4ui1: Difference between revisions
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== Function == | == Function == | ||
[[http://www.uniprot.org/uniprot/BMP2_HUMAN BMP2_HUMAN]] Induces cartilage and bone formation. [[http://www.uniprot.org/uniprot/RGMC_HUMAN RGMC_HUMAN]] Acts as a bone morphogenetic protein (BMP) coreceptor. Through enhancement of BMP signaling regulates hepcidin (HAMP) expression and regulates iron homeostasis.[UniProtKB:Q7TQ32] | [[http://www.uniprot.org/uniprot/BMP2_HUMAN BMP2_HUMAN]] Induces cartilage and bone formation. [[http://www.uniprot.org/uniprot/RGMC_HUMAN RGMC_HUMAN]] Acts as a bone morphogenetic protein (BMP) coreceptor. Through enhancement of BMP signaling regulates hepcidin (HAMP) expression and regulates iron homeostasis.[UniProtKB:Q7TQ32] | ||
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== Publication Abstract from PubMed == | |||
Repulsive guidance molecules (RGMs) control crucial processes including cell motility, adhesion, immune-cell regulation and systemic iron metabolism. RGMs signal via the neogenin (NEO1) and the bone morphogenetic protein (BMP) pathways. Here, we report crystal structures of the N-terminal domains of all human RGM family members in complex with the BMP ligand BMP2, revealing a new protein fold and a conserved BMP-binding mode. Our structural and functional data suggest a pH-linked mechanism for RGM-activated BMP signaling and offer a rationale for RGM mutations causing juvenile hemochromatosis. We also determined the crystal structure of the ternary BMP2-RGM-NEO1 complex, which, along with solution scattering and live-cell super-resolution fluorescence microscopy, indicates BMP-induced clustering of the RGM-NEO1 complex. Our results show how RGM acts as the central hub that links BMP and NEO1 and physically connects these fundamental signaling pathways. | |||
Repulsive guidance molecule is a structural bridge between neogenin and bone morphogenetic protein.,Healey EG, Bishop B, Elegheert J, Bell CH, Padilla-Parra S, Siebold C Nat Struct Mol Biol. 2015 May 4. doi: 10.1038/nsmb.3016. PMID:25938661<ref>PMID:25938661</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
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== References == | |||
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</StructureSection> | </StructureSection> | ||