SMTL ID : 5tt3.4 (3 other biounits)

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

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

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

2 x EZL: 6-ethoxy-1,3-benzothiazole-2-sulfonamide(Non-covalent)

EZL.3: 11 residues within 4Å: Chain A: H.97, H.99, H.116, V.118, V.128, L.177, T.178, A.179, P.180, W.188 Ligands: ZN.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.120, A:T.178, A:T.178, A:A.179 EZL.6: 11 residues within 4Å: Chain B: H.97, H.99, H.116, V.118, L.177, T.178, A.179, P.180, W.188 Ligands: ZN.4, GOL.7 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:T.178, B:T.178

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.7: 6 residues within 4Å: Chain B: H.71, T.73, K.75, N.95, H.97 Ligands: EZL.6 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:H.71, B:N.95 Water bridges: B:D.94

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
G

B
H

Alpha-carbonic anhydrase

Related Entries With Identical Sequence