2AIR

T-state Active Site of Aspartate Transcarbamylase:Crystal Structure of the Carbamyl Phosphate and L-alanosine Ligated Enzyme

Structural Biology Knowledgebase: 2AIR SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.239

wwPDB Validation Full Report


Literature

Macromolecules
Sequence Display for 2AIR

Classification: Transferase

Total Structure Weight: 103673.37

Macromolecule Entities
Molecule Chains Length Organism Details
Aspartate carbamoyltransferase catalytic chain A, G 310 Escherichia coli EC#: 2.1.3.2 IUBMB
Gene Name(s): pyrB b4245 JW4204
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
Aspartate carbamoyltransferase regulatory chain B, H 153 Escherichia coli Gene Name(s): pyrI b4244 JW4203
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
AL0
Query on AL0

A, G 3-[HYDROXY(NITROSO)AMINO]-L-ALANINE
L-ALANOSINE (Synonym)
C3 H7 N3 O4
MLFKVJCWGUZWNV-REOHCLBHSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CP
Query on CP

A, G PHOSPHORIC ACID MONO(FORMAMIDE)ESTER
C H4 N O5 P
FFQKYPRQEYGKAF-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ZN
Query on ZN

B, H ZINC ION
Zn
PTFCDOFLOPIGGS-UHFFFAOYSA-N
Ligand Explorer
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.273
  • R-Value Work: 0.239
  • Space Group: H 3
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 129.15 α = 90.00
b = 129.15 β = 90.00
c = 198.10 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2005-07-30
  • Released Date: 2006-01-24
  • Deposition author(s): Huang, J., Lipscomb, W.N.

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