SMTL ID : 4iwz.1

structure of hCAII in complex with an acetazolamide derivative

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

monomer

Ligands

1 x 1GO: N-(5-sulfamoyl-1,3,4-thiadiazol-2-yl)-2-(thiophen-2-yl)acetamide(Non-covalent)

1GO.1: 16 residues within 4Å: Chain A: N.64, I.88, Q.89, H.91, H.93, H.116, V.118, F.127, V.139, L.194, T.195, T.196, W.205 Ligands: ZN.2, GOL.3, GOL.4 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:I.88, A:Q.89, A:F.127 Hydrogen bonds: A:Q.89, A:T.195, A:T.195, A:T.196 pi-Stacking: A:F.127

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.91, H.93, H.116, T.195 Ligands: 1GO.1 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.91, A:H.93, A:H.116

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 8 residues within 4Å: Chain A: N.59, H.61, A.62, N.64, Q.89, H.91, T.196 Ligands: 1GO.1 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.59, A:N.64, A:Q.89 GOL.4: 5 residues within 4Å: Chain A: L.57, N.59, N.64, E.66 Ligands: 1GO.1 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.59, A:N.64, A:E.66, A:E.66 GOL.5: 2 residues within 4Å: Chain A: S.96, L.236 No protein-ligand interaction detected (PLIP)

1 x DMS: DIMETHYL SULFOXIDE(Non-functional Binders)

DMS.6: 4 residues within 4Å: Chain A: Y.4, D.239, W.241, P.243 3 PLIP interactions: 3 interactions with chain A Salt bridges: A:D.239 pi-Cation interactions: A:W.241, A:W.241

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Biswas, S. et al., Effect of incorporating a thiophene tail in the scaffold of acetazolamide on the inhibition of human carbonic anhydrase isoforms I, II, IX and XII. Bioorg.Med.Chem.Lett. (2013)

Release Date

2013-12-11

Peptides

Carbonic anhydrase 2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Carbonic anhydrase 2

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