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Structure of the minimally glycosylated human CEACAM1 N-terminal domain

Analyse Structure of the minimally glycosylated human CEACAM1 N-terminal domain in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
7MU8
Type
protein
Length
214 residues
Chains
2
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Carcinoembryonic antigen-related cell adhesion molecule 1
UniProt
P13688
Ligands
NAG, SO4

Structure

x-ray diffraction · 1 distinct chain · 6% helix, 51% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, BCarcinoembryonic antigen-related cell adhesion molecule 1protein1076% helix, 51% strandP13688

Ligands and binding sites

  • NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 3 copies · chains A, B
  • SO4 · Sulfate ion · ion · chains A
  • GOL · Glycerol · additive · 10 copies · chains A, B

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Interfaces

1 interface between chains.

  • A–B · 845 Ų buried · 12 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 3 glycan (N-glycosylation).

Compared structures

  • 7MU8 · Structure of the minimally glycosylated human CEACAM1 N-terminal domain · the same entry in another collection · chain A against A, TM-score 1.00
  • P13688 · AlphaFold monomer V2.0 prediction for carcinoembryonic antigen- related cell adhesion… · a predicted model of the same protein · chain B against A, TM-score 0.99

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