6AW1: CEACAM3

Crystal structure of CEACAM3. Determined by X-ray diffraction at 2.1 Å resolution. Released 16 May 2018.

Method
X-ray diffraction
Resolution
2.1 Å
Organism
Homo sapiens
Chains
2
Atoms
1,787
Mol. weight
24.7 kDa
Released
16 May 2018

Explore 6AW1 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6AW1 contains 4 α-helices and 22 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains A and B: 2 helices, 11 β-strands

ElementResiduesLengthSheet
β-strand3-751
β-strand10-1122
β-strand17-2261
α-helix24-252
β-strand28-3583
α-helix41-433
β-strand44-4963
β-strand54-5743
β-strand65-6731
β-strand73-7531
β-strand85-9283
β-strand98-10363
β-strand105-10622

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Carcinoembryonic antigen-related cell adhesion molecule 3A, Bprotein109Homo sapiensP40198 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>6AW1_1 Carcinoembryonic antigen-related cell adhesion molecule 3 (chains A, B)
MAKLTIESMPLSVAEGKEVLLLVHNLPQHLFGYSWYKGERVDGNSLIVGYVIGTQQATPG
AAYSGRETIYTNASLLIQNVTQNDIGFYTLQVIKSDLVNEEATGQFHVY

Primary citation

TheHelicobacter pyloriadhesin protein HopQ exploits the dimer interface of human CEACAMs to facilitate translocation of the oncoprotein CagA. Bonsor, D.A., Zhao, Q., Schmidinger, B. et al. EMBO J (2018) 37. DOI 10.15252/embj.201798664 · PubMed

Other PDB entries of the same protein (UniProt P40198 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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