2yx8

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Crystal structure of the extracellular domain of human RAMP1Crystal structure of the extracellular domain of human RAMP1

Structural highlights

2yx8 is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
NonStd Res:
Gene:RAMP1 (HUMAN)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT, TOPSAN

Function

[RAMP1_HUMAN] Transports the calcitonin gene-related peptide type 1 receptor (CALCRL) to the plasma membrane. Acts as a receptor for calcitonin-gene-related peptide (CGRP) together with CALCRL.[1]

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Receptor activity-modifying protein (RAMP) 1 forms a heterodimer with calcitonin receptor-like receptor (CRLR) and regulates its transport to the cell surface. The CRLR.RAMP1 heterodimer functions as a specific receptor for calcitonin gene-related peptide (CGRP). Here, we report the crystal structure of the human RAMP1 extracellular domain. The RAMP1 structure is a three-helix bundle that is stabilized by three disulfide bonds. The RAMP1 residues important for cell-surface expression of the CRLR.RAMP1 heterodimer are clustered to form a hydrophobic patch on the molecular surface. The hydrophobic patch is located near the tryptophan residue essential for binding of the CGRP antagonist, BIBN4096BS. These results suggest that the hydrophobic patch participates in the interaction with CRLR and the formation of the ligand-binding pocket when it forms the CRLR.RAMP1 heterodimer.

Crystal structure of the human receptor activity-modifying protein 1 extracellular domain.,Kusano S, Kukimoto-Niino M, Akasaka R, Toyama M, Terada T, Shirouzu M, Shindo T, Yokoyama S Protein Sci. 2008 Nov;17(11):1907-14. Epub 2008 Aug 25. PMID:18725456[2]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. McLatchie LM, Fraser NJ, Main MJ, Wise A, Brown J, Thompson N, Solari R, Lee MG, Foord SM. RAMPs regulate the transport and ligand specificity of the calcitonin-receptor-like receptor. Nature. 1998 May 28;393(6683):333-9. PMID:9620797 doi:10.1038/30666
  2. Kusano S, Kukimoto-Niino M, Akasaka R, Toyama M, Terada T, Shirouzu M, Shindo T, Yokoyama S. Crystal structure of the human receptor activity-modifying protein 1 extracellular domain. Protein Sci. 2008 Nov;17(11):1907-14. Epub 2008 Aug 25. PMID:18725456 doi:10.1110/ps.036012.108

2yx8, resolution 2.40Å

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OCA