1K97

Crystal Structure of E. coli Argininosuccinate Synthetase in complex with Aspartate and Citrulline

Structural Biology Knowledgebase: 1K97 SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.214
  • R-Value Work: 0.176

Literature

Macromolecules
Sequence Display for 1K97

Classification: LIGASE

Total Structure Weight: 51276.07

Macromolecule Entities
Molecule Chains Length Organism Details
ARGININOSUCCINATE SYNTHASE A 455 Escherichia coli EC#: 6.3.4.5 IUBMB
Fragment: Residues 1 to 444
Gene Name(s): argG b3172 JW3140
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A CITRULLINE
C6 H13 N3 O3
RHGKLRLOHDJJDR-BYPYZUCNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ASP
Query on ASP

A ASPARTIC ACID
C4 H7 N O4
CKLJMWTZIZZHCS-REOHCLBHSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.214
  • R-Value Work: 0.176
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 78.00 α = 90.00
b = 105.34 β = 90.00
c = 127.36 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-10-26
  • Released Date: 2001-12-07
  • Deposition author(s): Lemke, C.T., Howell, P.L.

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