1AIB

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

Structural Biology Knowledgebase: 1AIB SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.219

Literature

Macromolecules
Sequence Display for 1AIB

Classification: TRANSFERASE(AMINOTRANSFERASE)

Total Structure Weight: 88045.74

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A, B 396 Escherichia coli EC#: 2.6.1.1 IUBMB
Mutation: K258H
Gene Name(s): aspC b0928 JW0911
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B 4'-DEOXY-4'-AMINOPYRIDOXAL-5'-PHOSPHATE
PYRIDOXAMINE-5'-PHOSPHATE (Synonym)
C8 H13 N2 O5 P
ZMJGSOSNSPKHNH-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
AKG
Query on AKG

A, B 2-OXOGLUTARIC ACID
C5 H6 O5
KPGXRSRHYNQIFN-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.8 Å
  • R-Value Observed: 0.219
  • Space Group: P 1 21 1

Unit Cell:

Length (Å) Angle (°)
a = 86.60 α = 90.00
b = 79.80 β = 119.00
c = 89.80 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1994-05-10
  • Released Date: 1994-10-15
  • Deposition author(s): Jaeger, J., Jansonius, J.N.

Revision History

  • 2012-07-25
    Type: Entry title | Details: Correct typo in title
  • 2012-07-25
    Type: Polymer description | Details: Flag mutation and fix 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