SMTL ID : 4hf3.1

Activity Enhancers of H64A Variant of Human Carbonic Anhydrase II Possess Multiple Binding Sites within and around the Enzyme Structure

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.15 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 6 residues within 4Å: Chain A: H.94, H.96, E.106, H.119, T.198 Ligands: IMD.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.94, A:H.96, A:H.119

9 x IMD: IMIDAZOLE(Non-covalent)

IMD.2: 9 residues within 4Å: Chain A: H.94, H.96, H.119, V.142, L.197, T.198, T.199, W.208 Ligands: ZN.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.198, A:T.199 IMD.3: 3 residues within 4Å: Chain A: V.49, R.181, L.184 No protein-ligand interaction detected (PLIP) IMD.4: 5 residues within 4Å: Chain A: Y.7, P.13, D.242, W.244, P.246 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:W.244 pi-Stacking: A:W.244, A:W.244 IMD.5: 4 residues within 4Å: Chain A: T.55, L.57, D.71, K.76 No protein-ligand interaction detected (PLIP) IMD.6: 2 residues within 4Å: Chain A: R.181, G.182 No protein-ligand interaction detected (PLIP) IMD.7: 5 residues within 4Å: Chain A: F.130, V.134, L.197, P.201, L.203 No protein-ligand interaction detected (PLIP) IMD.8: 5 residues within 4Å: Chain A: R.58, L.60, N.61, N.62, G.170 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.61, A:G.170 IMD.9: 6 residues within 4Å: Chain A: T.37, A.38, K.39, Q.254, I.255, K.256 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.256 Water bridges: A:I.255 IMD.10: 3 residues within 4Å: Chain A: D.129, F.130, G.131 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:D.129, A:F.130, A:G.131 Water bridges: A:D.129, A:G.131

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Aggarwal, M. et al., Structural insight into activity enhancement and inhibition of H64A carbonic anhydrase II by imidazoles. IUCrJ (2014)

Release Date

2013-10-23

Peptides

Carbonic anhydrase 2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Carbonic anhydrase 2

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