2HNI

Crystal Structure Of Biotin Protein Ligase From Pyrococcus Horikoshii OT3, K111A mutation

• PDB DOI: https://doi.org/10.2210/pdb2HNI/pdb

• Classification: LIGASE
• Organism(s): Pyrococcus horikoshii OT3
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2006-07-13 Released: 2007-01-13 
• Deposition Author(s): Bagautdinov, B., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.225 
• R-Value Work: 0.199 
• R-Value Observed: 0.199 

Literature

Ligand Structures Of Biotin Protein Ligase From Pyrococcus Horikoshii OT3

Bagautdinov, B., Kunishima, N.

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: 52.15 kDa 
• Atom Count: 3,991 
• Modelled Residue Count: 465 
• Deposited Residue Count: 470 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
235aa long hypothetical biotin-[acetyl-CoA-carboxylase] ligase	A, B	235	Pyrococcus horikoshii OT3	Mutation(s): 1  Gene Names: birA EC: 6.3.4.15
UniProt
Find proteins for O57883 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O57883  Go to UniProtKB:  O57883

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ACY	C [auth B]	ACETIC ACID C2 H4 O2 QTBSBXVTEAMEQO-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 0.225 
• R-Value Work: 0.199 
• R-Value Observed: 0.199 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 38.362	α = 90
b = 82.74	β = 103.62
c = 72.945	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-01-13 
Deposition Author(s): Bagautdinov, B., Kunishima, N., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-01-13
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2021-11-10
  Changes: Database references, Derived calculations
• Version 1.4: 2023-10-25
  Changes: Data collection, Refinement description