SMTL ID : 7s2k.1

Crystal structure of sulfonamide resistance enzyme Sul2 in complex with 7,8-dihydropteroate, magnesium, and pyrophosphate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.74 Å

Oligo State

homo-dimer

Ligands

2 x 78H: 7,8-DIHYDROPTEROATE(Non-covalent)

78H.1: 17 residues within 4Å: Chain A: F.18, S.52, N.53, D.85, N.104, I.106, M.128, D.174, G.178, F.179, F.180, L.207, S.209, K.213, S.214, R.247 Ligands: POP.2 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:N.53, A:F.180, A:K.213 Hydrogen bonds: A:S.52, A:N.104, A:N.104, A:F.179, A:K.213, A:S.214 Water bridges: A:D.174, A:S.209, A:S.214, A:F.215, A:R.217 Salt bridges: A:D.85, A:D.174 pi-Stacking: A:F.18 pi-Cation interactions: A:K.213, A:R.247 78H.6: 18 residues within 4Å: Chain B: S.52, N.53, D.85, N.104, I.106, V.126, M.128, A.136, D.174, G.178, F.179, F.180, L.207, S.209, K.213, S.214, R.247 Ligands: PAB.7 17 PLIP interactions: 17 interactions with chain B Hydrophobic interactions: B:A.136, B:F.180, B:K.213 Hydrogen bonds: B:S.52, B:N.53, B:D.85, B:N.104, B:N.104, B:F.179, B:K.213, B:S.214 Water bridges: B:G.176, B:S.209, B:F.215 Salt bridges: B:D.85, B:D.174 pi-Cation interactions: B:K.213

1 x POP: PYROPHOSPHATE 2-(Non-covalent)

POP.2: 11 residues within 4Å: Chain A: I.10, N.12, S.17, F.18, S.51, S.52, N.53, R.247, H.249 Ligands: 78H.1, MG.3 12 PLIP interactions: 12 interactions with chain A Hydrogen bonds: A:N.12, A:N.12, A:F.18, A:S.51, A:S.52, A:N.53 Water bridges: A:S.17, A:S.19, A:D.85, A:K.213 Salt bridges: A:R.247, A:H.249

1 x MG: MAGNESIUM ION(Non-covalent)

MG.3: 3 residues within 4Å: Chain A: N.12, R.247 Ligands: POP.2 No protein-ligand interaction detected (PLIP)

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 6 residues within 4Å: Chain A: G.228, P.253 Chain B: G.228, A.229, L.232, P.253 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Water bridges: B:G.228, B:L.232, A:G.228, A:L.232

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

CL.5: 3 residues within 4Å: Chain A: R.269, I.270, R.271 Ligand excluded by PLIP

1 x PAB: 4-AMINOBENZOIC ACID(Non-covalent)

PAB.7: 8 residues within 4Å: Chain B: I.10, N.12, N.53, S.211, R.212, R.247, H.249 Ligands: 78H.6 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:N.12, B:R.212 Water bridges: B:R.217 Salt bridges: B:K.213, B:R.247, B:H.249

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Venkatesan, M. et al., Molecular mechanism of plasmid-borne resistance to sulfonamide antibiotics. Nat Commun (2023)

Release Date

2023-05-03

Peptides

Sul2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Sul2

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