1CH8

STRUCTURE OF ADENYLOSUCCINATE SYNTHETASE FROM E. COLI COMPLEXED WITH A STRINGENT EFFECTOR, PPG2':3'P


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.190

Literature

Macromolecules
Sequence Display for 1CH8

Classification: LIGASE

Total Structure Weight: 48328.36

Macromolecule Entities
Molecule Chains Length Organism Details
PROTEIN (ADENYLOSUCCINATE SYNTHETASE) A 431 Escherichia coli EC#: 6.3.4.4 IUBMB
Gene Name(s): purA adeK b4177 JW4135
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 5 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
GPX
Query on GPX

A GUANOSINE 5'-DIPHOSPHATE 2':3'-CYCLIC MONOPHOSPHATE
C10 H14 N5 O13 P3
NGYWTCOGOZELRS-UUOKFMHZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
IMP
Query on IMP

A INOSINIC ACID
C10 H13 N4 O8 P
GRSZFWQUAKGDAV-KQYNXXCUSA-N
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)
NO3
Query on NO3

A NITRATE ION
N O3
NHNBFGGVMKEFGY-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)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
GPX N/A in BindingDB
N/A in BindingMoad
Ki: 100 nM  PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Free: 0.250
  • R-Value Work: 0.190
  • Space Group: P 32 2 1

Unit Cell:

Length (Å) Angle (°)
a = 80.30 α = 90.00
b = 80.30 β = 90.00
c = 158.20 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1999-03-31
  • Released Date: 1999-12-29
  • Deposition author(s): Hou, Z., Cashel, M., Fromm, H.J., Honzatko, R.B.

Revision History

  • 2008-04-26
    Type: Version format compliance
  • 2011-07-13
    Type: Derived calculations, Version format compliance