SMTL ID : 1fcj.1 (1 other biounit)

CRYSTAL STRUCTURE OF OASS COMPLEXED WITH CHLORIDE AND SULFATE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 8 residues within 4Å: Chain A: T.68, N.69, G.70, N.71, T.72, G.73, Q.142, F.143 11 PLIP interactions: 11 interactions with chain A Hydrogen bonds: A:N.69, A:N.69, A:G.70, A:N.71, A:T.72, A:T.72, A:G.73, A:Q.142 Water bridges: A:N.69, A:N.69 Salt bridges: A:K.41 SO4.4: 7 residues within 4Å: Chain B: T.68, N.69, G.70, N.71, T.72, G.73, Q.142 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:N.69, B:G.70, B:N.71, B:T.72, B:T.72, B:G.73, B:Q.142

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

CL.2: 4 residues within 4Å: Chain A: R.34, I.267, L.268 Chain B: N.7 Ligand excluded by PLIP CL.5: 4 residues within 4Å: Chain A: N.7 Chain B: R.34, I.267, L.268 Ligand excluded by PLIP

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Covalent)

PLP.3: 15 residues within 4Å: Chain A: K.41, N.71, G.174, V.175, G.176, T.177, G.178, G.179, T.180, Q.227, G.228, I.229, S.272, P.299, S.300 15 PLIP interactions: 15 interactions with chain A Hydrophobic interactions: A:K.41, A:P.299 Hydrogen bonds: A:N.71, A:G.176, A:T.177, A:G.178, A:G.179, A:T.180, A:T.180, A:T.180, A:S.272 Water bridges: A:N.148, A:S.173, A:T.177 Salt bridges: A:K.41 PLP.6: 15 residues within 4Å: Chain B: K.41, N.71, G.174, V.175, G.176, T.177, G.178, G.179, T.180, Q.227, G.228, I.229, S.272, P.299, S.300 13 PLIP interactions: 13 interactions with chain B Hydrophobic interactions: B:K.41 Hydrogen bonds: B:N.71, B:G.176, B:T.177, B:G.178, B:G.179, B:T.180, B:T.180, B:S.272 Water bridges: B:N.148, B:H.152, B:S.173 Salt bridges: B:K.41

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Burkhard, P. et al., Identification of an allosteric anion-binding site on O-acetylserine sulfhydrylase: structure of the enzyme with chloride bound. J.Mol.Biol. (2000)

Release Date

2000-10-18

Peptides

O-ACETYLSERINE SULFHYDRYLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

O-ACETYLSERINE SULFHYDRYLASE

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