SMTL ID : 3fqc.2 (1 other biounit)

Staphylococcus aureus dihydrofolate reductase complexed with NADPH and 2,4-diamino-5-[3-(3,4,5-trimethoxyphenyl)pent-1-ynyl]-6-methylpyrimidine (UCP115A)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.35 Å

Oligo State

homo-dimer

Ligands

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

NDP.1: 25 residues within 4Å: Chain A: V.6, A.7, I.14, G.15, N.18, Q.19, L.20, G.43, R.44, K.45, T.46, L.62, T.63, S.64, H.77, I.79, F.92, G.93, G.94, Q.95, T.96, L.97, E.100, T.121 Ligands: 55V.2 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:T.46 Hydrogen bonds: A:A.7, A:I.14, A:N.18, A:N.18, A:G.43, A:G.43, A:R.44, A:K.45, A:T.46, A:T.46, A:T.63, A:S.64, A:G.94, A:Q.95, A:T.96, A:L.97, A:E.100 Water bridges: A:S.64, A:T.121 Salt bridges: A:R.44 NDP.3: 26 residues within 4Å: Chain B: V.6, A.7, I.14, G.15, N.18, Q.19, L.20, G.43, R.44, K.45, T.46, L.62, T.63, S.64, D.65, H.77, I.79, F.92, G.93, G.94, Q.95, T.96, L.97, E.100, T.121 Ligands: 55V.4 23 PLIP interactions: 23 interactions with chain B Hydrophobic interactions: B:T.46 Hydrogen bonds: B:A.7, B:I.14, B:N.18, B:N.18, B:G.43, B:G.43, B:R.44, B:R.44, B:K.45, B:T.46, B:S.64, B:D.65, B:G.94, B:Q.95, B:T.96, B:T.96, B:L.97, B:E.100, B:T.121 Water bridges: B:S.49, B:T.121 Salt bridges: B:R.44

2 x 55V: 6-methyl-5-[3-methyl-3-(3,4,5-trimethoxyphenyl)but-1-yn-1-yl]pyrimidine-2,4-diamine(Non-covalent)

55V.2: 14 residues within 4Å: Chain A: L.5, V.6, A.7, L.20, D.27, L.28, V.31, T.46, S.49, I.50, L.54, F.92, T.111 Ligands: NDP.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.20, A:L.20, A:T.46, A:I.50, A:I.50, A:F.92 Hydrogen bonds: A:L.5, A:T.111 Water bridges: A:T.111 Salt bridges: A:D.27 55V.4: 13 residues within 4Å: Chain B: L.5, V.6, A.7, L.20, D.27, L.28, V.31, T.46, I.50, L.54, F.92, T.111 Ligands: NDP.3 11 PLIP interactions: 11 interactions with chain B Hydrophobic interactions: B:L.20, B:L.20, B:L.28, B:T.46, B:I.50, B:F.92, B:F.92 Hydrogen bonds: B:L.5, B:T.111, B:T.111 Salt bridges: B:D.27

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Frey, K.M. et al., Crystal structures of wild-type and mutant methicillin-resistant Staphylococcus aureus dihydrofolate reductase reveal an alternate conformation of NADPH that may be linked to trimethoprim resistance. J.Mol.Biol. (2009)

Release Date

2009-03-24

Peptides

Trimethoprim-sensitive dihydrofolate reductase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Trimethoprim-sensitive dihydrofolate reductase

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