SMTL ID : 4m2x.2 (3 other biounits)

Mycobacterium tuberculosis dihydrofolate reductase complexed with trimetrexate (TMQ)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.26 Å

Oligo State

monomer

Ligands

1 x NDP: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NDP.1: 31 residues within 4Å: Chain A: W.9, A.10, I.17, G.18, R.19, G.21, D.22, I.23, W.25, G.46, R.47, R.48, T.49, S.52, L.68, S.69, R.70, Q.71, G.83, I.97, G.98, G.99, G.100, Q.101, V.102, Y.103, L.105, A.129 Ligands: TMQ.2, ACT.4, ACT.6 25 PLIP interactions: 25 interactions with chain A Hydrophobic interactions: A:T.49 Hydrogen bonds: A:A.10, A:A.10, A:R.19, A:G.21, A:G.46, A:R.47, A:R.47, A:R.48, A:T.49, A:S.52, A:R.70, A:R.70, A:Q.71, A:Q.71, A:G.98, A:G.100, A:Q.101, A:Q.101, A:V.102 Water bridges: A:R.70 Salt bridges: A:R.47, A:R.48 pi-Cation interactions: A:R.70, A:R.70

1 x TMQ: TRIMETREXATE(Non-covalent)

TMQ.2: 16 residues within 4Å: Chain A: I.8, W.9, A.10, I.23, R.26, D.30, Q.31, F.34, L.53, P.54, L.60, I.97, Y.103, T.116 Ligands: NDP.1, ACT.3 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.23, A:F.34, A:L.53, A:I.97 Hydrogen bonds: A:I.8, A:Y.103, A:T.116, A:T.116 Water bridges: A:H.33 Salt bridges: A:D.30

6 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 6 residues within 4Å: Chain A: W.25, R.26, L.27, D.30, Q.31 Ligands: TMQ.2 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:Q.31 Hydrogen bonds: A:L.27, A:D.30 Salt bridges: A:R.26 ACT.4: 6 residues within 4Å: Chain A: G.18, R.19, G.20, G.21, G.127 Ligands: NDP.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:G.20, A:G.21 Salt bridges: A:R.48 ACT.5: 2 residues within 4Å: Chain A: M.4, L.89 2 PLIP interactions: 2 interactions with chain A Water bridges: A:M.4, A:M.4 ACT.6: 5 residues within 4Å: Chain A: Q.101, G.127, D.128, A.129 Ligands: NDP.1 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:Q.101 Salt bridges: A:R.48 ACT.7: 3 residues within 4Å: Chain A: L.134, D.135, Y.159 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.134 Hydrogen bonds: A:L.134 ACT.8: 4 residues within 4Å: Chain A: R.47, D.51, Q.71, F.74 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:Q.71, A:Q.71 Salt bridges: A:R.47

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jung, H. et al., Selective inhibitors for dihydrofolate reductase from mycobacterium tuberculosis. To be Published

Release Date

2014-11-12

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

Dihydrofolate reductase

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