1KKF

Complex of E. coli Adenylosuccinate Synthetase with IMP, Hadacidin, Pyrophosphate, and Mg

Structural Biology Knowledgebase: 1KKF SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.190

Literature

Macromolecules
Sequence Display for 1KKF

Classification: LIGASE

Total Structure Weight: 48066.84

Macromolecule Entities
Molecule Chains Length Organism Details
Adenylosuccinate Synthetase A 432 Escherichia coli EC#: 6.3.4.4 IUBMB
Gene Name(s): purA adeK b4177 JW4135
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A INOSINIC ACID
C10 H13 N4 O8 P
GRSZFWQUAKGDAV-KQYNXXCUSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
DPO
Query on DPO

A DIPHOSPHATE
O7 P2
XPPKVPWEQAFLFU-UHFFFAOYSA-J
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
HDA
Query on HDA

A HADACIDIN
C3 H5 N O4
URJHVPKUWOUENU-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
MG
Query on MG

A MAGNESIUM ION
Mg
JLVVSXFLKOJNIY-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.6 Å
  • R-Value Free: 0.270
  • R-Value Work: 0.190
  • Space Group: P 32 2 1
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 80.12 α = 90.00
b = 80.12 β = 90.00
c = 158.67 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-12-07
  • Released Date: 2002-03-20
  • Deposition author(s): Hou, Z., Wang, W., Fromm, H.J., Honzatko, R.B.

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