4WTZ

Human CEACAM6-CEACAM8 N-domain heterodimer complex

• PDB DOI: https://doi.org/10.2210/pdb4WTZ/pdb

• Classification: CELL ADHESION
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2014-10-30 Released: 2015-11-04 
• Deposition Author(s): Kirouac, K.N., Prive, G.G.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.234 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 

Starting Model: experimental

Literature

Human CEACAM6-CEACAM8 N-domain heterodimer complex

Kirouac, K.N., Prive, G.G.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 4 assigned by authors and generated by PISA (software)

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 5 assigned by authors and generated by PISA (software)

Biological Assembly 6  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 6 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 144.71 kDa 
• Atom Count: 10,391 
• Modelled Residue Count: 1,300 
• Deposited Residue Count: 1,302 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carcinoembryonic antigen-related cell adhesion molecule 6	A, B, C, D, E, F	108	Homo sapiens	Mutation(s): 0  Gene Names: CEACAM6, NCA
UniProt & NIH Common Fund Data Resources
Find proteins for P40199 (Homo sapiens) Explore P40199  Go to UniProtKB:  P40199
PHAROS:  P40199 GTEx:  ENSG00000086548

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Carcinoembryonic antigen-related cell adhesion molecule 8	G, H, I, J, K, L	109	Homo sapiens	Mutation(s): 0  Gene Names: CEACAM8, hCG_21882
UniProt & NIH Common Fund Data Resources
Find proteins for P31997 (Homo sapiens) Explore P31997  Go to UniProtKB:  P31997
PHAROS:  P31997 GTEx:  ENSG00000124469

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NI	M [auth A], N [auth A], O [auth B]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.52 Å
• R-Value Free: 0.234 
• R-Value Work: 0.205 
• R-Value Observed: 0.206 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 109.146	α = 90
b = 113.582	β = 90
c = 123.151	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
d*TREK	data reduction
PDB_EXTRACT	data extraction
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-11-04 
Deposition Author(s): Kirouac, K.N., Prive, G.G.

Revision History  

• Version 1.0: 2015-11-04
  Type: Initial release
  
• Version 1.1: 2017-09-27
  Changes: Author supporting evidence, Derived calculations, Refinement description
• Version 1.2: 2023-09-27
  Changes: Data collection, Database references, Derived calculations, Refinement description