SMTL ID : 6pux.1

Homoserine transacetylase MetX from Mycobacterium tuberculosis

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: G.289, R.290, G.291, R.292, G.293, G.294 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:G.291, A:G.293 SO4.2: 6 residues within 4Å: Chain A: T.70, R.221, Q.263, K.266, L.267, R.270 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:Q.263 Water bridges: A:R.221, A:L.267 Salt bridges: A:R.221, A:K.266, A:R.270 SO4.3: 3 residues within 4Å: Chain A: K.196, W.201, S.203 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.201 Salt bridges: A:K.196 SO4.10: 4 residues within 4Å: Chain B: Q.323, A.326, G.334, L.335 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.323, B:L.335 Water bridges: B:D.327, B:D.327 SO4.11: 1 residues within 4Å: Chain B: R.111 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.111 SO4.12: 3 residues within 4Å: Chain B: R.179, G.294, V.295 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:R.179, B:V.295 Water bridges: B:S.296 SO4.13: 3 residues within 4Å: Chain B: K.196, W.201, S.203 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.201 Salt bridges: B:K.196 SO4.14: 4 residues within 4Å: Chain B: T.70, R.221, K.266, R.270 5 PLIP interactions: 5 interactions with chain B Hydrogen bonds: B:R.221 Water bridges: B:Q.263, B:L.267 Salt bridges: B:K.266, B:R.270 SO4.15: 3 residues within 4Å: Chain B: R.36, K.39, L.40 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:L.40 Water bridges: B:R.36 Salt bridges: B:R.36

6 x MG: MAGNESIUM ION(Non-covalent)

MG.4: 2 residues within 4Å: Chain A: D.287 Chain B: N.240 6 PLIP interactions: 1 interactions with chain A, 5 Ligand-Water interactions Metal complexes: A:D.287, H2O.3, H2O.8, H2O.8, H2O.10, H2O.16 MG.5: 5 residues within 4Å: Chain A: A.326, D.327, L.329, P.330, C.332 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:A.326, A:L.329, H2O.9, H2O.9 MG.6: 6 residues within 4Å: Chain A: S.124, I.125, A.282, S.285, H.286, R.290 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:A.282, A:S.285, H2O.7 MG.16: 6 residues within 4Å: Chain B: S.124, I.125, A.282, S.285, H.286, R.290 3 PLIP interactions: 2 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:A.282, B:S.285, H2O.17 MG.17: 5 residues within 4Å: Chain B: A.326, D.327, L.329, P.330, C.332 3 PLIP interactions: 1 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:L.329, H2O.18, H2O.19 MG.18: 2 residues within 4Å: Chain A: N.240 Chain B: D.287 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.287, H2O.3, H2O.13, H2O.20

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

CL.7: 3 residues within 4Å: Chain A: G.294, V.295, S.296 Ligand excluded by PLIP CL.8: 4 residues within 4Å: Chain A: A.53, L.54, T.55, R.221 Ligand excluded by PLIP CL.19: 2 residues within 4Å: Chain B: A.25, V.26 Ligand excluded by PLIP

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.9: 8 residues within 4Å: Chain A: D.235 Chain B: A.178, R.179, T.181, V.295, R.320, L.321, E.324 6 PLIP interactions: 1 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:D.235, B:R.179, B:R.320, B:R.320, B:E.324 Water bridges: B:A.178

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Chaton, C.T. et al., Structural analysis of mycobacterial homoserine transacetylases central to methionine biosynthesis reveals druggable active site. Sci Rep (2019)

Release Date

2019-07-31

Peptides

Homoserine O-acetyltransferase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Homoserine O-acetyltransferase