4W91 | pdb_00004w91

Crystal structure of a cysteine desulfurase SufS from Brucella suis bound to PLP

• PDB DOI: https://doi.org/10.2210/pdb4W91/pdb

• Classification: TRANSFERASE
• Organism(s): Brucella suis bv. 4 str. 40
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2014-08-26 Released: 2014-10-08 
• Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 
  0.252 (Depositor), 0.249 (DCC) 
• R-Value Work: 
  0.237 (Depositor), 0.231 (DCC) 
• R-Value Observed: 
  0.238 (Depositor) 

Literature

Crystal structure of a cysteine desulfurase SufS from Brucella suis bound to PLP

Seattle Structural Genomics Center for Infectious Disease (SSGCID)

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 4  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 5  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content 

• Total Structure Weight: 470.97 kDa 
• Atom Count: 30,371 
• Modeled Residue Count: 3,982 
• Deposited Residue Count: 4,220 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Aminotransferase	A, B, C, D, E, F, G, H, I, J	422	Brucella suis bv. 4 str. 40	Mutation(s): 0  Gene Names: BAVG_0632

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CL	K [auth A], L [auth B], M [auth C], N [auth D], O [auth E], P [auth H], Q [auth I]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
LLP	A, B, C, D, E, F, G, H, I, J	L-PEPTIDE LINKING	C14 H22 N3 O7 P		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free:  0.252 (Depositor), 0.249 (DCC) 
• R-Value Work:  0.237 (Depositor), 0.231 (DCC) 
• R-Value Observed: 0.238 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 89.85	α = 111.49
b = 121.91	β = 106.53
c = 133.72	γ = 89.81

Software Package:

Software Name	Purpose
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-10-08 
Deposition Author(s): Seattle Structural Genomics Center for Infectious Disease (SSGCID)

Revision History  

• Version 1.0: 2014-10-08
  Type: Initial release
  
• Version 2.0: 2023-12-27
  Changes: Data collection, Database references, Derived calculations, Non-polymer description, Other, Refinement description, Source and taxonomy, Structure summary
• Version 2.1: 2025-10-22
  Changes: Database references, Structure summary