4HKH

Structure of the Hcp1 protein from E. coli EAEC 042 pathovar, mutants N93W-S158W

• PDB DOI: https://doi.org/10.2210/pdb4HKH/pdb

• Classification: PROTEIN BINDING
• Organism(s): Escherichia coli 042
• Expression System: Escherichia coli BL21
• Mutation(s): Yes 


• Deposited: 2012-10-15 Released: 2013-12-11 
• Deposition Author(s): Douzi, B., Spinelli, S., Derrez, E., Blangy, S., Brunet, Y.R., Cascales, E., Cambillau, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.69 Å
• R-Value Free: 0.196 
• R-Value Work: 0.180 
• R-Value Observed: 0.181 

Literature

Structure of the Hcp1 protein from E. coli EAEC 042 pathovar, mutants N93W-S158W

Douzi, B., Spinelli, S., Derrez, E., Blangy, S., Brunet, Y.R., Cascales, E., Cambillau, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Biological Assembly 3  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 4 assigned by authors.

Biological Assembly 5  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 5 assigned by authors.

Biological Assembly 6  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 6 assigned by authors.

Macromolecule Content

• Total Structure Weight: 119.29 kDa 
• Atom Count: 7,794 
• Modelled Residue Count: 851 
• Deposited Residue Count: 1,014 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative type VI secretion protein	A, B, C [auth D], D [auth E], E [auth F], F [auth G]	169	Escherichia coli 042	Mutation(s): 2  Gene Names: EC042_4529, Hcp1
UniProt
Find proteins for D3GUW0 (Escherichia coli O44:H18 (strain 042 / EAEC)) Explore D3GUW0  Go to UniProtKB:  D3GUW0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	G [auth A], H [auth A], I [auth A], J [auth B], K [auth B], L [auth B], M [auth D], N [auth D], O [auth E], P [auth E], Q [auth G]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.69 Å
• R-Value Free: 0.196 
• R-Value Work: 0.180 
• R-Value Observed: 0.181 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.21	α = 90
b = 145.89	β = 103.42
c = 89.85	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
BUSTER	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-12-11 
Deposition Author(s): Douzi, B., Spinelli, S., Derrez, E., Blangy, S., Brunet, Y.R., Cascales, E., Cambillau, C.

Revision History  

• Version 1.0: 2013-12-11
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description