2ACU

TYROSINE-48 IS THE PROTON DONOR AND HISTIDINE-110 DIRECTS SUBSTRATE STEREOCHEMICAL SELECTIVITY IN THE REDUCTION REACTION OF HUMAN ALDOSE REDUCTASE: ENZYME KINETICS AND THE CRYSTAL STRUCTURE OF THE Y48H MUTANT ENZYME

Structural Biology Knowledgebase: 2ACU SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.76 Å
  • R-Value Observed: 0.187

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2ACU

Classification: OXIDOREDUCTASE

Total Structure Weight: 36677.97

Macromolecule Entities
Molecule Chains Length Organism Details
ALDOSE REDUCTASE A 315 Homo sapiens EC#: 1.1.1.21 IUBMB
Mutation: Y48H
Gene Name(s): AKR1B1 Gene View ALDR1
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE (Synonym)
C21 H28 N7 O17 P3
XJLXINKUBYWONI-NNYOXOHSSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CIT
Query on CIT

A CITRIC ACID
C6 H8 O7
KRKNYBCHXYNGOX-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.76 Å
  • R-Value Observed: 0.187
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 49.99 α = 90.00
b = 67.14 β = 90.00
c = 92.07 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-04-15
  • Released Date: 1994-07-31
  • Deposition author(s): Bohren, K.M., Grimshaw, C.E., Lai, C.-J., Gabbay, K.H., Petsko, G.A., Harrison, D.H., Ringe, D.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4