SMTL ID : 6des.1

Crystal structure of Candida albicans acetohydroxyacid synthase in complex with the herbicide propoxycarbazone

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-tetramer

Ligands

4 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.1: 38 residues within 4Å: Chain A: M.174, D.175, R.236, G.302, A.303, G.304, N.307, T.329, L.330, Q.331, M.346, L.347, G.348, M.349, H.350, G.351, G.369, A.370, R.371, D.373, R.375, V.376, F.401, E.402, I.403, S.404, N.407, G.420, D.421, V.422, V.492, Q.496, M.497, S.514, G.515, G.516 Chain D: F.196 Ligands: 6R4.4 31 PLIP interactions: 29 interactions with chain A, 2 interactions with chain D Hydrophobic interactions: A:L.330, A:V.492, D:F.196 Hydrogen bonds: A:M.174, A:R.236, A:A.303, A:G.304, A:N.307, A:T.329, A:L.330, A:Q.331, A:L.347, A:H.350, A:G.351, A:R.371, A:I.403, A:N.407, A:D.421, A:D.421, A:V.422, A:G.515 Water bridges: A:R.236, A:R.236, A:G.369, A:R.371, A:R.371, A:F.372, A:T.423 Salt bridges: A:R.236, A:R.371 pi-Stacking: D:F.196 FAD.6: 38 residues within 4Å: Chain B: M.174, D.175, R.236, G.302, A.303, G.304, N.307, T.329, L.330, Q.331, M.346, L.347, G.348, M.349, H.350, G.351, G.369, A.370, R.371, D.373, R.375, V.376, F.401, E.402, I.403, S.404, N.407, G.420, D.421, V.422, V.492, Q.496, M.497, S.514, G.515, G.516 Chain C: F.196 Ligands: 6R4.9 31 PLIP interactions: 29 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:L.330, B:V.492, C:F.196 Hydrogen bonds: B:M.174, B:R.236, B:A.303, B:G.304, B:N.307, B:T.329, B:L.330, B:Q.331, B:L.347, B:H.350, B:G.351, B:R.371, B:I.403, B:N.407, B:D.421, B:D.421, B:V.422, B:G.515 Water bridges: B:R.236, B:R.236, B:G.369, B:R.371, B:R.371, B:F.372, B:T.423 Salt bridges: B:R.236, B:R.371 pi-Stacking: C:F.196 FAD.11: 38 residues within 4Å: Chain B: F.196 Chain C: M.174, D.175, R.236, G.302, A.303, G.304, N.307, T.329, L.330, Q.331, M.346, L.347, G.348, M.349, H.350, G.351, G.369, A.370, R.371, D.373, R.375, V.376, F.401, E.402, I.403, S.404, N.407, G.420, D.421, V.422, V.492, Q.496, M.497, S.514, G.515, G.516 Ligands: 6R4.14 31 PLIP interactions: 29 interactions with chain C, 2 interactions with chain B Hydrophobic interactions: C:L.330, C:V.492, B:F.196 Hydrogen bonds: C:M.174, C:R.236, C:A.303, C:G.304, C:N.307, C:T.329, C:T.329, C:L.330, C:Q.331, C:L.347, C:H.350, C:G.351, C:R.371, C:I.403, C:N.407, C:D.421, C:V.422, C:G.515 Water bridges: C:R.236, C:R.236, C:G.369, C:R.371, C:R.371, C:F.372, C:T.423 Salt bridges: C:R.236, C:R.371 pi-Stacking: B:F.196 FAD.16: 38 residues within 4Å: Chain A: F.196 Chain D: M.174, D.175, R.236, G.302, A.303, G.304, N.307, T.329, L.330, Q.331, M.346, L.347, G.348, M.349, H.350, G.351, G.369, A.370, R.371, D.373, R.375, V.376, F.401, E.402, I.403, S.404, N.407, G.420, D.421, V.422, V.492, Q.496, M.497, S.514, G.515, G.516 Ligands: 6R4.19 31 PLIP interactions: 29 interactions with chain D, 2 interactions with chain A Hydrophobic interactions: D:L.330, D:V.492, A:F.196 Hydrogen bonds: D:M.174, D:R.236, D:A.303, D:G.304, D:N.307, D:T.329, D:T.329, D:L.330, D:Q.331, D:L.347, D:H.350, D:G.351, D:R.371, D:I.403, D:N.407, D:D.421, D:V.422, D:G.515 Water bridges: D:R.236, D:R.236, D:G.369, D:R.371, D:R.371, D:F.372, D:T.423 Salt bridges: D:R.236, D:R.371 pi-Stacking: A:F.196

4 x K: POTASSIUM ION(Non-covalent)

K.2: 5 residues within 4Å: Chain A: Q.338, D.345, A.500, Q.501, F.503 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.345, A:Q.501, A:F.503, H2O.2, H2O.14 K.7: 5 residues within 4Å: Chain B: Q.338, D.345, A.500, Q.501, F.503 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.345, B:Q.501, B:F.503, H2O.23, H2O.34 K.12: 5 residues within 4Å: Chain C: Q.338, D.345, A.500, Q.501, F.503 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:D.345, C:Q.501, C:F.503, H2O.43, H2O.54 K.17: 5 residues within 4Å: Chain D: Q.338, D.345, A.500, Q.501, F.503 5 PLIP interactions: 3 interactions with chain D, 2 Ligand-Water interactions Metal complexes: D:D.345, D:Q.501, D:F.503, H2O.63, H2O.74

4 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 5 residues within 4Å: Chain A: D.545, N.572, E.574, G.576 Ligands: TZD.5 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.545, A:E.574, H2O.4 MG.8: 5 residues within 4Å: Chain B: D.545, N.572, E.574, G.576 Ligands: TZD.10 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.545, B:E.574, H2O.24 MG.13: 5 residues within 4Å: Chain C: D.545, N.572, E.574, G.576 Ligands: TZD.15 3 PLIP interactions: 2 interactions with chain C, 1 Ligand-Water interactions Metal complexes: C:D.545, C:E.574, H2O.45 MG.18: 5 residues within 4Å: Chain D: D.545, N.572, E.574, G.576 Ligands: TZD.20 3 PLIP interactions: 2 interactions with chain D, 1 Ligand-Water interactions Metal complexes: D:D.545, D:E.574, H2O.65

4 x 6R4: methyl 2-[(4-methyl-5-oxidanylidene-3-propoxy-1,2,4-triazol-1-yl)carbonylsulfamoyl]benzoate(Non-covalent)

6R4.4: 15 residues within 4Å: Chain A: M.349, D.374, R.375, W.581, A.652 Chain D: G.111, A.112, V.186, P.187, A.190, A.195, F.196, Q.197, K.246 Ligands: FAD.1 11 PLIP interactions: 7 interactions with chain D, 4 interactions with chain A Hydrophobic interactions: D:V.186, D:A.190, D:A.195, D:F.196 Hydrogen bonds: D:K.246, D:K.246, A:R.375, A:R.375 Salt bridges: D:K.246 pi-Stacking: A:W.581 pi-Cation interactions: A:R.375 6R4.9: 15 residues within 4Å: Chain B: M.349, D.374, R.375, W.581, A.652 Chain C: G.111, A.112, V.186, P.187, A.190, A.195, F.196, Q.197, K.246 Ligands: FAD.6 11 PLIP interactions: 7 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:V.186, C:A.190, C:A.195, C:F.196 Hydrogen bonds: C:K.246, C:K.246, B:R.375, B:R.375 Salt bridges: C:K.246 pi-Stacking: B:W.581 pi-Cation interactions: B:R.375 6R4.14: 15 residues within 4Å: Chain B: G.111, A.112, V.186, P.187, A.190, A.195, F.196, Q.197, K.246 Chain C: M.349, D.374, R.375, W.581, A.652 Ligands: FAD.11 11 PLIP interactions: 7 interactions with chain B, 4 interactions with chain C Hydrophobic interactions: B:V.186, B:A.190, B:A.195, B:F.196 Hydrogen bonds: B:K.246, B:K.246, C:R.375, C:R.375 Salt bridges: B:K.246 pi-Stacking: C:W.581 pi-Cation interactions: C:R.375 6R4.19: 15 residues within 4Å: Chain A: G.111, A.112, V.186, P.187, A.190, A.195, F.196, Q.197, K.246 Chain D: M.349, D.374, R.375, W.581, A.652 Ligands: FAD.16 11 PLIP interactions: 7 interactions with chain A, 4 interactions with chain D Hydrophobic interactions: A:V.186, A:A.190, A:A.195, A:F.196 Hydrogen bonds: A:K.246, A:K.246, D:R.375, D:R.375 Salt bridges: A:K.246 pi-Stacking: D:W.581 pi-Cation interactions: D:R.375

4 x TZD: 2-{3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-4-METHYL-2-OXO-2,3-DIHYDRO-1,3-THIAZOL-5-YL}ETHYL TRIHYDROGEN DIPHOSPHATE(Non-covalent)

TZD.5: 26 residues within 4Å: Chain A: V.492, G.493, Q.494, H.495, G.518, M.520, G.544, D.545, A.546, S.547, M.550, N.572, E.574, Q.575, G.576, M.577, V.578 Chain D: Y.108, A.109, G.110, E.134, T.157, P.160, N.164, Q.197 Ligands: MG.3 18 PLIP interactions: 15 interactions with chain A, 3 interactions with chain D Hydrophobic interactions: A:Q.575, D:Y.108, D:P.160 Hydrogen bonds: A:V.492, A:Q.494, A:H.495, A:G.518, A:M.520, A:D.545, A:A.546, A:S.547, A:N.572, A:N.572, A:G.576, A:M.577, D:Q.197 Salt bridges: A:H.495, A:H.495 TZD.10: 26 residues within 4Å: Chain B: V.492, G.493, Q.494, H.495, G.518, M.520, G.544, D.545, A.546, S.547, M.550, N.572, E.574, Q.575, G.576, M.577, V.578 Chain C: Y.108, A.109, G.110, E.134, T.157, P.160, N.164, Q.197 Ligands: MG.8 18 PLIP interactions: 3 interactions with chain C, 15 interactions with chain B Hydrophobic interactions: C:Y.108, C:P.160, B:Q.575 Hydrogen bonds: C:Q.197, B:V.492, B:Q.494, B:H.495, B:G.518, B:M.520, B:D.545, B:A.546, B:S.547, B:N.572, B:N.572, B:G.576, B:M.577 Salt bridges: B:H.495, B:H.495 TZD.15: 26 residues within 4Å: Chain B: Y.108, A.109, G.110, E.134, T.157, P.160, N.164, Q.197 Chain C: V.492, G.493, Q.494, H.495, G.518, M.520, G.544, D.545, A.546, S.547, M.550, N.572, E.574, Q.575, G.576, M.577, V.578 Ligands: MG.13 19 PLIP interactions: 15 interactions with chain C, 4 interactions with chain B Hydrophobic interactions: C:Q.575, B:Y.108, B:P.160 Hydrogen bonds: C:V.492, C:Q.494, C:H.495, C:G.518, C:M.520, C:D.545, C:A.546, C:S.547, C:N.572, C:N.572, C:G.576, C:M.577, B:Q.197 Salt bridges: C:H.495, C:H.495 Water bridges: B:E.134 TZD.20: 26 residues within 4Å: Chain A: Y.108, A.109, G.110, E.134, T.157, P.160, N.164, Q.197 Chain D: V.492, G.493, Q.494, H.495, G.518, M.520, G.544, D.545, A.546, S.547, M.550, N.572, E.574, Q.575, G.576, M.577, V.578 Ligands: MG.18 19 PLIP interactions: 15 interactions with chain D, 4 interactions with chain A Hydrophobic interactions: D:Q.575, A:Y.108, A:P.160 Hydrogen bonds: D:V.492, D:Q.494, D:H.495, D:G.518, D:M.520, D:D.545, D:A.546, D:S.547, D:N.572, D:N.572, D:G.576, D:M.577, A:Q.197 Salt bridges: D:H.495, D:H.495 Water bridges: A:E.134

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Garcia, M.D. et al., Commercial AHAS-inhibiting herbicides are promising drug leads for the treatment of human fungal pathogenic infections. Proc. Natl. Acad. Sci. U.S.A. (2018)

Release Date

2018-09-26

Peptides

Acetolactate synthase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

D
A

Acetolactate synthase

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