SMTL ID : 5tt8.2 (3 other biounits)

Crystal structure of the complex of Helicobacter pylori alpha-carbonic anhydrase with benzolamide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 6 residues within 4Å: Chain A: H.97, H.99, H.116, T.178 Ligands: D8W.3, GOL.4 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.97, A:H.99, A:H.116 ZN.5: 6 residues within 4Å: Chain B: H.97, H.99, E.103, H.116, T.178 Ligands: D8W.6 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:H.97, B:H.99, B:H.116

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

CL.2: 5 residues within 4Å: Chain A: M.102, E.103, F.104, S.114, H.116 Ligand excluded by PLIP

2 x D8W: 5-[(phenylsulfonyl)amino]-1,3,4-thiadiazole-2-sulfonamide(Non-covalent)

D8W.3: 16 residues within 4Å: Chain A: K.75, D.94, N.95, H.97, H.99, H.116, V.118, K.120, L.126, V.128, L.177, T.178, A.179, W.188 Ligands: ZN.1, GOL.4 7 PLIP interactions: 7 interactions with chain A Hydrophobic interactions: A:K.120, A:L.126 Hydrogen bonds: A:N.95, A:H.116, A:T.178, A:T.178, A:A.179 D8W.6: 13 residues within 4Å: Chain B: K.75, D.94, N.95, H.97, H.99, E.103, V.118, K.120, L.126, L.177, T.178, A.179 Ligands: ZN.5 6 PLIP interactions: 6 interactions with chain B Hydrophobic interactions: B:K.120, B:L.126 Hydrogen bonds: B:N.95, B:T.178, B:T.178, B:A.179

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 8 residues within 4Å: Chain A: W.10, T.70, H.71, T.73, H.97, A.179 Ligands: ZN.1, D8W.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:H.71

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Modak, J.K. et al., Structure-Activity Relationship for Sulfonamide Inhibition of Helicobacter pylori alpha-Carbonic Anhydrase. J. Med. Chem. (2016)

Release Date

2017-09-13

Peptides

Alpha-carbonic anhydrase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

Alpha-carbonic anhydrase

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