Waele P, Huylebroeck D, Verschueren K, Van Den Eijden-Van Raaij AJ (May 1996). "Truncated activin type II receptors inhibit bioactivity by the formation of heteromeric complexes with activin type I. receptors". Exp. Cell Res. 224 (2): 323–34. doi:10.1006/excr.1996.0142. PMID 8612709.
10. Lebrun JJ, Takabe K, Chen Y, Vale W (January 1999). "Roles of pathway-specific and inhibitory Smads in activin receptor signaling". Mol. Endocrinol. 13 (1): 15–23. doi:10.1210/mend.13.1.0218. PMID 9892009. S2CID 26825706.
11. Attisano L, Wrana JL, Montalvo E, Massagué J (March 1996). "Activation of signalling by the activin receptor complex". Mol. Cell. Biol. 16 (3): 1066–73. doi:10.1128/MCB.16.3.1066. PMC 231089. PMID 8622651.

External links

• Human ACVR1B genome location and ACVR1B gene details page in the UCSC Genome Browser.

Further reading

• Welt CK (2002). "The physiology and pathophysiology of inhibin, activin and follistatin in female reproduction". Curr. Opin. Obstet. Gynecol. 14 (3): 317–23. doi:10.1097/00001703-200206000-00012. PMID 12032389. S2CID 44327401.
• Liu F, Ventura F, Doody J, Massagué J (1995). "Human type II receptor for bone morphogenic proteins (BMPs): extension of the two-kinase receptor model to the BMPs". Mol. Cell. Biol. 15 (7): 3479–86. doi:10.1128/mcb.15.7.3479. PMC 230584. PMID 7791754.
• Xu J, Matsuzaki K, McKeehan K, Wang F, Kan M, McKeehan WL (1994). "Genomic structure and cloned cDNAs predict that four variants in the kinase domain of serine/threonine kinase receptors arise by alternative splicing and poly(A) addition". Proc. Natl. Acad. Sci. U.S.A. 91 (17): 7957–61. Bibcode:1994PNAS...91.7957X. doi:10.1073/pnas.91.17.7957. PMC 44523. PMID 8058741.
• Cárcamo J, Weis FM, Ventura F, Wieser R, Wrana JL, Attisano L, Massagué J (1994). "Type I receptors specify growth-inhibitory and transcriptional responses to transforming growth factor beta and activin". Mol. Cell. Biol. 14 (6): 3810–21. doi:10.1128/MCB.14.6.3810. PMC 358748. PMID 8196624.
• De Winter JP, De Vries CJ, Van Achterberg TA, Ameerun RF, Feijen A, Sugino H, De Waele P, Huylebroeck D, Verschueren K, Van Den Eijden-Van Raaij AJ (1996). "Truncated activin type II receptors inhibit bioactivity by the formation of heteromeric complexes with activin type I. receptors". Exp. Cell Res. 224 (2): 323–34. doi:10.1006/excr.1996.0142. PMID 8612709.
• Attisano L, Wrana JL, Montalvo E, Massagué J (1996). "Activation of signalling by the activin receptor complex". Mol. Cell. Biol. 16 (3): 1066–73. doi:10.1128/MCB.16.3.1066. PMC 231089. PMID 8622651.
• Lebrun JJ, Vale WW (1997). "Activin and inhibin have antagonistic effects on ligand-dependent heteromerization of the type I and type II activin receptors and human erythroid differentiation". Mol. Cell. Biol. 17 (3): 1682–91. doi:10.1128/MCB.17.3.1682. PMC 231893. PMID 9032295.
• Röijer E, Miyazono K, Aström AK, Geurts van Kessel A, ten Dijke P, Stenman G (1998). "Chromosomal localization of three human genes encoding members of the TGF-beta superfamily of type I serine/threonine kinase receptors". Mamm. Genome. 9 (3): 266–8. doi:10.1007/s003359900745. PMID 9501322. S2CID 21839781.
• Souchelnytskyi S, Nakayama T, Nakao A, Morén A, Heldin CH, Christian JL, ten Dijke P (1998). "Physical and functional interaction of murine and Xenopus Smad7 with bone morphogenetic protein receptors and transforming growth factor-beta receptors". J. Biol. Chem. 273 (39): 25364–70. doi:10.1074/jbc.273.39.25364. PMID 9738003.
• Hashimoto O, Yamato K, Koseki T, Ohguchi M, Ishisaki A, Shoji H, Nakamura T, Hayashi Y, Sugino H, Nishihara T (1998). "The role of activin type I receptors in activin A-induced growth arrest and apoptosis in mouse B-cell hybridoma cells". Cell. Signal. 10 (10): 743–9. doi:10.1016/S0898-6568(98)00021-7. PMID 9884026.
• Lebrun JJ, Takabe K, Chen Y, Vale W (1999). "Roles of pathway-specific and inhibitory Smads in activin receptor signaling". Mol. Endocrinol. 13 (1): 15–23. doi:10.1210/mend.13.1.0218. PMID 9892009. S2CID 26825706.
• Gray PC, Greenwald J, Blount AL, Kunitake KS, Donaldson CJ, Choe S, Vale W (2000). "Identification of a binding site on the type II activin receptor for activin and inhibin". J. Biol. Chem. 275 (5): 3206–12. doi:10.1074/jbc.275.5.3206. PMID 10652306.
• Zhou Y, Sun H, Danila DC, Johnson SR, Sigai DP, Zhang X, Klibanski A (2000). "Truncated activin type I receptor Alk4 isoforms are dominant negative receptors inhibiting activin signaling". Mol. Endocrinol. 14 (12): 2066–75. doi:10.1210/mend.14.12.0570. PMID 11117535.
• Su GH, Bansal R, Murphy KM, Montgomery E, Yeo CJ, Hruban RH, Kern SE (2001). "ACVR1B (ALK4, activin receptor type 1B) gene mutations in pancreatic carcinoma". Proc. Natl. Acad. Sci. U.S.A. 98 (6): 3254–7. Bibcode:2001PNAS...98.3254S. doi:10.1073/pnas.051484398. PMC 30640. PMID 11248065.
• Chapman SC, Woodruff TK (2001). "Modulation of activin signal transduction by inhibin B and inhibin-binding protein (INhBP)". Mol. Endocrinol. 15 (4): 668–79. doi:10.1210/mend.15.4.0616. PMID 11266516.
• Wurthner JU, Frank DB, Felici A, Green HM, Cao Z, Schneider MD, McNally JG, Lechleider RJ, Roberts AB (2001). "Transforming growth factor-beta receptor-associated protein 1 is a Smad4 chaperone". J. Biol. Chem. 276 (22): 19495–502. doi:10.1074/jbc.M006473200. PMID 11278302.
• Parks WT, Frank DB, Huff C, Renfrew Haft C, Martin J, Meng X, de Caestecker MP, McNally JG, Reddi A, Taylor SI, Roberts AB, Wang T, Lechleider RJ (2001). "Sorting nexin 6, a novel SNX, interacts with the transforming growth factor-beta family of receptor serine-threonine kinases". J. Biol. Chem. 276 (22): 19332–9. doi:10.1074/jbc.M100606200. PMID 11279102.
• Birkey Reffey S, Wurthner JU, Parks WT, Roberts AB, Duckett CS (2001). "X-linked inhibitor of apoptosis protein functions as a cofactor in transforming growth factor-beta signaling". J. Biol. Chem. 276 (28): 26542–9. doi:10.1074/jbc.M100331200. PMID 11356828.
• Bianco C, Adkins HB, Wechselberger C, Seno M, Normanno N, De Luca A, Sun Y, Khan N, Kenney N, Ebert A, Williams KP, Sanicola M, Salomon DS (2002). "Cripto-1 activates nodal- and ALK4-dependent and -independent signaling pathways in mammary epithelial Cells". Mol. Cell. Biol. 22 (8): 2586–97. doi:10.1128/MCB.22.8.2586-2597.2002. PMC 133714. PMID 11909953.

• Biology

• Genes on human chromosome 12
• GS domain
• TS domain
• S/T domain
• Human proteins
• EC 2.7.11