SMTL ID : 6ora.2 (1 other biounit)

An Unexpected Intermediate in the Reaction Catalyzed by Quinolinate Synthase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

monomer

Ligands

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

SF4.1: 9 residues within 4Å: Chain A: Y.23, C.83, A.84, N.111, C.170, V.172, Q.198, C.256 Ligands: 5XR.3 3 PLIP interactions: 3 interactions with chain A, Metal complexes: A:C.83, A:C.170, A:C.256

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 2 residues within 4Å: Chain A: L.187, P.189 1 PLIP interactions: 1 interactions with chain A Hydrophobic interactions: A:P.189

1 x 5XR: 2-hydroxy-N-[(1S)-1-hydroxy-3-oxopropyl]-L-aspartic acid(Non-covalent)

5XR.3: 16 residues within 4Å: Chain A: H.21, Y.23, D.37, S.38, L.39, M.61, Y.109, N.111, T.125, S.126, A.127, H.196, Q.198, S.212, T.213 Ligands: SF4.1 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:D.37 Hydrogen bonds: A:Y.23, A:Y.23, A:S.38, A:S.38, A:L.39, A:Y.109, A:N.111, A:N.111, A:T.125, A:S.126, A:S.126, A:S.126, A:S.126, A:A.127, A:Q.198, A:S.212, A:T.213 Salt bridges: A:H.21, A:H.21, A:H.196

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

CL.4: 5 residues within 4Å: Chain A: I.17, R.44, V.48, D.49, A.50 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Esakova, O.A. et al., An Unexpected Species Determined by X-ray Crystallography that May Represent an Intermediate in the Reaction Catalyzed by Quinolinate Synthase. J.Am.Chem.Soc. (2019)

Release Date

2019-08-21

Peptides

Quinolinate synthase A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Quinolinate synthase A

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