X-ray diffraction
2.04Å resolution

Crystal structure of the human CEACAM1 membrane distal amino terminal (N)-domain

Source organism: Homo sapiens
Entry authors: Huang YH, Gandhi AK, Russell A, Kondo Y, Chen Q, Petsko GA, Blumberg RS

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Carcinoembryonic antigen-related cell adhesion molecule 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 107 amino acids
Theoretical weight: 11.9 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
  • Canonical: P13688 (Residues: 35-141; Coverage: 22%)
Gene names: BGP, BGP1, CEACAM1
Sequence domains: Immunoglobulin V-set domain
Structure domains: Immunoglobulins

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X6A
Spacegroup: P4212
Unit cell:
a: 107.16Å b: 107.16Å c: 61.61Å
α: 90° β: 90° γ: 90°
R R work R free
0.206 0.204 0.242
Expression system: Escherichia coli