2CIG

Dihydrofolate reductase from Mycobacterium tuberculosis inhibited by the acyclic 4R isomer of INH-NADP a derivative of the prodrug isoniazid.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.212
  • R-Value Work: 0.178

Literature

Macromolecules
Sequence Display for 2CIG

Classification: OXIDOREDUCTASE

Total Structure Weight: 19070.04

Macromolecule Entities
Molecule Chains Length Organism Details
DIHYDROFOLATE REDUCTASE A 159 Mycobacterium tuberculosis EC#: 1.5.1.3 IUBMB
Mutation: T46V
Gene Name(s): folA dfrA Rv2763c MTV002.28c
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 3 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
1DG
Query on 1DG

A (4R)-ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE
C27 H33 N8 O18 P3
FPZCWRGJBUDVSB-MXUAFQDZSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

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

A GLYCEROL
2, (Synonym)
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
External Ligand Annotations
ID Binding Affinity (Sequence Identity %)
1DG N/A in BindingDB
Ki: 1 nM  BindingMOAD
N/A in PDBbind

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.9 Å
  • R-Value Free: 0.212
  • R-Value Work: 0.178
  • Space Group: P 41

Unit Cell:

Length (Å) Angle (°)
a = 60.67 α = 90.00
b = 60.67 β = 90.00
c = 59.15 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2006-03-20
  • Released Date: 2006-04-25
  • Deposition author(s): Argyrou, A., Vetting, M.W., Aladegbami, B., Blanchard, J.S.

Revision History

  • Version 1_0: 2006-04-25

    Type: Initial release

  • Version 1_1: 2011-05-08

    Type: Version format compliance

  • Version 1_2: 2011-07-13

    Type: Version format compliance