SMTL ID : 3kfy.1

Dynamic switching and partial occupancies of a small molecule inhibitor complex of DHFR

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.08 Å

Oligo State

monomer

Ligands

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

NDP.1: 16 residues within 4Å: Chain A: G.43, R.44, H.45, T.46, L.62, S.63, S.64, K.76, V.78, G.95, G.96, G.97, R.98, V.99, Q.102, T.123 16 PLIP interactions: 16 interactions with chain A Hydrogen bonds: A:G.43, A:R.44, A:H.45, A:H.45, A:T.46, A:T.46, A:S.63, A:S.64, A:G.96, A:G.97, A:R.98, A:V.99, A:Q.102, A:Q.102 Salt bridges: A:R.44 pi-Cation interactions: A:R.98

1 x JZM: 5-[(4-chlorophenyl)sulfanyl]quinazoline-2,4-diamine(Covalent)

JZM.2: 13 residues within 4Å: Chain A: I.5, A.6, A.7, I.14, M.20, D.27, L.28, F.31, I.94, G.95, G.96, Y.100, T.113 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.28, A:F.31, A:I.94, A:Y.100 Hydrogen bonds: A:I.5, A:D.27 Water bridges: A:A.6 Salt bridges: A:D.27 pi-Stacking: A:F.31, A:F.31

3 x CA: CALCIUM ION(Non-covalent)

CA.3: 2 residues within 4Å: Chain A: D.116, H.149 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.116, A:H.149, H2O.2, H2O.3 CA.4: 1 residues within 4Å: Chain A: G.56 No protein-ligand interaction detected (PLIP) CA.5: 1 residues within 4Å: Chain A: R.158 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Collins, E.J. et al., Dynamic switching and partial occupancies of a small molecule inhibitor complex of DHFR. To be Published

Release Date

2010-12-08

Peptides

Dihydrofolate reductase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Dihydrofolate reductase

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