SMTL ID : 2q3d.1

2.2 A Resolution Crystal Structure of O-Acetylserine Sulfhydrylase (OASS) From MYCOBACTERIUM TUBERCULOSIS in Complex with the Reaction Intermediate ALPHA-AMINOACRYLATE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x PDA: 2-[(3-HYDROXY-2-METHYL-5-PHOSPHONOOXYMETHYL-PYRIDIN-4-YLMETHYL)-AMINO]-PROPIONIC ACID(Non-covalent)

PDA.1: 21 residues within 4Å: Chain A: K.47, T.74, S.75, G.76, N.77, T.78, Q.147, G.179, V.180, G.181, T.182, G.183, G.184, T.185, Q.224, G.225, I.226, S.269, P.296, D.297, Y.302 24 PLIP interactions: 24 interactions with chain A Hydrophobic interactions: A:T.182, A:I.226, A:P.296 Hydrogen bonds: A:S.75, A:G.76, A:N.77, A:N.77, A:T.78, A:Q.147, A:Q.147, A:G.179, A:G.181, A:T.182, A:G.183, A:G.184, A:T.185, A:T.185, A:S.269 Water bridges: A:R.105, A:N.153, A:T.182, A:I.186 Salt bridges: A:K.47, A:K.47 PDA.3: 21 residues within 4Å: Chain B: K.47, T.74, S.75, G.76, N.77, T.78, Q.147, G.179, V.180, G.181, T.182, G.183, G.184, T.185, Q.224, G.225, I.226, S.269, P.296, D.297, Y.302 27 PLIP interactions: 27 interactions with chain B Hydrophobic interactions: B:T.182, B:I.226, B:P.296 Hydrogen bonds: B:T.74, B:S.75, B:G.76, B:N.77, B:N.77, B:T.78, B:T.78, B:Q.147, B:Q.147, B:G.179, B:G.181, B:T.182, B:G.183, B:G.184, B:T.185, B:S.269 Water bridges: B:R.105, B:N.153, B:T.182, B:T.185, B:T.185, B:I.186 Salt bridges: B:K.47, B:K.47

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

MPD.2: 4 residues within 4Å: Chain A: D.250, V.254, Q.279, R.282 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.254 Hydrogen bonds: A:D.250, A:Q.279, A:R.282, A:R.282 MPD.4: 4 residues within 4Å: Chain B: D.250, V.254, Q.279, R.282 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.254 Hydrogen bonds: B:D.250, B:Q.279, B:R.282, B:R.282

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Schnell, R. et al., Structural Insights into Catalysis and Inhibition of O-Acetylserine Sulfhydrylase from Mycobacterium tuberculosis: CRYSTAL STRUCTURES OF THE ENZYME {alpha}-AMINOACRYLATE INTERMEDIATE AND AN ENZYME-INHIBITOR COMPLEX. J.Biol.Chem. (2007)

Release Date

2007-06-12

Peptides

Cysteine synthase A: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Cysteine synthase A

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