Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

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Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - AB 

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

Biological Assembly Evidence: isothermal titration calorimetry, gel filtration, SAXS

Macromolecule Content

• Total Structure Weight: 57418.48 
• Atom Count: 3279 
• Residue Count: 526 
• Unique protein chains: 2

6GBG

Helicobacter pylori adhesin HopQ type I bound to the N-terminal domain of human CEACAM1

• DOI: 10.2210/pdb6GBG/pdb

• Classification: CELL ADHESION
• Organism(s): Homo sapiens, Helicobacter pylori (strain G27)
• Expression System: Escherichia coli


• Deposited: 2018-04-13 Released: 2018-06-27 
• Deposition Author(s): Moonens, K., Kruse, T., Gerhard, M., Remaut, H.
• Funding Organization(s): Fonds Wetenschappelijk Onderzoek (FWO) 

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.8 Å
• R-Value Free: 0.263 
• R-Value Work: 0.201 

Literature

Helicobacter pyloriadhesin HopQ disruptstransdimerization in human CEACAMs.

Moonens, K., Hamway, Y., Neddermann, M., Reschke, M., Tegtmeyer, N., Kruse, T., Kammerer, R., Mejias-Luque, R., Singer, B.B., Backert, S., Gerhard, M., Remaut, H.

(2018) EMBO J. 37: --

• PubMed: 29858229 
• Primary Citation of Related Structures:  
  6GBH

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Carcinoembryonic antigen-related cell adhesion molecule 1	D	115	Homo sapiens	Mutation(s): 0  Gene Names: CEACAM1 (BGP, BGP1)
Find proteins for P13688 (Homo sapiens) Go to Gene View: CEACAM1 Go to UniProtKB:  P13688

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details
Outer membrane protein	A	411	Helicobacter pylori (strain G27)	Mutation(s): 0  Gene Names: hopQ
Find proteins for B5Z8H1 (Helicobacter pylori (strain G27)) Go to UniProtKB:  B5Z8H1

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
BR	A	BROMIDE ION Br CPELXLSAUQHCOX-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.8 Å
• R-Value Free: 0.263 
• R-Value Work: 0.201 
• Space Group: P 3₂ 2 1

Unit Cell:

Length (Å)	Angle (°)
a = 94.430	α = 90.00
b = 94.430	β = 90.00
c = 119.700	γ = 120.00

Software Package:

Software Name	Purpose
xia2	data reduction
PHASER	phasing
REFMAC	refinement
xia2	data scaling

Structure Validation

Entry History & Funding Information

Deposition Data

• Deposited Date: 2018-04-13 
• Released Date: 2018-06-27 
• Deposition Author(s): Moonens, K., Kruse, T., Gerhard, M., Remaut, H.

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Funding Organization	Location	Grant Number
Fonds Wetenschappelijk Onderzoek (FWO)	Belgium	12H8416N
Fonds Wetenschappelijk Onderzoek (FWO)	Belgium	G033717N

Revision History 

• Version 1.0: 2018-06-27
  Type: Initial release
• Version 1.1: 2018-07-11
  Type: Data collection, Database references