3FHH

Crystal structure of the heme/hemoglobin outer membrane transporter ShuA from Shigella dysenteriae

• PDB DOI: https://doi.org/10.2210/pdb3FHH/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Shigella dysenteriae
• Expression System: Escherichia coli
• Mutation(s): No 
• Membrane Protein: Yes  OPMPDBTMMemProtMDmpstruc


• Deposited: 2008-12-09 Released: 2009-07-14 
• Deposition Author(s): Brillet, K., Cobessi, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.286 
• R-Value Work: 0.237 
• R-Value Observed: 0.240 

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 71.69 kDa 
• Atom Count: 4,825 
• Modelled Residue Count: 621 
• Deposited Residue Count: 640 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Outer membrane heme receptor ShuA	A	640	Shigella dysenteriae	Mutation(s): 0  Gene Names: shuA Membrane Entity: Yes
UniProt
Find proteins for P72412 (Shigella dysenteriae) Explore P72412  Go to UniProtKB:  P72412

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BOG	B [auth A]	octyl beta-D-glucopyranoside C14 H28 O6 HEGSGKPQLMEBJL-RKQHYHRCSA-N
PB	C [auth A], D [auth A], E [auth A], F [auth A]	LEAD (II) ION Pb RVPVRDXYQKGNMQ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.286 
• R-Value Work: 0.237 
• R-Value Observed: 0.240 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.099	α = 90
b = 114.217	β = 90
c = 117.085	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
SHELXS	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-07-14 
Deposition Author(s): Brillet, K., Cobessi, D.

Revision History  

• Version 1.0: 2009-07-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-06-28
  Changes: Source and taxonomy
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.4: 2021-06-23
  Changes: Database references, Structure summary
• Version 1.5: 2024-03-20
  Changes: Data collection, Database references