SMTL ID : 1z8n.2 (1 other biounit)

Crystal structure of Arabidopsis thaliana Acetohydroxyacid synthase In Complex With An Imidazolinone Herbicide, Imazaquin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

2 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: G.452, D.453, N.480, H.482 Ligands: TPP.6 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:D.453, A:H.482 MG.7: 5 residues within 4Å: Chain B: G.452, D.453, N.480, H.482 Ligands: TPP.12 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:D.453, B:H.482

4 x 1IQ: 2-(4-ISOPROPYL-4-METHYL-5-OXO-4,5-DIHYDRO-1H-IMIDAZOL-2-YL)QUINOLINE-3-CARBOXYLIC ACID(Non-covalent)

1IQ.2: 10 residues within 4Å: Chain A: K.135, G.160, R.161, G.190, Y.191, R.194, P.196, I.311, D.312 Ligands: NHE.4 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.191, A:D.312 Hydrogen bonds: A:K.135, A:R.161, A:Y.191, A:R.194 Salt bridges: A:R.194 pi-Cation interactions: A:R.194 1IQ.3: 14 residues within 4Å: Chain A: M.266, D.291, R.292, W.489, S.568, G.569 Chain B: G.36, A.37, S.83, R.114, M.115, F.121, Q.122, K.171 9 PLIP interactions: 5 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:D.291, A:W.489, B:F.121, B:Q.122, B:K.171 Hydrogen bonds: A:S.568, A:S.568 Salt bridges: A:R.292 Water bridges: B:K.171 1IQ.8: 10 residues within 4Å: Chain B: K.135, G.160, R.161, G.190, Y.191, R.194, P.196, I.311, D.312 Ligands: NHE.10 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:Y.191, B:D.312 Hydrogen bonds: B:K.135, B:R.161, B:R.194 Salt bridges: B:R.194 pi-Cation interactions: B:R.194 1IQ.9: 14 residues within 4Å: Chain A: G.36, A.37, S.83, R.114, M.115, F.121, Q.122, K.171 Chain B: M.266, D.291, R.292, W.489, S.568, G.569 9 PLIP interactions: 4 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:F.121, A:Q.122, A:K.171, B:D.291, B:W.489 Water bridges: A:K.171 Hydrogen bonds: B:S.568, B:S.568 Salt bridges: B:R.292

2 x NHE: 2-[N-CYCLOHEXYLAMINO]ETHANE SULFONIC ACID(Non-covalent)

NHE.4: 9 residues within 4Å: Chain A: K.135, H.136, L.156, R.187, L.188, P.189, G.190, Y.191 Ligands: 1IQ.2 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.156, A:Y.191 Hydrogen bonds: A:R.187, A:L.188, A:G.190, A:Y.191 NHE.10: 9 residues within 4Å: Chain B: K.135, H.136, L.156, R.187, L.188, P.189, G.190, Y.191 Ligands: 1IQ.8 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:L.156, B:Y.191 Hydrogen bonds: B:R.187, B:L.188, B:G.190, B:Y.191

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

FAD.5: 34 residues within 4Å: Chain A: R.161, G.222, G.223, G.224, T.246, L.247, M.248, M.263, L.264, G.265, M.266, H.267, G.268, G.286, V.287, R.288, D.290, R.292, V.293, D.310, I.311, D.312, E.315, G.328, D.329, V.330, V.400, Q.404, M.405, S.422, G.423, G.424, G.426 Chain B: F.121 23 PLIP interactions: 22 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:V.400, B:F.121 Hydrogen bonds: A:R.161, A:G.223, A:T.246, A:L.247, A:L.264, A:H.267, A:G.268, A:V.287, A:R.288, A:I.311, A:D.329, A:D.329, A:V.330, A:G.423 Water bridges: A:D.100, A:R.161, A:R.161, A:R.288, A:R.288, A:R.288 Salt bridges: A:R.288 FAD.11: 34 residues within 4Å: Chain A: F.121 Chain B: R.161, G.222, G.223, G.224, T.246, L.247, M.248, M.263, L.264, G.265, M.266, H.267, G.268, G.286, V.287, R.288, D.290, R.292, V.293, D.310, I.311, D.312, E.315, G.328, D.329, V.330, V.400, Q.404, M.405, S.422, G.423, G.424, G.426 21 PLIP interactions: 20 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:V.400, A:F.121 Hydrogen bonds: B:R.161, B:G.223, B:L.247, B:L.264, B:H.267, B:G.268, B:V.287, B:R.288, B:I.311, B:D.329, B:V.330, B:G.423 Water bridges: B:R.161, B:R.161, B:R.288, B:R.288, B:R.288, B:R.288 Salt bridges: B:R.288

2 x TPP: THIAMINE DIPHOSPHATE(Non-covalent)

TPP.6: 25 residues within 4Å: Chain A: V.400, G.401, Q.402, H.403, G.426, M.428, G.452, D.453, G.454, S.455, M.458, N.480, H.482, L.483, G.484, M.485, V.486 Chain B: Y.33, P.34, G.35, E.59, P.85, N.89, Q.122 Ligands: MG.1 18 PLIP interactions: 17 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:M.428, A:L.483, A:M.485, A:V.486, B:P.85 Hydrogen bonds: A:Q.402, A:H.403, A:G.426, A:M.428, A:D.453, A:G.454, A:S.455, A:N.480, A:H.482, A:G.484, A:M.485 Salt bridges: A:H.403, A:H.403 TPP.12: 25 residues within 4Å: Chain A: Y.33, P.34, G.35, E.59, P.85, N.89, Q.122 Chain B: V.400, G.401, Q.402, H.403, G.426, M.428, G.452, D.453, G.454, S.455, M.458, N.480, H.482, L.483, G.484, M.485, V.486 Ligands: MG.7 16 PLIP interactions: 15 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:M.428, B:L.483, B:M.485, B:V.486, A:P.85 Hydrogen bonds: B:Q.402, B:H.403, B:G.426, B:M.428, B:G.454, B:S.455, B:H.482, B:G.484, B:M.485 Salt bridges: B:H.403, B:H.403

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

McCourt, J.A. et al., Herbicide-binding sites revealed in the structure of plant acetohydroxyacid synthase. Proc.Natl.Acad.Sci.Usa (2006)

Release Date

2006-01-17

Peptides

Acetolactate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Acetolactate synthase

Related Entries With Identical Sequence