SMTL ID : 1s3w.1

Structure Determination of Tetrahydroquinazoline Antifoaltes in Complex with Human and Pneumocystis carinii Dihydrofolate Reductase: Correlations of Enzyme Selectivity and Stereochemistry

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

monomer

Ligands

1 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.1: 30 residues within 4Å: Chain A: V.8, A.9, I.16, G.17, K.18, G.20, D.21, L.22, W.24, G.53, K.54, K.55, T.56, S.59, L.75, S.76, R.77, E.78, R.91, S.92, V.115, G.116, G.117, S.118, S.119, V.120, Y.121, E.123, T.146 Ligands: TQT.2 22 PLIP interactions: 22 interactions with chain A Hydrophobic interactions: A:T.56 Hydrogen bonds: A:A.9, A:I.16, A:K.18, A:G.20, A:G.20, A:G.53, A:K.54, A:K.55, A:T.56, A:S.59, A:S.76, A:R.77, A:R.77, A:E.78, A:G.117, A:S.118, A:E.123, A:E.123 Salt bridges: A:K.54, A:K.55 pi-Cation interactions: A:R.77

1 x TQT: 6-(OCTAHYDRO-1H-INDOL-1-YLMETHYL)DECAHYDROQUINAZOLINE-2,4-DIAMINE(Non-covalent)

TQT.2: 14 residues within 4Å: Chain A: I.7, V.8, A.9, D.21, L.22, E.30, F.31, F.34, S.59, P.61, V.115, Y.121, T.136 Ligands: NAP.1 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.22, A:L.22, A:F.31, A:F.31, A:F.34, A:F.34, A:F.34 Hydrogen bonds: A:I.7, A:I.7, A:V.8, A:Y.121, A:T.136 Salt bridges: A:E.30

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cody, V. et al., Structure determination of tetrahydroquinazoline antifolates in complex with human and Pneumocystis carinii dihydrofolate reductase: correlations between enzyme selectivity and stereochemistry. Acta Crystallogr.,Sect.D (2004)

Release Date

2004-03-30

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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