SMTL ID : 3csc.1

STRUCTURE OF TERNARY COMPLEXES OF CITRATE SYNTHASE WITH D-AND L-MALATE: MECHANISTIC IMPLICATIONS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x ACO: ACETYL COENZYME *A(Non-covalent)

ACO.1: 21 residues within 4Å: Chain A: R.46, L.273, H.274, G.275, A.277, L.309, V.314, V.315, P.316, G.317, Y.318, G.319, H.320, A.321, A.366, A.367, A.368, N.373, D.375 Chain B: R.164 Ligands: LMR.2 17 PLIP interactions: 14 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:L.273, A:H.274, A:V.315, A:V.315, A:G.317, A:Y.318, A:Y.318, A:A.368, A:N.373, B:R.164, B:R.164 Water bridges: A:H.320, A:R.324, A:R.324, A:N.369 Salt bridges: A:R.46, B:R.164 ACO.3: 21 residues within 4Å: Chain A: R.164 Chain B: R.46, L.273, H.274, G.275, A.277, L.309, V.314, V.315, P.316, G.317, Y.318, G.319, H.320, A.321, A.366, A.367, A.368, N.373, D.375 Ligands: LMR.4 16 PLIP interactions: 13 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:L.273, B:V.315, B:V.315, B:G.317, B:Y.318, B:Y.318, B:A.368, B:N.373, A:R.164, A:R.164 Water bridges: B:H.320, B:R.324, B:R.324, B:N.369 Salt bridges: B:R.46, A:R.164

2 x LMR: (2S)-2-hydroxybutanedioic acid(Non-covalent)

LMR.2: 9 residues within 4Å: Chain A: H.238, N.242, H.274, H.320, R.329, F.397, R.401 Chain B: R.421 Ligands: ACO.1 12 PLIP interactions: 11 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:N.242 Hydrogen bonds: A:H.238, A:N.242, A:R.329, A:R.329 Salt bridges: A:H.238, A:H.238, A:H.274, A:H.320, A:R.329, A:R.401, B:R.421 LMR.4: 9 residues within 4Å: Chain A: R.421 Chain B: H.238, N.242, H.274, H.320, R.329, F.397, R.401 Ligands: ACO.3 11 PLIP interactions: 1 interactions with chain A, 10 interactions with chain B Salt bridges: A:R.421, B:H.238, B:H.238, B:H.274, B:H.320, B:R.329, B:R.401 Hydrophobic interactions: B:N.242 Hydrogen bonds: B:N.242, B:R.329, B:R.329

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Karpusas, M. et al., 1.9-A structures of ternary complexes of citrate synthase with D- and L-malate: mechanistic implications. Biochemistry (1991)

Release Date

1991-04-15

Peptides

CITRATE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

CITRATE SYNTHASE

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