1CIA

REPLACEMENT OF CATALYTIC HISTIDINE-195 OF CHLORAMPHENICOL ACETYLTRANSFERASE: EVIDENCE FOR A GENERAL BASE ROLE FOR GLUTAMATE

Structural Biology Knowledgebase: 1CIA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.5 Å
  • R-Value Observed: 0.131

Literature

Macromolecules
Sequence Display for 1CIA

Classification: TRANSFERASE(ACYLTRANSFERASE)

Total Structure Weight: 25207.66

Macromolecule Entities
Molecule Chains Length Organism Details
CHLORAMPHENICOL ACETYLTRANSFERASE A 213 Escherichia coli EC#: 2.3.1.28 IUBMB
Mutation: H195Q
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
BME
Query on BME

A BETA-MERCAPTOETHANOL
C2 H6 O S
DGVVWUTYPXICAM-UHFFFAOYSA-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: 2.5 Å
  • R-Value Observed: 0.131
  • Space Group: H 3 2

Unit Cell:

Length (Å) Angle (°)
a = 107.64 α = 90.00
b = 107.64 β = 90.00
c = 124.13 γ = 120.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1993-07-19
  • Released Date: 1994-01-31
  • Deposition author(s): Leslie, A.G.W., Gibbs, M.R.

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