SMTL ID : 6cts.1

PROPOSED MECHANISM FOR THE CONDENSATION REACTION OF CITRATE SYNTHASE. 1.9-ANGSTROMS STRUCTURE OF THE TERNARY COMPLEX WITH OXALOACETATE AND CARBOXYMETHYL COENZYME A

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.50 Å

Oligo State

homo-dimer

Ligands

2 x CIC: CITRYL-THIOETHER-COENZYME *A(Non-covalent)

CIC.1: 24 residues within 4Å: Chain A: R.46, H.238, N.242, L.273, H.274, A.277, L.309, V.314, V.315, P.316, G.317, Y.318, G.319, H.320, A.321, R.329, A.366, A.367, A.368, N.373, F.397, R.401 Chain B: R.164, R.421 30 PLIP interactions: 26 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:N.242 Hydrogen bonds: A:H.238, A:N.242, A:L.273, A:V.315, A:G.317, A:Y.318, A:Y.318, A:Y.318, A:R.329, A:R.329, A:A.368, A:N.373, B:R.164, B:R.164 Water bridges: A:H.320, A:H.320, A:H.320, A:R.324, A:R.324, A:N.369 Salt bridges: A:R.46, A:H.238, A:H.238, A:H.274, A:H.320, A:R.329, A:R.401, B:R.164, B:R.421 CIC.2: 24 residues within 4Å: Chain A: R.164, R.421 Chain B: R.46, H.238, N.242, L.273, H.274, A.277, L.309, V.314, V.315, P.316, G.317, Y.318, G.319, H.320, A.321, R.329, A.366, A.367, A.368, N.373, F.397, R.401 28 PLIP interactions: 24 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:N.242 Hydrogen bonds: B:N.242, B:L.273, B:V.315, B:G.317, B:Y.318, B:Y.318, B:Y.318, B:R.329, B:R.329, B:A.368, B:N.373, A:R.164, A:R.164 Water bridges: B:H.320, B:H.320, B:R.324, B:R.324, B:N.369 Salt bridges: B:R.46, B:H.238, B:H.238, B:H.274, B:H.320, B:R.329, B:R.401, A:R.164, A:R.421

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Karpusas, M. et al., Proposed mechanism for the condensation reaction of citrate synthase: 1.9-A structure of the ternary complex with oxaloacetate and carboxymethyl coenzyme A. Biochemistry (1990)

Release Date

1990-10-15

Peptides

CITRATE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

CITRATE SYNTHASE

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