3U54

Crystal structure (Type-1) of SAICAR synthetase from Pyrococcus horikoshii OT3


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.286
  • R-Value Work: 0.235

Literature

Macromolecules
Sequence Display for 3U54

Classification: LIGASE

Total Structure Weight: 57311.42

Macromolecule Entities
Molecule Chains Length Organism Details
Phosphoribosylaminoimidazole-succinocarboxamide synthase A, B 238 Pyrococcus horikoshii EC#: 6.3.2.6 IUBMB
Gene Name(s): purC PH0239
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A, B CADMIUM ION
Cd
WLZRMCYVCSSEQC-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BU1
Query on BU1

A 1,4-BUTANEDIOL
C4 H10 O2
WERYXYBDKMZEQL-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

B ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
Modified Residues 1 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A, B L-PEPTIDE LINKING C5 H11 N O2 Se MET

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.35 Å
  • R-Value Free: 0.286
  • R-Value Work: 0.235
  • Space Group: H 3

Unit Cell:

Length (Å) Angle (°)
a = 95.42 α = 90.00
b = 95.42 β = 90.00
c = 148.63 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2011-10-11
  • Released Date: 2012-10-17
  • Deposition author(s): Manjunath, K., Kanaujia, S.P., Kanagaraj, S., Jeyakanthan, J., Sekar, K.

Revision History

  • 2013-12-18
    Type: Database references