1B4X

ASPARTATE AMINOTRANSFERASE FROM E. COLI, C191S MUTATION, WITH BOUND MALEATE

Structural Biology Knowledgebase: 1B4X SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Observed: 0.207

Literature

Macromolecules
Sequence Display for 1B4X

Classification: TRANSFERASE

Total Structure Weight: 43966.79

Macromolecule Entities
Molecule Chains Length Organism Details
ASPARTATE AMINOTRANSFERASE A 396 Escherichia coli EC#: 2.6.1.1 IUBMB
Fragment: COMPLETE SUBUNIT
Mutation: C191S
Details: PYRIDOXAL PHOSPHATE COFACTOR COVALENTLY BOUND TO LYS 258 VIA SCHIFF BASE LINKAGE
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
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)
MAE
Query on MAE

A MALEIC ACID
C4 H4 O4
VZCYOOQTPOCHFL-UPHRSURJSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.45 Å
  • R-Value Observed: 0.207
  • Space Group: C 2 2 21

Unit Cell:

Length (Å) Angle (°)
a = 157.13 α = 90.00
b = 86.69 β = 90.00
c = 79.87 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1998-12-30
  • Released Date: 2000-10-27
  • Deposition author(s): Jeffery, C.J., Gloss, L.M., Petsko, G.A., Ringe, D.

Revision History

  • 2011-07-13
    Type: Biological assembly | Details: Added software calculated values
  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4