SMTL ID : 2cig.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x 1DG: (4R)-ISONICOTINIC-ACETYL-NICOTINAMIDE-ADENINE DINUCLEOTIDE(Non-covalent)

1DG.1: 32 residues within 4Å: Chain A: I.5, W.6, A.7, I.14, G.15, R.16, G.18, D.19, I.20, D.27, F.31, G.43, R.44, R.45, V.46, L.65, S.66, R.67, Q.68, G.80, I.94, G.95, G.96, G.97, Q.98, V.99, Y.100, L.102, A.126 Ligands: GOL.2, GOL.3, GOL.5 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:V.46 Hydrogen bonds: A:A.7, A:I.14, A:R.16, A:G.18, A:G.18, A:G.43, A:R.44, A:R.44, A:R.45, A:V.46, A:S.49, A:S.49, A:R.67, A:Q.68, A:Q.68, A:G.96, A:G.97, A:Q.98, A:Q.98, A:V.99, A:Y.100 Water bridges: A:R.45, A:R.67, A:R.67, A:L.82, A:Q.98 Salt bridges: A:R.44, A:R.45 pi-Cation interactions: A:R.67, A:R.67

4 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 8 residues within 4Å: Chain A: G.15, R.16, G.17, G.18, R.45, G.124, A.126 Ligands: 1DG.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.16, A:G.18, A:R.45 Water bridges: A:G.17 GOL.3: 7 residues within 4Å: Chain A: R.45, G.97, Q.98, G.124, D.125, A.126 Ligands: 1DG.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.45, A:Q.98 Water bridges: A:R.45, A:L.127 GOL.4: 6 residues within 4Å: Chain A: Q.8, T.10, V.112, E.114, Y.154, Y.156 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.10, A:Y.156 GOL.5: 4 residues within 4Å: Chain A: F.31, L.50, L.57 Ligands: 1DG.1 No protein-ligand interaction detected (PLIP)

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.6: 2 residues within 4Å: Chain A: R.44, R.45 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.44, A:R.45 SO4.7: 1 residues within 4Å: Chain A: R.152 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.152

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Argyrou, A. et al., Mycobacterium Tuberculosis Dihydrofolate Reductase is a Target for Isoniazid. Nat.Struct.Mol.Biol. (2006)

Release Date

2006-04-25

Peptides

DIHYDROFOLATE REDUCTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

DIHYDROFOLATE REDUCTASE