SMTL ID : 3dau.1

Crystal structure of the ternary MTX NADPH complex of Escherichia coli dihydrofolate reductase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

1 x MTX: METHOTREXATE(Non-covalent)

MTX.1: 19 residues within 4Å: Chain A: I.5, A.6, A.7, M.20, P.25, D.27, L.28, A.29, F.31, K.32, S.49, I.50, R.52, L.54, R.57, I.94, Y.100, T.113 Ligands: NDP.2 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:L.28, A:F.31, A:L.54 Hydrogen bonds: A:I.5, A:A.6, A:R.52, A:R.52, A:T.113 Water bridges: A:A.6, A:D.27, A:D.27 Salt bridges: A:D.27, A:K.32, A:R.57

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

NDP.2: 29 residues within 4Å: Chain A: A.6, A.7, I.14, G.15, M.16, N.18, A.19, M.20, W.22, G.43, R.44, H.45, T.46, L.62, S.63, S.64, K.76, S.77, V.78, I.94, G.95, G.96, G.97, R.98, V.99, Y.100, Q.102, T.123 Ligands: MTX.1 31 PLIP interactions: 31 interactions with chain A Hydrophobic interactions: A:T.46 Hydrogen bonds: A:A.7, A:I.14, A:M.16, A:N.18, A:A.19, A:G.43, A:R.44, A:H.45, A:T.46, A:S.63, A:S.64, A:G.96, A:G.97, A:R.98, A:V.99, A:Y.100, A:Q.102, A:Q.102, A:T.123 Water bridges: A:N.18, A:N.18, A:S.49, A:S.49, A:S.64, A:V.78, A:R.98, A:T.123 Salt bridges: A:R.44, A:H.45, A:H.45

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bennett, B.C. et al., X-ray structure of the ternary MTX.NADPH complex of the anthrax dihydrofolate reductase: a pharmacophore for dual-site inhibitor design. J.Struct.Biol. (2009)

Release Date

2009-04-14

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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