SMTL ID : 4qjz.1

Pneumocystis carinii dihydrofolate reductase ternary complex with NADPH and the inhibitor 24, (N~6~-METHYL-N~6~-(NAPHTHALEN-1-YL)PYRIDO[2,3-D]PYRIMIDINE-2,4,6-TRIAMINE)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.61 Å

Oligo State

monomer

Ligands

1 x 33M: N~6~-methyl-N~6~-(naphthalen-1-yl)pyrido[2,3-d]pyrimidine-2,4,6-triamine(Non-covalent)

33M.1: 14 residues within 4Å: Chain A: I.10, V.11, A.12, L.25, E.32, I.33, F.36, T.61, P.66, L.72, I.123, Y.129, T.144 Ligands: NDP.2 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:L.25, A:I.33, A:I.33, A:F.36, A:F.36, A:F.36, A:L.72 Hydrogen bonds: A:I.10, A:V.11, A:A.12, A:Y.129, A:T.144 Salt bridges: A:E.32

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

NDP.2: 27 residues within 4Å: Chain A: V.11, A.12, I.19, G.20, R.21, N.23, S.24, L.25, W.27, G.58, R.59, K.60, T.61, I.80, T.81, R.82, N.83, K.96, I.123, G.124, G.125, A.126, Q.127, L.128, Y.129, A.131 Ligands: 33M.1 24 PLIP interactions: 24 interactions with chain A Hydrophobic interactions: A:L.25, A:T.61 Hydrogen bonds: A:A.12, A:I.19, A:R.21, A:N.23, A:G.58, A:G.58, A:R.59, A:R.59, A:K.60, A:T.61, A:T.81, A:R.82, A:N.83, A:G.125, A:A.126, A:Q.127, A:Q.127, A:L.128 Water bridges: A:L.98, A:Q.127, A:A.131 Salt bridges: A:R.59

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cody, V. et al., Structure-activity correlations for three pyrido[2,3-d]pyrimidine antifolates binding to human and Pneumocystis carinii dihydrofolate reductase. Acta Crystallogr F Struct Biol Commun (2015)

Release Date

2015-06-10

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

Dihydrofolate reductase

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