3KZH

Crystal structure of a putative sugar kinase from Clostridium perfringens

• PDB DOI: https://doi.org/10.2210/pdb3KZH/pdb

• Classification: TRANSFERASE
• Organism(s): Clostridium perfringens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2009-12-08 Released: 2009-12-22 
• Deposition Author(s): Syed Ibrahim, B., Kumaran, D., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.273 
• R-Value Work: 0.231 
• R-Value Observed: 0.231 

Literature

Crystal structure of a putative sugar kinase from Clostridium perfringens

Syed Ibrahim, B., Kumaran, D., Burley, S.K., Swaminathan, S.

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: 74.76 kDa 
• Atom Count: 5,072 
• Modelled Residue Count: 630 
• Deposited Residue Count: 656 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Probable sugar kinase	A, B	328	Clostridium perfringens	Mutation(s): 0  Gene Names: CPE1482
UniProt
Find proteins for Q8XKB8 (Clostridium perfringens (strain 13 / Type A)) Explore Q8XKB8  Go to UniProtKB:  Q8XKB8

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BGC	C [auth A], D [auth B]	beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N

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: 2.45 Å
• R-Value Free: 0.273 
• R-Value Work: 0.231 
• R-Value Observed: 0.231 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 52.396	α = 90
b = 108.102	β = 90
c = 110.918	γ = 90

Software Package:

Software Name	Purpose
CBASS	data collection
SHELX	model building
SHARP	phasing
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-12-22 
Deposition Author(s): Syed Ibrahim, B., Kumaran, D., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2009-12-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Database references, Derived calculations, Structure summary
• Version 1.3: 2021-02-10
  Changes: Database references, Structure summary