3IWG | pdb_00003iwg

Acetyltransferase from GNAT family from Colwellia psychrerythraea.

• PDB DOI: https://doi.org/10.2210/pdb3IWG/pdb

• Classification: TRANSFERASE
• Organism(s): Colwellia psychrerythraea 34H
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-09-02 Released: 2009-09-15 
• Deposition Author(s): Osipiuk, J., Stein, A., Shackelford, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.218 (Depositor), 0.231 (DCC) 
• R-Value Work: 
  0.181 (Depositor), 0.197 (DCC) 
• R-Value Observed: 
  0.183 (Depositor) 

Literature

X-ray crystal structure of Acetyltransferase from GNAT family from Colwellia psychrerythraea.

Osipiuk, J., Stein, A., Shackelford, G., Joachimiak, A.

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.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 62.77 kDa 
• Atom Count: 4,432 
• Modeled Residue Count: 535 
• Deposited Residue Count: 552 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetyltransferase, GNAT family	A, B	276	Colwellia psychrerythraea 34H	Mutation(s): 0  Gene Names: CPS_4898
UniProt
Find proteins for Q47UI6 (Colwellia psychrerythraea (strain 34H / ATCC BAA-681)) Explore Q47UI6  Go to UniProtKB:  Q47UI6

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], F [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CL	D [auth A], E [auth A], G [auth B]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free:  0.218 (Depositor), 0.231 (DCC) 
• R-Value Work:  0.181 (Depositor), 0.197 (DCC) 
• R-Value Observed: 0.183 (Depositor) 

Space Group: P 3₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.531	α = 90
b = 67.531	β = 90
c = 137.852	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-09-15 
Deposition Author(s): Osipiuk, J., Stein, A., Shackelford, G., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2009-09-15
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Refinement description, Source and taxonomy, Version format compliance
• Version 1.2: 2017-11-01
  Changes: Refinement description
• Version 1.3: 2024-10-16
  Changes: Data collection, Database references, Derived calculations, Structure summary