1KP3

Crystal Structure of E. coli Argininosuccinate Synthetase in Complex with ATP and Citrulline


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.229
  • R-Value Work: 0.192

Literature

Macromolecules
Sequence Display for 1KP3

Classification: LIGASE

Total Structure Weight: 52038.45

Macromolecule Entities
Molecule Chains Length Organism Details
argininosuccinate synthetase A 455 Escherichia coli EC#: 6.3.4.5 IUBMB
Gene Name(s): argG b3172 JW3140
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
ATP
Query on ATP

A ADENOSINE-5'-TRIPHOSPHATE
C10 H16 N5 O13 P3
ZKHQWZAMYRWXGA-KQYNXXCUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CIR
Query on CIR

A CITRULLINE
C6 H13 N3 O3
RHGKLRLOHDJJDR-BYPYZUCNSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
PO4
Query on PO4

A PHOSPHATE ION
O4 P
NBIIXXVUZAFLBC-UHFFFAOYSA-K
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
GAI
Query on GAI

A GUANIDINE
C H5 N3
ZRALSGWEFCBTJO-UHFFFAOYSA-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: 0.229
  • R-Value Work: 0.192
  • Space Group: I 2 2 2

Unit Cell:

Length (Å) Angle (°)
a = 76.48 α = 90.00
b = 104.22 β = 90.00
c = 128.84 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-27
  • Released Date: 2002-04-17
  • Deposition author(s): Lemke, C.T., Howell, P.L.

Revision History

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