SMTL ID : 1vj3.1

STRUCTURAL STUDIES ON BIO-ACTIVE COMPOUNDS. CRYSTAL STRUCTURE AND MOLECULAR MODELING STUDIES ON THE PNEUMOCYSTIS CARINII DIHYDROFOLATE REDUCTASE COFACTOR COMPLEX WITH TAB, A HIGHLY SELECTIVE ANTIFOLATE.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

monomer

Ligands

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

NDP.1: 27 residues within 4Å: Chain A: V.10, A.11, I.18, G.19, N.22, S.23, L.24, W.26, G.57, R.58, K.59, T.60, I.79, T.80, R.81, N.82, K.95, I.122, G.123, G.124, A.125, Q.126, L.127, Y.128, A.130, V.153 Ligands: TAB.2 20 PLIP interactions: 20 interactions with chain A Hydrophobic interactions: A:Y.128 Hydrogen bonds: A:A.11, A:I.18, A:R.20, A:R.58, A:R.58, A:K.59, A:T.60, A:S.63, A:S.63, A:R.81, A:N.82, A:G.124, A:A.125, A:Q.126, A:Q.126, A:L.127 Water bridges: A:N.22, A:L.97 Salt bridges: A:R.58

1 x TAB: ACETIC ACID N-[2-CHLORO-5-[6-ETHYL-2,4-DIAMINO-PYRIMID-5-YL]-PHENYL]-[BENZYL-TRIAZEN-3-YL]ETHYL ESTER(Non-covalent)

TAB.2: 18 residues within 4Å: Chain A: I.9, V.10, L.24, W.26, E.31, I.32, F.35, K.36, T.60, S.63, P.65, F.68, L.71, R.74, I.122, Y.128, T.143 Ligands: NDP.1 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:L.24, A:L.24, A:I.32, A:I.32, A:F.35, A:K.36, A:P.65, A:F.68 Hydrogen bonds: A:I.9, A:V.10, A:Y.128, A:T.143 Salt bridges: A:E.31, A:R.74 Halogen bonds: A:S.63

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cody, V. et al., Structural studies on bioactive compounds. 30. Crystal structure and molecular modeling studies on the Pneumocystis carinii dihydrofolate reductase cofactor complex with TAB, a highly selective antifolate. Biochemistry (2000)

Release Date

2004-01-20

Peptides

DIHYDROFOLATE REDUCTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

DIHYDROFOLATE REDUCTASE