3RIR

Crystal Strucrture of Biotin Protein Ligase from S. aureus

• PDB DOI: https://doi.org/10.2210/pdb3RIR/pdb

• Classification: LIGASE
• Organism(s): Staphylococcus aureus subsp. aureus ECT-R 2
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2011-04-14 Released: 2012-04-18 
• Deposition Author(s): Wilce, M.C.J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.285 
• R-Value Work: 0.205 
• R-Value Observed: 0.209 

Literature

Crystal Strucrture of Biotin Protein Ligase from S. aureus

Pendini, N., Yap, M., Polyak, S., Cowieson, N., Daouda, T., Booker, G., Wallace, J., Wilce, M.C.J.

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)

Macromolecule Content

• Total Structure Weight: 37.76 kDa 
• Atom Count: 2,670 
• Modelled Residue Count: 322 
• Deposited Residue Count: 323 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Biotin-[acetyl-CoA-carboxylase] ligase	A	323	Staphylococcus aureus subsp. aureus ECT-R 2	Mutation(s): 0  Gene Names: ECTR2_1310 EC: 6.3.4.15

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BT5	B [auth A]	BIOTINYL-5-AMP C20 H28 N7 O9 P S UTQCSTJVMLODHM-RHCAYAJFSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.60 Å
• R-Value Free: 0.285 
• R-Value Work: 0.205 
• R-Value Observed: 0.209 
• Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 93.564	α = 90
b = 93.564	β = 90
c = 130.65	γ = 90

Software Package:

Software Name	Purpose
StructureStudio	data collection
PHASER	phasing
PHENIX	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-04-18 
Deposition Author(s): Wilce, M.C.J.

Revision History  

• Version 1.0: 2012-04-18
  Type: Initial release
  
• Version 1.1: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description