SMTL ID : 1css.1

ALPHA-FLUORO ACID AND ALPHA-FLUORO AMIDE ANALOGS OF ACETYL-COA AS INHIBITORS OF OF CITRATE SYNTHASE: EFFECT OF PKA MATCHING ON BINDING AFFINITY AND HYDROGEN BOND LENGTH

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x OAA: OXALOACETATE ION(Non-covalent)

OAA.1: 9 residues within 4Å: Chain A: H.236, N.240, H.272, H.318, R.327, F.395, R.399 Chain B: R.419 Ligands: FCX.2 13 PLIP interactions: 12 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:N.240 Hydrogen bonds: A:H.236, A:R.327, A:R.327 Water bridges: A:H.318, A:H.318 Salt bridges: A:H.236, A:H.236, A:H.272, A:H.318, A:R.327, A:R.399, B:R.419 OAA.3: 9 residues within 4Å: Chain A: R.419 Chain B: H.236, N.240, H.272, H.318, R.327, F.395, R.399 Ligands: FCX.4 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:N.240 Hydrogen bonds: B:R.327, B:R.327 Water bridges: B:H.318 Salt bridges: B:H.236, B:H.236, B:H.272, B:H.318, B:R.327, B:R.399, A:R.419

2 x FCX: ALPHA-FLUORO-CARBOXYMETHYLDETHIA COENZYME A COMPLEX(Non-covalent)

FCX.2: 24 residues within 4Å: Chain A: R.44, L.271, H.272, G.273, A.275, L.307, V.312, V.313, P.314, G.315, Y.316, G.317, H.318, A.319, K.364, A.365, K.366, N.371, V.372, D.373, F.395 Chain B: R.162, L.417 Ligands: OAA.1 22 PLIP interactions: 18 interactions with chain A, 4 interactions with chain B Hydrogen bonds: A:L.271, A:V.313, A:G.315, A:Y.316, A:Y.316, A:Y.316, A:K.366, A:N.371, A:D.373, B:R.162 Water bridges: A:R.44, A:R.44, A:H.318, A:R.322, A:R.322, A:R.322, B:L.417 Salt bridges: A:R.44, A:H.272, A:K.364, B:R.162 Hydrophobic interactions: B:L.417 FCX.4: 24 residues within 4Å: Chain A: R.162, L.417 Chain B: R.44, L.271, H.272, G.273, A.275, L.307, V.312, V.313, P.314, G.315, Y.316, G.317, H.318, A.319, K.364, A.365, K.366, N.371, V.372, D.373, F.395 Ligands: OAA.3 22 PLIP interactions: 18 interactions with chain B, 4 interactions with chain A Hydrogen bonds: B:L.271, B:V.313, B:G.315, B:Y.316, B:Y.316, B:Y.316, B:K.366, B:N.371, B:D.373, A:R.162 Water bridges: B:R.44, B:R.44, B:H.318, B:R.322, B:R.322, B:R.322, A:L.417 Salt bridges: B:R.44, B:H.272, B:K.364, A:R.162 Hydrophobic interactions: A:L.417

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schwartz, B. et al., alpha-Fluoro acid and alpha-fluoro amide analogs of acetyl-CoA as inhibitors of citrate synthase: effect of pKa matching on binding affinity and hydrogen bond length. Biochemistry (1995)

Release Date

1995-10-15

Peptides

CITRATE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

CITRATE SYNTHASE

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