SMTL ID : 3zei.1

Structure of the Mycobacterium tuberculosis O-Acetylserine Sulfhydrylase (OASS) CysK1 in complex with a small molecule inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

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

PLP.1: 16 residues within 4Å: Chain A: K.44, N.74, G.176, V.177, G.178, T.179, G.180, G.181, T.182, Q.221, G.222, I.223, S.266, P.293, D.294, Y.299 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:K.44 Hydrogen bonds: A:N.74, A:G.178, A:T.179, A:G.180, A:G.181, A:T.182, A:T.182, A:T.182, A:S.266 Water bridges: A:N.150, A:T.179, A:I.183 Salt bridges: A:K.44 PLP.5: 16 residues within 4Å: Chain B: K.44, N.74, G.176, V.177, G.178, T.179, G.180, G.181, T.182, Q.221, G.222, I.223, S.266, P.293, D.294, Y.299 14 PLIP interactions: 14 interactions with chain B Hydrophobic interactions: B:K.44 Hydrogen bonds: B:N.74, B:G.178, B:T.179, B:G.180, B:G.181, B:T.182, B:T.182, B:T.182, B:S.266 Water bridges: B:N.150, B:N.150, B:I.183 Salt bridges: B:K.44

2 x AWH: 3-[(Z)-[(5Z)-5-[[2-(2-hydroxy-2-oxoethyloxy)phenyl]methylidene]-3-methyl-4-oxidanylidene-1,3-thiazolidin-2-ylidene]amino]benzoic acid(Non-covalent)

AWH.2: 13 residues within 4Å: Chain A: T.71, S.72, G.73, T.75, M.122, I.126, Q.144, F.145, K.215, G.222, G.224, A.225, F.227 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:I.126, A:F.145, A:F.145, A:F.227 Hydrogen bonds: A:S.72, A:S.72, A:G.73, A:Q.144, A:K.215 Water bridges: A:T.75 pi-Stacking: A:F.145 AWH.6: 13 residues within 4Å: Chain B: T.71, S.72, G.73, T.75, M.122, I.126, Q.144, F.145, K.215, G.222, G.224, A.225, F.227 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:I.126, B:F.145, B:F.145, B:F.227 Hydrogen bonds: B:T.71, B:S.72, B:S.72, B:G.73, B:Q.144, B:K.215 Water bridges: B:T.75 pi-Stacking: B:F.145

4 x MPD: (4S)-2-METHYL-2,4-PENTANEDIOL(Non-functional Binders)

MPD.3: 10 residues within 4Å: Chain A: L.249, A.252, R.253, L.262, V.263, G.264, I.265, G.296, Y.299, L.300 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:L.249, A:A.252, A:R.253, A:L.262, A:Y.299, A:L.300 MPD.4: 4 residues within 4Å: Chain A: D.247, V.251, Q.276, R.279 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:V.251 Hydrogen bonds: A:Q.276, A:R.279, A:R.279 MPD.7: 10 residues within 4Å: Chain B: L.249, A.252, R.253, L.262, V.263, G.264, I.265, G.296, Y.299, L.300 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:L.249, B:A.252, B:R.253, B:L.262, B:Y.299, B:L.300 MPD.8: 4 residues within 4Å: Chain B: D.247, V.251, Q.276, R.279 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.251 Hydrogen bonds: B:Q.276, B:R.279, B:R.279

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Poyraz, O. et al., Structure-Guided Design of Novel Thiazolidine Inhibitors of O-Acetyl Serine Sulfhydrylase from Mycobacterium Tuberculosis. J.Med.Chem. (2013)

Release Date

2013-08-07

Peptides

O-ACETYLSERINE SULFHYDRYLASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

O-ACETYLSERINE SULFHYDRYLASE