2V4I

Structure of a novel N-acyl-enzyme intermediate of an N-terminal nucleophile (Ntn) hydrolase, OAT2

• PDB DOI: https://doi.org/10.2210/pdb2V4I/pdb

• Classification: TRANSFERASE
• Organism(s): Streptomyces clavuligerus
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2008-09-22 Released: 2008-10-07 
• Deposition Author(s): Iqbal, A., Clifton, I.J., Schofield, C.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.247 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 

Starting Model: experimental

Literature

Structure of a Novel N-Acyl-Enzyme Intermediate of an N-Terminal Nucleophile (Ntn) Hydrolase, Oat2

Iqbal, A., Schofield, C.J., Clifton, I.J.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Macromolecule Content

• Total Structure Weight: 163.74 kDa 
• Atom Count: 11,153 
• Modelled Residue Count: 1,504 
• Deposited Residue Count: 1,544 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
GLUTAMATE N-ACETYLTRANSFERASE 2 ALPHA CHAIN	A, C, E, G	173	Streptomyces clavuligerus	Mutation(s): 0  EC: 2.3.1.35
UniProt
Find proteins for P0DJQ5 (Streptomyces clavuligerus) Explore P0DJQ5  Go to UniProtKB:  P0DJQ5

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
GLUTAMATE N-ACETYLTRANSFERASE 2 BETA CHAIN	B, D, F, H	213	Streptomyces clavuligerus	Mutation(s): 1  EC: 2.3.1.35
UniProt
Find proteins for P0DJQ5 (Streptomyces clavuligerus) Explore P0DJQ5  Go to UniProtKB:  P0DJQ5

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
AYA	B, D, F, H	L-PEPTIDE LINKING	C5 H9 N O3		ALA

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.247 
• R-Value Work: 0.214 
• R-Value Observed: 0.216 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 73.455	α = 90
b = 180.163	β = 90
c = 60.962	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
RIGID-BODY	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-10-07 
Deposition Author(s): Iqbal, A., Clifton, I.J., Schofield, C.J.

Revision History  

• Version 1.0: 2008-10-07
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description