SMTL ID : 1s3v.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

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

SO4.1: 9 residues within 4Å: Chain A: G.53, K.54, K.55, T.56, G.116, G.117, S.118, S.119, V.120 10 PLIP interactions: 10 interactions with chain A Hydrogen bonds: A:G.53, A:K.55, A:T.56, A:T.56, A:G.117, A:S.118, A:V.120 Water bridges: A:K.54, A:S.119, A:S.119 SO4.2: 3 residues within 4Å: Chain A: S.76, R.77, E.78 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.77, A:E.78, A:E.78 Water bridges: A:K.54

1 x TQD: (2R,6S)-6-{[METHYL(3,4,5-TRIMETHOXYPHENYL)AMINO]METHYL}-1,2,5,6,7,8-HEXAHYDROQUINAZOLINE-2,4-DIAMINE(Non-covalent)

TQD.3: 17 residues within 4Å: Chain A: I.7, V.8, A.9, D.21, L.22, E.30, F.31, F.34, Q.35, S.59, I.60, P.61, N.64, L.67, V.115, Y.121, T.136 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:F.31, A:F.31, A:F.34 Hydrogen bonds: A:I.7, A:V.8, A:T.136 Water bridges: A:A.9, A:A.9, A:Y.121 Salt bridges: A:E.30 pi-Stacking: A:F.34

Links

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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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