3n7r

X-ray diffraction
2.9Å resolution

Crystal structure of the ectodomain complex of the CGRP receptor, a Class-B GPCR, reveals the site of drug antagonism

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-130163 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Calcitonin gene-related peptide type 1 receptor Chains: A, B
Molecule details ›
Chains: A, B
Length: 115 amino acids
Theoretical weight: 13.43 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q16602 (Residues: 23-133; Coverage: 25%)
Gene names: CALCRL, CGRPR
Sequence domains: Hormone receptor domain
Structure domains: GPCR, family 2, extracellular hormone receptor domain
Receptor activity-modifying protein 1 Chains: C, D
Molecule details ›
Chains: C, D
Length: 96 amino acids
Theoretical weight: 11 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O60894 (Residues: 26-117; Coverage: 75%)
Gene name: RAMP1
Sequence domains: Receptor activity modifying family
Structure domains: Receptor activity modifying family

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.3
Spacegroup: C2221
Unit cell:
a: 77.94Å b: 118.2Å c: 133.26Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.234 0.232 0.267
Expression system: Escherichia coli