1AKA

STRUCTURAL BASIS FOR THE CATALYTIC ACTIVITY OF ASPARTATE AMINOTRANSFERASE K258H LACKING ITS PYRIDOXAL-5'-PHOSPHATE-BINDING LYSINE RESIDUE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.169

Literature

Macromolecules
Sequence Display for 1AKA

Classification: TRANSFERASE(AMINOTRANSFERASE)

Total Structure Weight: 90345.84

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A, B 401 Gallus gallus EC#: 2.6.1.1 IUBMB 2.6.1.7 IUBMB
Mutation: S47P, K258H
Gene Name(s): GOT2 Gene View
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A PYRIDOXAL-5'-PHOSPHATE
VITAMIN B6 Phosphate (Synonym)
C8 H10 N O6 P
NGVDGCNFYWLIFO-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

B PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.1 Å
  • R-Value Observed: 0.169
  • Space Group: P 1

Unit Cell:

Length (Å) Angle (°)
a = 55.87 α = 85.26
b = 58.80 β = 108.96
c = 75.81 γ = 115.57

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-02-28
  • Released Date: 1994-07-31
  • Deposition author(s): Malashkevich, V.N., Jansonius, J.N.

Revision History

  • 2012-07-25
    Type: Polymer description | Details: Flag mutation and correct struct_ref_seq_dif
  • 2011-07-13
    Type: Non-polymer description | Details: chemical name/synonym update
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4