3CXQ

Crystal structure of human glucosamine 6-phosphate N-acetyltransferase 1 bound to GlcN6P

• PDB DOI: https://doi.org/10.2210/pdb3CXQ/pdb

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


• Deposited: 2008-04-25 Released: 2008-09-16 
• Deposition Author(s): Wang, J., Liu, X., Li, L.-F., Su, X.-D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.255 
• R-Value Work: 0.207 
• R-Value Observed: 0.209 

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: 21.04 kDa 
• Atom Count: 1,535 
• Modelled Residue Count: 182 
• Deposited Residue Count: 184 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucosamine 6-phosphate N-acetyltransferase	A	184	Homo sapiens	Mutation(s): 0  Gene Names: GNPNAT1 EC: 2.3.1.4
UniProt & NIH Common Fund Data Resources
Find proteins for Q96EK6 (Homo sapiens) Explore Q96EK6  Go to UniProtKB:  Q96EK6
PHAROS:  Q96EK6 GTEx:  ENSG00000100522

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GLP	B [auth A]	2-amino-2-deoxy-6-O-phosphono-alpha-D-glucopyranose C6 H14 N O8 P XHMJOUIAFHJHBW-UKFBFLRUSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.255 
• R-Value Work: 0.207 
• R-Value Observed: 0.209 
• Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.136	α = 90
b = 54.136	β = 90
c = 138.638	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
LSCALE	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-16 
Deposition Author(s): Wang, J., Liu, X., Li, L.-F., Su, X.-D.

Revision History  

• Version 1.0: 2008-09-16
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-11-01
  Changes: Data collection, Database references, Refinement description, Structure summary