SMTL ID : 6f48.1

Structure of quinolinate synthase with reaction intermediates X and Y

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.50 Å

Oligo State

monomer

Ligands

1 x SF4: IRON/SULFUR CLUSTER(Non-covalent)

SF4.1: 11 residues within 4Å: Chain A: F.28, C.88, P.89, M.90, N.116, C.175, V.177, E.202, C.261 Ligands: XQB.2, YQA.5 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Salt bridges: A:E.202 Metal complexes: A:C.88, A:C.175, A:C.261, H2O.9

1 x XQB: 2-imino,3-carboxy,5-hydroxy,6-oxo hexanoic acid(Non-covalent)

XQB.2: 15 residues within 4Å: Chain A: H.26, F.28, D.42, S.43, M.66, Y.114, V.115, N.116, S.131, H.178, H.200, E.202, T.217 Ligands: SF4.1, YQA.5 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:S.43, A:N.116, A:N.116, A:S.131, A:H.200, A:T.217 Water bridges: A:L.44, A:L.44, A:G.218 Salt bridges: A:H.26, A:H.26, A:H.200

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 6 residues within 4Å: Chain A: R.103, P.107, D.108, A.109, P.110, D.126 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.103, A:P.107 Water bridges: A:R.103, A:D.126

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.4: 4 residues within 4Å: Chain A: N.74, P.75, D.76, K.77 Ligand excluded by PLIP CL.6: 2 residues within 4Å: Chain A: L.141, D.142 Ligand excluded by PLIP

1 x YQA: 5-hydroxy,-4,5-dihydroquinolinate(Non-covalent)

YQA.5: 13 residues within 4Å: Chain A: H.26, F.28, D.42, S.43, M.66, N.116, S.131, H.200, E.202, S.216, T.217 Ligands: SF4.1, XQB.2 9 PLIP interactions: 9 interactions with chain A Hydrogen bonds: A:S.43, A:N.116, 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

Volbeda, A. et al., Crystallographic Trapping of Reaction Intermediates in Quinolinic Acid Synthesis by NadA. ACS Chem. Biol. (2018)

Release Date

2018-04-25

Peptides

Quinolinate synthase A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Quinolinate synthase A

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