SMTL ID : 6i0r.1

Structure of quinolinate synthase in complex with 5-mercaptopyridine-2,3-dicarboxylic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

monomer

Ligands

4 x FE: FE (III) ION(Non-covalent)(Non-functional Binders)

FE.1: 6 residues within 4Å: Chain A: C.175, H.178, E.202 Ligands: FE.2, H2S.3, H2S.4 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:C.175, A:E.202 FE.2: 7 residues within 4Å: Ligands: FE.1, H2S.3, H2S.4, FE.5, FE.6, H2S.7, QAT.9 No protein-ligand interaction detected (PLIP) FE.5: 6 residues within 4Å: Chain A: C.88 Ligands: FE.2, H2S.3, FE.6, H2S.7, H2S.8 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:C.88 FE.6: 6 residues within 4Å: Chain A: C.261 Ligands: FE.2, H2S.4, FE.5, H2S.7, H2S.8 1 PLIP interactions: 1 interactions with chain A Metal complexes: A:C.261

4 x H2S: HYDROSULFURIC ACID(Non-covalent)

H2S.3: 9 residues within 4Å: Chain A: C.88, N.116, C.175, E.202 Ligands: FE.1, FE.2, H2S.4, FE.5, QAT.9 No protein-ligand interaction detected (PLIP) H2S.4: 10 residues within 4Å: Chain A: F.28, C.175, H.178, E.202 Ligands: FE.1, FE.2, H2S.3, FE.6, H2S.7, QAT.9 No protein-ligand interaction detected (PLIP) H2S.7: 7 residues within 4Å: Chain A: C.88 Ligands: FE.2, H2S.4, FE.5, FE.6, H2S.8, QAT.9 No protein-ligand interaction detected (PLIP) H2S.8: 5 residues within 4Å: Chain A: V.177, C.261 Ligands: FE.5, FE.6, H2S.7 No protein-ligand interaction detected (PLIP)

1 x QAT: 5-mercaptopyridine-2,3-dicarboxylic acid(Non-covalent)

QAT.9: 15 residues within 4Å: Chain A: H.26, D.42, S.43, F.65, M.66, Y.114, S.131, H.200, E.202, S.216, T.217 Ligands: FE.2, H2S.3, H2S.4, H2S.7 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:S.43, A:Y.114, A:S.131, A:T.217 Water bridges: A:L.44, A:G.218, A:G.218 Salt bridges: A:H.26, A:H.200

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Saez Cabodevilla, J. et al., Design of specific inhibitors of quinolinate synthase based on [4Fe-4S] cluster coordination. Chem.Commun.(Camb.) (2019)

Release Date

2019-03-20

Peptides

Quinolinate synthase A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Quinolinate synthase A

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