SMTL ID : 1t9d.2 (1 other biounit)

Crystal Structure Of Yeast Acetohydroxyacid Synthase In Complex With A Sulfonylurea Herbicide, Metsulfuron methyl

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 5 residues within 4Å: Chain A: Q.333, D.340, A.495, Q.496, W.498 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:Q.496, A:W.498, H2O.3 K.8: 5 residues within 4Å: Chain B: Q.333, D.340, A.495, Q.496, W.498 4 PLIP interactions: 3 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.340, B:Q.496, B:W.498, H2O.18

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 5 residues within 4Å: Chain A: D.540, N.567, E.569, G.571 Ligands: P22.7 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.540, A:E.569, H2O.13 MG.9: 5 residues within 4Å: Chain B: D.540, N.567, E.569, G.571 Ligands: P22.10 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.540, B:E.569, H2O.18

2 x 1MM: METHYL 2-[({[(4-METHOXY-6-METHYL-1,3,5-TRIAZIN-2-YL)AMINO]CARBONYL}AMINO)SULFONYL]BENZOATE(Non-covalent)

1MM.3: 16 residues within 4Å: Chain A: G.106, A.107, V.181, P.182, A.185, A.190, F.191, Q.192, K.241 Chain B: M.344, D.369, R.370, M.572, V.573, W.576 Ligands: FAD.11 11 PLIP interactions: 4 interactions with chain A, 7 interactions with chain B Hydrophobic interactions: A:V.181, A:A.185, A:A.190, B:V.573, B:W.576 Water bridges: A:G.106 Hydrogen bonds: B:R.370, B:R.370 pi-Stacking: B:W.576, B:W.576 pi-Cation interactions: B:R.370 1MM.6: 15 residues within 4Å: Chain A: M.344, D.369, R.370, M.572, V.573, W.576 Chain B: G.106, A.107, V.181, P.182, A.190, F.191, Q.192, K.241 Ligands: FAD.4 13 PLIP interactions: 6 interactions with chain B, 7 interactions with chain A Hydrophobic interactions: B:V.181, B:A.190, A:W.576 Hydrogen bonds: B:K.241, B:K.241, B:K.241, A:R.370, A:R.370 Salt bridges: B:K.241 Water bridges: A:G.647 pi-Stacking: A:W.576, A:W.576 pi-Cation interactions: A:R.370

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

FAD.4: 38 residues within 4Å: Chain A: D.170, R.231, G.297, A.298, G.299, N.302, T.324, L.325, Q.326, M.341, L.342, G.343, M.344, H.345, G.346, G.364, A.365, R.366, D.368, R.370, V.371, F.396, E.397, V.398, N.402, G.415, D.416, A.417, V.487, Q.491, M.492, S.509, G.510, G.511, G.513, M.572 Chain B: F.191 Ligands: 1MM.6 28 PLIP interactions: 27 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.325, A:V.487, B:F.191 Hydrogen bonds: A:R.231, A:A.298, A:G.299, A:T.324, A:L.325, A:L.342, A:H.345, A:A.365, A:R.366, A:V.398, A:D.416, A:A.417, A:G.510 Water bridges: A:D.170, A:D.170, A:D.170, A:R.231, A:R.231, A:Q.326, A:G.364, A:F.367, A:D.368, A:T.418 Salt bridges: A:R.231, A:R.366 FAD.11: 37 residues within 4Å: Chain A: F.191 Chain B: D.170, R.231, G.297, A.298, G.299, N.302, T.324, L.325, Q.326, L.342, G.343, M.344, H.345, G.346, G.364, A.365, R.366, D.368, R.370, V.371, F.396, E.397, V.398, S.399, N.402, G.415, D.416, A.417, V.487, Q.491, M.492, S.509, G.510, G.511, G.513 Ligands: 1MM.3 27 PLIP interactions: 26 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:V.487, A:F.191 Hydrogen bonds: B:R.231, B:A.298, B:G.299, B:T.324, B:L.325, B:L.342, B:H.345, B:R.366, B:V.398, B:N.402, B:D.416, B:D.416, B:A.417, B:G.510 Water bridges: B:R.231, B:R.231, B:G.364, B:G.364, B:R.366, B:F.367, B:D.368, B:R.370, B:T.418 Salt bridges: B:R.231, B:R.366

2 x PYD: 2,5-DIMETHYL-PYRIMIDIN-4-YLAMINE(Non-covalent)

PYD.5: 12 residues within 4Å: Chain A: Y.103, P.104, G.105, E.129, T.152, P.155, N.159, Q.192 Chain B: V.487, G.513, M.515, M.545 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:P.155 Hydrogen bonds: A:Q.192, B:G.513, B:M.515 Water bridges: A:E.129 PYD.12: 12 residues within 4Å: Chain A: V.487, G.513, M.515, M.545 Chain B: Y.103, P.104, G.105, E.129, T.152, P.155, N.159, Q.192 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:P.155 Hydrogen bonds: B:Q.192, A:G.513, A:M.515 Water bridges: B:E.129

2 x P22: ETHYL DIHYDROGEN DIPHOSPHATE(Non-covalent)

P22.7: 15 residues within 4Å: Chain A: V.487, G.488, Q.489, H.490, M.515, G.539, D.540, A.541, S.542, N.567, E.569, Q.570, G.571, M.572 Ligands: MG.2 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:M.572 Hydrogen bonds: A:Q.489, A:H.490, A:A.541, A:S.542, A:N.567, A:G.571, A:M.572 Water bridges: A:D.540, A:D.540 Salt bridges: A:H.490, A:H.490 P22.10: 15 residues within 4Å: Chain B: V.487, G.488, Q.489, H.490, M.515, G.539, D.540, A.541, S.542, N.567, E.569, Q.570, G.571, M.572 Ligands: MG.9 11 PLIP interactions: 11 interactions with chain B Hydrogen bonds: B:Q.489, B:H.490, B:A.541, B:S.542, B:N.567, B:G.571, B:M.572 Water bridges: B:D.540, B:D.540 Salt bridges: B:H.490, B:H.490

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McCourt, J.A. et al., Elucidating the specificity of binding of sulfonylurea herbicides to acetohydroxyacid synthase. Biochemistry (2005)

Release Date

2004-12-21

Peptides

Acetolactate synthase, mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Acetolactate synthase, mitochondrial

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