4H7O | pdb_00004h7o

Crystal structure of Serine acetyltransferase from Vibrio cholerae O1 biovar El Tor N16961

• PDB DOI: https://doi.org/10.2210/pdb4H7O/pdb

• Classification: TRANSFERASE
• Organism(s): Vibrio cholerae O1 biovar El Tor str. N16961
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-09-20 Released: 2013-10-02 
• Deposition Author(s): Tarique, K.F., Abdul Rehman, S.A., Gourinath, S.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free: 
  0.220 (Depositor), 0.216 (DCC) 
• R-Value Work: 
  0.177 (Depositor), 0.174 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Starting Model: experimental

Literature

Crystal structure of Serine acetyltransferase from Vibrio cholerae O1 biovar El Tor N16961.

F Tarique, K., Abdul Rehman, S.A., Gourinath, S.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

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

Macromolecule Content 

• Total Structure Weight: 92.06 kDa 
• Atom Count: 6,156 
• Modeled Residue Count: 774 
• Deposited Residue Count: 843 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Serine acetyltransferase	A, B, C	281	Vibrio cholerae O1 biovar El Tor str. N16961	Mutation(s): 0  Gene Names: serine acetyltransferase (EC:2.3.1.30), VC_2649 EC: 2.3.1.30
UniProt
Find proteins for Q9KNT2 (Vibrio cholerae serotype O1 (strain ATCC 39315 / El Tor Inaba N16961)) Explore Q9KNT2  Go to UniProtKB:  Q9KNT2

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ARG	E [auth A], G [auth B], I [auth C]	ARGININE C6 H15 N4 O2 ODKSFYDXXFIFQN-BYPYZUCNSA-O
CYS	D [auth A], F [auth A], H [auth B]	CYSTEINE C3 H7 N O2 S XUJNEKJLAYXESH-REOHCLBHSA-N
NA	J [auth C]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.17 Å
• R-Value Free:  0.220 (Depositor), 0.216 (DCC) 
• R-Value Work:  0.177 (Depositor), 0.174 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 144.04	α = 90
b = 75.04	β = 89.04
c = 73.43	γ = 90

Software Package:

Software Name	Purpose
DNA	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-10-02 
Deposition Author(s): Tarique, K.F., Abdul Rehman, S.A., Gourinath, S.

Revision History  

• Version 1.0: 2013-10-02
  Type: Initial release
  
• Version 1.1: 2018-01-24
  Changes: Structure summary
• Version 1.2: 2023-09-20
  Changes: Data collection, Database references, Derived calculations, Refinement description