1JHA

Structural Investigation of the Biosynthesis of Alternative Lower Ligands for Cobamides by Nicotinate Mononucleotide:5,6-Dimethylbenzimidazole Phosphoribosyltransferase (CobT) from Salmonella enterica

Structural Biology Knowledgebase: 1JHA SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.178

Literature

Macromolecules
Sequence Display for 1JHA

Classification: TRANSFERASE

Total Structure Weight: 37146.15

Macromolecule Entities
Molecule Chains Length Organism Details
Nicotinate Mononucleotide:5,6-Dimethylbenzimidazole Phosphoribosyltransferase A 356 Salmonella enterica EC#: 2.4.2.21 IUBMB
Mutation: A159T
Gene Name(s): cobT STM2016
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

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

A ALPHA-ADENOSINE MONOPHOSPHATE
C10 H14 N5 O7 P
NVOIXARBSSLBAS-CRKDRTNXSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
NIO
Query on NIO

A NICOTINIC ACID
C6 H5 N O2
PVNIIMVLHYAWGP-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.0 Å
  • R-Value Free: 0.275
  • R-Value Work: 0.178
  • Space Group: P 21 21 2
  • Electron Density Server: EDS EDS

Unit Cell:

Length (Å) Angle (°)
a = 71.64 α = 90.00
b = 89.92 β = 90.00
c = 47.63 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2001-06-27
  • Released Date: 2001-09-26
  • Deposition author(s): Cheong, C.-G., Escalante-Semerena, J., Rayment, I.

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