2O28

Crystal Structure of GNPNAT1

• PDB DOI: https://doi.org/10.2210/pdb2O28/pdb
• Entry: 2O28 supersedes: 2HV0

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


• Deposited: 2006-11-29 Released: 2006-12-12 
• Deposition Author(s): Min, J., Wu, H., Zeng, H., Loppnau, P., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.237 
• R-Value Work: 0.186 
• R-Value Observed: 0.189 

Literature

Crystal Structure of Glucosamine-Phosphate N-Acetyltransferase 1

Wu, H., Min, J., Zeng, H., Loppnau, P., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N.

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: 43.39 kDa 
• Atom Count: 3,294 
• Modelled Residue Count: 362 
• Deposited Residue Count: 368 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucosamine 6-phosphate N-acetyltransferase	A, B	184	Homo sapiens	Mutation(s): 0  Gene Names: GNPNAT1, GNA1 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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
COA	D [auth A], E [auth B]	COENZYME A C21 H36 N7 O16 P3 S RGJOEKWQDUBAIZ-IBOSZNHHSA-N
16G	C [auth A]	2-acetamido-2-deoxy-6-O-phosphono-alpha-D-glucopyranose C8 H16 N O9 P BRGMHAYQAZFZDJ-PVFLNQBWSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.237 
• R-Value Work: 0.186 
• R-Value Observed: 0.189 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.187	α = 90
b = 63.765	β = 91.81
c = 64.742	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-12-12 
Deposition Author(s): Min, J., Wu, H., Zeng, H., Loppnau, P., Weigelt, J., Sundstrom, M., Arrowsmith, C.H., Edwards, A.M., Bochkarev, A., Plotnikov, A.N., Structural Genomics Consortium (SGC)
• This entry supersedes: 2HV0

Revision History  

• Version 1.0: 2006-12-12
  Type: Initial release
  
• Version 1.1: 2008-05-01
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Data collection, Derived calculations, Structure summary
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references, Structure summary