1CLA

EVIDENCE FOR TRANSITION-STATE STABILIZATION BY SERINE-148 IN THE CATALYTIC MECHANISM OF CHLORAMPHENICOL ACETYLTRANSFERASE


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.34 Å
  • R-Value Observed: 0.172

Literature

Macromolecules
Sequence Display for 1CLA

Classification: TRANSFERASE (ACYLTRANSFERASE)

Total Structure Weight: 25446.49

Macromolecule Entities
Molecule Chains Length Organism Details
TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE A 213 Escherichia coli EC#: 2.3.1.28 IUBMB
Mutation: S148A
Gene Name(s): cat3
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A CHLORAMPHENICOL
C11 H12 Cl2 N2 O5
WIIZWVCIJKGZOK-RKDXNWHRSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
CO
Query on CO

A COBALT (II) ION
Co
XLJKHNWPARRRJB-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.34 Å
  • R-Value Observed: 0.172
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 107.34 α = 90.00
b = 107.34 β = 90.00
c = 123.28 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1989-10-16
  • Released Date: 1990-07-15
  • Deposition author(s): Gibbs, M.R., Leslie, A.G.W.

Revision History

  • 2008-03-24
    Type: Version format compliance
  • 2011-07-13
    Type: Derived calculations, Version format compliance