SMTL ID : 3s3v.1 (1 other biounit)

human dihydrofolate reductase Q35K/N64F double mutant binary complex with trimethoprim

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.53 Å

Oligo State

monomer

Ligands

2 x TOP: TRIMETHOPRIM(Non-covalent)

TOP.1: 15 residues within 4Å: Chain A: I.7, V.8, A.9, E.30, F.31, F.34, K.35, T.56, I.60, F.64, L.67, V.115, Y.121, T.136 Ligands: TOP.7 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:F.34 Hydrogen bonds: A:I.7, A:K.35, A:Y.121, A:T.136, A:T.136 Water bridges: A:A.9, A:R.70 Salt bridges: A:E.30 pi-Stacking: A:F.34 TOP.7: 10 residues within 4Å: Chain A: G.20, D.21, L.22, F.31, S.59, I.60, P.61, F.64 Ligands: TOP.1, SO4.5 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:L.22, A:F.31

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

SO4.2: 6 residues within 4Å: Chain A: G.53, K.54, K.55, T.56, G.117, V.120 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:G.53, A:K.55, A:T.56, A:T.56, A:G.117 Water bridges: A:K.54, A:S.119 SO4.3: 4 residues within 4Å: Chain A: K.54, S.76, R.77, E.78 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.77, A:E.78, A:E.78, A:E.78 Water bridges: A:L.75 Salt bridges: A:K.54 SO4.4: 4 residues within 4Å: Chain A: V.165, L.166, S.167, D.168 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:S.167, A:D.168 Water bridges: A:V.165, A:S.167, A:S.167 SO4.5: 4 residues within 4Å: Chain A: K.63, F.64 Ligands: SO4.6, TOP.7 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.63 SO4.6: 2 residues within 4Å: Chain A: K.63 Ligands: SO4.5 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cody, V. et al., Crystallographic analysis reveals a novel second binding site for trimethoprim in active site double mutants of human dihydrofolate reductase. J.Struct.Biol. (2011)

Release Date

2011-09-28

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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