4Y2O

Structure of CFA/I pili chaperone-major subunit complex (CfaA-CfaB)


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.419 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.236 

wwPDB Validation 3D Report Full Report


This is version 1.1 of the entry. See complete history

Literature

Off-pathway assembly of fimbria subunits is prevented by chaperone CfaA of CFA/I fimbriae from enterotoxigenic E. coli.

Bao, R.Liu, Y.Savarino, S.J.Xia, D.

(2016) Mol. Microbiol. 102: 975-991


Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
CfA/I fimbrial subunit A (Colonization factor antigen subunit A putative chaperone)
A
231Escherichia coli O78:H11 (strain H10407 / ETEC)Mutation(s): 1 
Gene Names: cfaA
Find proteins for E3PPC3 (Escherichia coli O78:H11 (strain H10407 / ETEC))
Go to UniProtKB:  E3PPC3
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
CFA/I fimbrial subunit B
B
142Escherichia coli O78:H11 (strain H10407 / ETEC)Mutation(s): 0 
Gene Names: cfaB
Find proteins for E3PPC4 (Escherichia coli O78:H11 (strain H10407 / ETEC))
Go to UniProtKB:  E3PPC4
Small Molecules
Ligands 2 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
PGE
Query on PGE

Download SDF File 
Download CCD File 
A
TRIETHYLENE GLYCOL
C6 H14 O4
ZIBGPFATKBEMQZ-UHFFFAOYSA-N
 Ligand Interaction
NI
Query on NI

Download SDF File 
Download CCD File 
B
NICKEL (II) ION
Ni
VEQPNABPJHWNSG-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.419 Å
  • R-Value Free: 0.262 
  • R-Value Work: 0.236 
  • Space Group: H 3
Unit Cell:
Length (Å)Angle (°)
a = 129.192α = 90.00
b = 129.192β = 90.00
c = 73.271γ = 120.00
Software Package:
Software NamePurpose
PHENIXrefinement
HKL-2000data reduction
PHENIXphasing
HKL-2000data scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

  • Deposited Date: 2015-02-10 
  • Released Date: 2016-08-10 
  • Deposition Author(s): Bao, R., Xia, D.

Revision History 

  • Version 1.0: 2016-08-10
    Type: Initial release
  • Version 1.1: 2018-11-28
    Type: Advisory, Data collection, Database references, Derived calculations