SMTL ID : 3fr8.1

rice Ketolacid reductoisomerase in complex with Mg2+-NADPH

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.80 Å

Oligo State

homo-dimer

Ligands

3 x MG: MAGNESIUM ION(Non-covalent)

MG.1: 5 residues within 4Å: Chain A: D.244, L.252, E.421, E.425 Ligands: PE4.4 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.244, H2O.4 MG.5: 6 residues within 4Å: Chain B: H.155, D.244, E.248, S.447 Ligands: NDP.7, PEG.8 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.244, B:E.248, H2O.7 MG.6: 3 residues within 4Å: Chain B: D.244, E.425 Ligands: PEG.8 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:D.244, H2O.7

1 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 5 residues within 4Å: Chain A: R.266, Y.267, Q.270, H.390, F.392 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.270 Salt bridges: A:R.266

2 x NDP: NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NDP.3: 22 residues within 4Å: Chain A: W.62, G.63, S.64, Q.65, R.91, S.94, S.96, I.115, L.128, I.129, S.130, D.131, A.133, Q.134, N.137, S.154, H.155, P.180, G.182, M.183, S.447 Ligands: PE4.4 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:Q.65 Hydrogen bonds: A:W.62, A:W.62, A:S.64, A:S.64, A:Q.65, A:R.91, A:S.130, A:D.131, A:Q.134, A:N.137, A:G.184, A:S.447 Water bridges: A:H.155, A:H.155, A:T.448 Salt bridges: A:R.91 pi-Cation interactions: A:R.91, A:R.91 NDP.7: 28 residues within 4Å: Chain B: G.61, W.62, G.63, S.64, Q.65, L.90, R.91, S.94, S.96, L.128, I.129, S.130, D.131, A.133, Q.134, N.137, S.154, H.155, P.180, G.182, M.183, G.184, C.446, S.447, T.448, R.518 Ligands: MG.5, PEG.8 28 PLIP interactions: 28 interactions with chain B Hydrophobic interactions: B:Q.65 Hydrogen bonds: B:W.62, B:W.62, B:S.64, B:S.64, B:S.64, B:Q.65, B:Q.65, B:S.94, B:S.96, B:S.96, B:I.129, B:S.130, B:D.131, B:Q.134, B:N.137, B:G.184, B:T.448, B:R.518 Water bridges: B:S.96, B:D.131, B:H.155, B:H.155 Salt bridges: B:R.91, B:R.518, B:R.518 pi-Cation interactions: B:R.91, B:R.91

1 x PE4: 2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL(Non-functional Binders)

PE4.4: 7 residues within 4Å: Chain A: D.244, E.248, E.425, C.446, S.447 Ligands: MG.1, NDP.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.447

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.8: 9 residues within 4Å: Chain B: D.244, E.248, E.425, C.446, S.447, A.450 Ligands: MG.5, MG.6, NDP.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.447

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leung, E.W. et al., Conformational changes in a plant ketol-acid reductoisomerase upon Mg(2+) and NADPH binding as revealed by two crystal structures. J.Mol.Biol. (2009)

Release Date

2009-04-14

Peptides

Putative ketol-acid reductoisomerase (Os05g0573700 protein): AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Putative ketol-acid reductoisomerase (Os05g0573700 protein)

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