SMTL ID : 5ims.1

Saccharomyces cerevisiae acetohydroxyacid synthase

Coordinates

PDB Format Compare

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.1, H2O.7, H2O.12 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.20, H2O.22, H2O.28

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

FAD.2: 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 32 PLIP interactions: 31 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:T.324, A:L.325, A:L.342, A:H.345, A:H.345, A:G.346, A:R.366, A:R.366, A:V.398, A:N.402, A:D.416, A:D.416, A:A.417 Water bridges: A:R.231, A:R.231, A:R.231, A:R.231, A:Q.326, A:G.364, A:G.364, A:R.366, A:F.367, A:T.418, A:G.510 Salt bridges: A:R.231, A:R.366 FAD.10: 32 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.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 28 PLIP interactions: 27 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.231, B:A.298, B:N.302, B:T.324, B:T.324, B:L.325, B:L.342, B:M.344, B:H.345, B:R.366, B:V.398, B:N.402, B:D.416, B:A.417, B:G.510 Water bridges: B:R.231, B:R.231, B:Q.326, B:R.366, B:R.366, B:R.366, B:F.367, B:E.397, B:T.418 Salt bridges: B:R.231, B:R.366 pi-Cation interactions: B:R.370 Hydrophobic interactions: A:F.191

2 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 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.4, H2O.13 MG.11: 4 residues within 4Å: Chain B: D.540, N.567 Ligands: TPP.12, OXY.16 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:D.540, H2O.21, H2O.24

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.3, OXY.13, OXY.14, OXY.15, ACT.20 17 PLIP interactions: 14 interactions with chain A, 3 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, A:D.540, A:N.567 Salt bridges: A:H.490, A:H.490 TPP.12: 25 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: OXY.5, OXY.6, ACT.8, MG.11, OXY.16 15 PLIP interactions: 4 interactions with chain A, 11 interactions with chain B Hydrophobic interactions: A:Y.103, A:P.155 Hydrogen bonds: A:Q.192, B:Q.489, B:H.490, B:G.513, B:M.515, B:A.541, B:S.542, B:N.567 Water bridges: A:E.129, B:D.540, B:D.540 Salt bridges: B:H.490, B:H.490

9 x OXY: OXYGEN MOLECULE(Non-covalent)

OXY.5: 4 residues within 4Å: Chain A: G.105 Chain B: M.572 Ligands: ACT.8, TPP.12 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:M.572, A:G.106 OXY.6: 8 residues within 4Å: Chain A: G.105, G.106, A.107, T.152, S.153, Q.192 Ligands: ACT.8, TPP.12 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.106, A:A.107, A:S.153, A:S.153, A:Q.192 Water bridges: A:Q.192 OXY.7: 5 residues within 4Å: Chain A: A.541, N.544, Q.590 Chain B: Y.103, K.127 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.544, A:Q.590 Water bridges: A:D.540 OXY.13: 4 residues within 4Å: Chain B: G.105, G.106 Ligands: TPP.4, ACT.20 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:G.106 Water bridges: B:G.105 OXY.14: 9 residues within 4Å: Chain B: G.105, G.106, A.107, T.152, S.153, Q.192 Ligands: TPP.4, ACT.20, ACT.21 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:G.106, B:A.107, B:T.152, B:S.153, B:Q.192 Water bridges: B:Q.192 OXY.15: 3 residues within 4Å: Chain A: A.541 Chain B: Y.103 Ligands: TPP.4 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.103, B:Y.103 OXY.16: 6 residues within 4Å: Chain B: Q.489, N.567, Q.570, G.571 Ligands: MG.11, TPP.12 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.489, B:N.567 Water bridges: B:Q.489 OXY.17: 5 residues within 4Å: Chain B: E.568, Q.570, T.588, H.589, Q.590 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:E.568, B:Q.590 Water bridges: B:D.540, B:Q.570 OXY.18: 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

3 x ACT: ACETATE ION(Non-functional Binders)

ACT.8: 7 residues within 4Å: Chain A: G.105, G.106, F.191, Q.192 Ligands: OXY.5, OXY.6, TPP.12 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.191 Hydrogen bonds: A:G.106 Water bridges: A:Q.192 ACT.20: 6 residues within 4Å: Chain B: G.106, Q.192 Ligands: TPP.4, OXY.13, OXY.14, ACT.21 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.106 ACT.21: 6 residues within 4Å: Chain B: G.106, A.107, F.191, Q.192 Ligands: OXY.14, ACT.20 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:F.191 Hydrogen bonds: B:G.106, B:S.153 Water bridges: B:K.241 Salt bridges: B:K.241

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

PO4.19: 4 residues within 4Å: Chain A: H.116 Chain B: H.587, T.588, H.589 4 PLIP interactions: 1 interactions with chain A, 3 interactions with chain B Salt bridges: A:H.116, B:H.589 Hydrogen bonds: B:T.588, B:H.589

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Guddat, L.W. et al., A hidden redox cycle controls catalysis in acetohydroxyacid synthase. To Be Published

Release Date

2017-02-15

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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