1ZI5

Crystal Structure of Human N-acetylgalactosaminyltransferase (GTA) Complexed with H type I Trisaccharide


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.226
  • R-Value Work: 0.211

Literature

Macromolecules
Sequence Display for 1ZI5

Classification: TRANSFERASE

Total Structure Weight: 36331.69

Macromolecule Entities
Molecule Chains Length Organism Details
Histo-blood group ABO system transferase (NAGAT) Includes: Glycoprotein-fucosylgalactoside alpha-N- acetylgalactosaminyltransferase A 293 Homo sapiens EC#: 2.4.1.40 IUBMB
Gene Name(s): ABO Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
DR3
Query on DR3

A 6-deoxy-alpha-L-galactopyranosyl-(1->2)-beta- D-galactopyranosyl-(1->3)-2-(acetylamino)- 2-deoxy-beta-D-glucopyranose
H TYPE I TRISACCHARIDE (Synonym)
C20 H35 N O15
MGSDFCKWGHNUSM-QVPNGJTFSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
UDP
Query on UDP

A URIDINE-5'-DIPHOSPHATE
C9 H14 N2 O12 P2
XCCTYIAWTASOJW-XVFCMESISA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HG
Query on HG

A MERCURY (II) ION
Hg
BQPIGGFYSBELGY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.55 Å
  • R-Value Free: 0.226
  • R-Value Work: 0.211
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 52.55 α = 90.00
b = 149.81 β = 90.00
c = 79.93 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-04-26
  • Released Date: 2005-12-13
  • Deposition author(s): Letts, J.A., Rose, N.L., Fang, Y.R., Barry, C.H., Borisova, S.N., Seto, N.O., Palcic, M.M., Evans, S.V.

Revision History

  • 2008-04-30
    Type: Version format compliance
  • 2011-07-13
    Type: Derived calculations, Version format compliance