SMTL ID : 6bd9.1

Saccharomyces cerevisiae acetohydroxyacid synthase

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 3 residues within 4Å: Chain A: Q.333, Q.496, W.498 5 PLIP interactions: 2 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:Q.496, A:W.498, H2O.2, H2O.7, H2O.11 K.9: 3 residues within 4Å: Chain B: Q.333, Q.496, W.498 5 PLIP interactions: 2 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:Q.496, B:W.498, H2O.15, H2O.19, H2O.21

2 x MG: MAGNESIUM ION(Non-covalent)

MG.2: 3 residues within 4Å: Chain A: D.540, N.567 Ligands: TPP.4 3 PLIP interactions: 1 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:D.540, H2O.3, H2O.9 MG.11: 3 residues within 4Å: Chain B: D.540, N.567 Ligands: TPP.12 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.540, H2O.18, H2O.22

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

FAD.3: 29 residues within 4Å: Chain A: 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, S.399, N.402, G.415, D.416, A.417 Chain B: F.191 23 PLIP interactions: 22 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:R.370, B:F.191 Hydrogen bonds: A:A.298, A:G.299, A:N.302, A:T.324, A:L.325, A:L.342, A:H.345, A:R.366, A:R.366, A:V.398, A:N.402, A:D.416, A:A.417 Water bridges: A:R.231, A:G.364, A:G.364, A:F.367, A:T.418, A:G.510 Salt bridges: A:R.231, A:R.366 FAD.10: 30 residues within 4Å: Chain A: F.191 Chain B: R.231, G.297, A.298, G.299, N.302, T.324, L.325, Q.326, L.342, M.344, H.345, 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, Q.491, M.492, G.510, G.511 27 PLIP interactions: 1 interactions with chain A, 26 interactions with chain B Hydrophobic interactions: A:F.191 Hydrogen bonds: B:A.298, B:N.302, B:T.324, B:L.325, B:L.342, B:H.345, B:H.345, B:R.366, B:R.366, B:R.370, B:V.398, B:N.402, B:D.416, B:D.416, B:A.417, B:G.510 Water bridges: B:D.170, B:R.231, B:R.231, B:Q.326, B:G.364, B:G.364, B:T.418 Salt bridges: B:R.231, B:R.366 pi-Cation interactions: B:R.370

2 x TPP: THIAMINE DIPHOSPHATE(Non-covalent)

TPP.4: 25 residues within 4Å: Chain A: V.487, G.488, Q.489, H.490, G.513, M.515, G.539, D.540, A.541, S.542, M.545, N.567 Chain B: Y.103, P.104, G.105, E.129, T.152, P.155, N.159, Q.192 Ligands: MG.2, PYR.13, OXY.17, OXY.18, OXY.19 16 PLIP interactions: 12 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:M.515, B:Y.103, B:P.155 Hydrogen bonds: A:Q.489, A:H.490, A:G.513, A:M.515, A:A.541, A:S.542, A:N.567, B:Q.192 Water bridges: A:D.540, A:D.540, B:E.129 Salt bridges: A:H.490, A:H.490 TPP.12: 24 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.488, Q.489, H.490, G.513, M.515, G.539, D.540, A.541, S.542, M.545, N.567 Ligands: PYR.5, OXY.8, MG.11, OXY.20 14 PLIP interactions: 11 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:Q.489, B:H.490, B:G.513, B:M.515, B:A.541, B:S.542, B:N.567 Water bridges: B:D.540, B:D.540 Salt bridges: B:H.490, B:H.490 Hydrophobic interactions: A:Y.103, A:T.152, A:P.155

4 x PYR: PYRUVIC ACID(Non-covalent)

PYR.5: 8 residues within 4Å: Chain A: G.105, G.106, F.191, Q.192 Ligands: PYR.6, OXY.8, TPP.12, OXY.20 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.106, A:Q.192 PYR.6: 8 residues within 4Å: Chain A: G.106, A.107, S.153, F.191, Q.192, K.241 Ligands: PYR.5, OXY.8 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:F.191, A:Q.192 Hydrogen bonds: A:A.107 Water bridges: A:F.191 Salt bridges: A:K.241 PYR.13: 8 residues within 4Å: Chain B: G.105, G.106, F.191, Q.192 Ligands: TPP.4, PYR.14, OXY.18, OXY.19 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:F.191 Hydrogen bonds: B:G.106 Water bridges: B:Q.192 PYR.14: 9 residues within 4Å: Chain B: G.106, A.107, S.153, P.182, F.191, Q.192, K.241 Ligands: PYR.13, OXY.18 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.153 Salt bridges: B:K.241

8 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.7: 5 residues within 4Å: Chain A: A.541, N.544, Q.590 Chain B: Y.103, K.127 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:Y.103, B:Y.103, A:N.544, A:Q.590 OXY.8: 9 residues within 4Å: Chain A: G.105, G.106, A.107, T.152, S.153, Q.192 Ligands: PYR.5, PYR.6, TPP.12 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.106, A:A.107, A:T.152, A:T.152, A:S.153, A:Q.192 OXY.15: 4 residues within 4Å: Chain B: E.568, Q.570, H.589, Q.590 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:E.568, B:T.588, B:Q.590 OXY.16: 4 residues within 4Å: Chain B: E.568, Q.590, L.591, N.592 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:N.592, B:N.592 OXY.17: 3 residues within 4Å: Chain A: A.541 Chain B: Y.103 Ligands: TPP.4 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:Y.103 OXY.18: 9 residues within 4Å: Chain B: G.105, G.106, A.107, T.152, S.153, Q.192 Ligands: TPP.4, PYR.13, PYR.14 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.106, B:A.107, B:T.152, B:S.153, B:S.153 Water bridges: B:Q.192 OXY.19: 4 residues within 4Å: Chain B: G.105, G.106 Ligands: TPP.4, PYR.13 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.106 OXY.20: 4 residues within 4Å: Chain A: G.105 Chain B: M.572 Ligands: PYR.5, TPP.12 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:M.572

1 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.21: 4 residues within 4Å: Chain A: H.116 Chain B: H.587, T.588, H.589 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.588, B:H.589 Water bridges: B:H.589 Salt bridges: B:H.589, A:H.116

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lonhienne, T. et al., High resolution crystal structures of the acetohydroxyacid synthase-pyruvate complex provide new insights into its catalytic mechanism. Chemistryselect (2017)

Release Date

2017-11-08

Peptides

Acetolactate synthase catalytic subunit, mitochondrial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Acetolactate synthase catalytic subunit, mitochondrial

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