2AA4 | pdb_00002aa4

Crystal structure of Escherichia coli putative N-ACETYLMANNOSAMINE KINASE, New York Structural Genomics Consortium

• PDB DOI: https://doi.org/10.2210/pdb2AA4/pdb

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


• Deposited: 2005-07-13 Released: 2005-07-19 
• Deposition Author(s): Patskovsky, Y., Almo, S.C., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.243 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.179 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Literature

Crystal Structure of Escherichia Coli Putative N-Acetylmannosamine Kinase

Patskovsky, Y., Almo, S.C.

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: 58.99 kDa 
• Atom Count: 4,391 
• Modeled Residue Count: 578 
• Deposited Residue Count: 578 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative N-acetylmannosamine kinase	A, B	289	Escherichia coli	Mutation(s): 0  Gene Names: nanK EC: 2.7.1.60
UniProt
Find proteins for P45425 (Escherichia coli (strain K12)) Explore P45425  Go to UniProtKB:  P45425

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	C [auth A], D [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.243 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.179 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.991	α = 90
b = 75.841	β = 90
c = 166.646	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
REFMAC	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-07-19 
Deposition Author(s): Patskovsky, Y., Almo, S.C., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2005-07-19
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2021-02-03
  Changes: Derived calculations, Structure summary
• Version 1.4: 2024-02-14
  Changes: Data collection, Database references, Refinement description