SMTL ID : 3um6.1

Double mutant (A16V+S108T) Plasmodium falciparum DHFR-TS (T9/94) complexed with cycloguanil, NADPH and dUMP

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.65 Å

Oligo State

homo-dimer

Ligands

2 x 1CY: 1-(4-chlorophenyl)-6,6-dimethyl-1,6-dihydro-1,3,5-triazine-2,4-diamine(Non-covalent)

1CY.1: 13 residues within 4Å: Chain A: I.14, C.15, V.16, L.46, D.54, M.55, F.58, T.108, I.112, I.164, Y.170, T.185 Ligands: NDP.2 13 PLIP interactions: 13 interactions with chain A Hydrophobic interactions: A:V.16, A:L.46, A:F.58, A:T.108, A:I.164 Hydrogen bonds: A:I.14, A:C.15, A:Y.170, A:T.185 Salt bridges: A:D.54 pi-Stacking: A:F.58, A:F.58 Halogen bonds: A:T.108 1CY.4: 11 residues within 4Å: Chain B: I.14, C.15, V.16, D.54, F.58, T.108, I.112, I.164, Y.170, T.185 Ligands: NDP.5 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:V.16, B:F.58, B:I.164 Hydrogen bonds: B:I.14, B:C.15, B:T.185 Salt bridges: B:D.54 pi-Stacking: B:F.58, B:F.58 Halogen bonds: B:T.108

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

NDP.2: 28 residues within 4Å: Chain A: C.15, V.16, L.40, G.41, N.42, G.44, V.45, L.46, G.105, R.106, T.107, T.108, L.127, S.128, R.129, T.130, N.144, K.145, V.146, I.164, G.165, G.166, S.167, V.168, V.169, Y.170, E.172 Ligands: 1CY.1 34 PLIP interactions: 34 interactions with chain A Hydrophobic interactions: A:T.108, A:Y.170 Hydrogen bonds: A:V.16, A:L.40, A:N.42, A:G.44, A:G.105, A:G.105, A:R.106, A:T.107, A:T.107, A:T.108, A:S.128, A:R.129, A:T.130, A:T.130, A:G.166, A:S.167, A:V.168, A:V.169, A:E.172 Water bridges: A:G.41, A:G.44, A:R.129, A:R.129, A:R.129, A:R.129, A:R.129, A:R.129, A:R.129, A:R.129, A:V.146 Salt bridges: A:R.106 pi-Cation interactions: A:R.129 NDP.5: 28 residues within 4Å: Chain B: C.15, V.16, L.40, G.41, N.42, G.44, V.45, L.46, G.105, R.106, T.107, T.108, L.127, S.128, R.129, T.130, N.144, V.146, I.164, G.165, G.166, S.167, V.168, V.169, Y.170, E.172, V.195 Ligands: 1CY.4 24 PLIP interactions: 24 interactions with chain B Hydrophobic interactions: B:T.108, B:Y.170 Hydrogen bonds: B:V.16, B:L.40, B:N.42, B:G.44, B:G.44, B:G.105, B:G.105, B:R.106, B:T.107, B:T.107, B:T.108, B:T.108, B:S.128, B:R.129, B:T.130, B:G.166, B:S.167, B:V.168, B:V.169, B:Y.170, B:E.172 Salt bridges: B:R.106

2 x UMP: 2'-DEOXYURIDINE 5'-MONOPHOSPHATE(Non-covalent)

UMP.3: 15 residues within 4Å: Chain A: R.345, C.490, H.491, Q.509, R.510, S.511, C.512, D.513, G.517, V.518, N.521, H.551, Y.553 Chain B: R.470, R.471 13 PLIP interactions: 11 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:D.513 Hydrogen bonds: A:Q.509, A:S.511, A:S.511, A:D.513, A:V.518, A:N.521, A:N.521, A:H.551 Salt bridges: A:R.345, A:R.510, B:R.470, B:R.471 UMP.6: 15 residues within 4Å: Chain A: R.470, R.471 Chain B: R.345, C.490, H.491, Q.509, R.510, S.511, C.512, D.513, G.517, V.518, N.521, H.551, Y.553 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:Q.509, B:S.511, B:D.513, B:V.518, B:N.521, B:N.521, B:H.551, B:Y.553 Salt bridges: B:R.345, B:R.510, A:R.470, A:R.471

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vanichtanankul, J. et al., Combined Spatial Limitation around Residues 16 and 108 of Plasmodium falciparum Dihydrofolate Reductase Explains Resistance to Cycloguanil. Antimicrob.Agents Chemother. (2012)

Release Date

2012-07-18

Peptides

Bifunctional dihydrofolate reductase-thymidylate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Bifunctional dihydrofolate reductase-thymidylate synthase

Related Entries With Identical Sequence