SMTL ID : 1ai2.1

ISOCITRATE DEHYDROGENASE COMPLEXED WITH ISOCITRATE, NADP+, AND CALCIUM (FLASH-COOLED)

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)

NAP.1: 21 residues within 4Å: Chain A: I.37, K.100, L.103, T.104, T.105, G.321, A.337, T.338, H.339, G.340, T.341, A.342, P.343, K.344, Y.345, V.351, N.352, Y.391, D.392, R.395 Ligands: ICA.2 15 PLIP interactions: 15 interactions with chain A Hydrogen bonds: A:K.100, A:T.104, A:T.105, A:A.337, A:H.339, A:G.340, A:T.341, A:A.342, A:N.352, A:Y.391 Water bridges: A:R.129, A:K.344, A:S.355 Salt bridges: A:R.395 pi-Stacking: A:H.339 NAP.3: 21 residues within 4Å: Chain B: I.37, K.100, L.103, T.104, T.105, G.321, A.337, T.338, H.339, G.340, T.341, A.342, P.343, K.344, Y.345, V.351, N.352, Y.391, D.392, R.395 Ligands: ICA.4 17 PLIP interactions: 17 interactions with chain B Hydrogen bonds: B:K.100, B:T.104, B:T.105, B:A.337, B:G.340, B:T.341, B:T.341, B:A.342, B:Y.345, B:N.352, B:N.352, B:Y.391 Water bridges: B:R.129, B:K.344, B:S.355 Salt bridges: B:R.395 pi-Stacking: B:H.339

2 x ICA: ISOCITRATE CALCIUM COMPLEX(Non-covalent)

ICA.2: 12 residues within 4Å: Chain A: S.113, N.115, R.119, R.129, R.153, Y.160, D.307, D.311 Chain B: K.230, I.233, D.283 Ligands: NAP.1 16 PLIP interactions: 11 interactions with chain A, 3 interactions with chain B, 1 Ligand-Water interactions, 1 Ligand-Ligand interactions Hydrogen bonds: A:S.113, A:N.115, A:D.307, B:K.230 Water bridges: A:R.129 Salt bridges: A:R.119, A:R.119, A:R.129, A:R.153, A:R.153, B:K.230 Metal complexes: A:D.307, A:D.311, B:D.283, H2O.1, ICA.2 ICA.4: 12 residues within 4Å: Chain A: K.230, I.233, D.283 Chain B: S.113, N.115, R.119, R.129, R.153, Y.160, D.307, D.311 Ligands: NAP.3 17 PLIP interactions: 12 interactions with chain B, 3 interactions with chain A, 1 Ligand-Ligand interactions, 1 Ligand-Water interactions Hydrogen bonds: B:S.113, B:N.115, B:Y.160, B:D.307, A:K.230 Water bridges: B:R.129 Salt bridges: B:R.119, B:R.119, B:R.129, B:R.153, B:R.153, A:K.230 Metal complexes: B:D.307, B:D.311, A:D.283, ICA.4, H2O.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Mesecar, A.D. et al., Orbital steering in the catalytic power of enzymes: small structural changes with large catalytic consequences. Science (1997)

Release Date

1997-10-15

Peptides

ISOCITRATE DEHYDROGENASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

ISOCITRATE DEHYDROGENASE

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