SMTL ID : 2aw1.1

Carbonic anhydrase inhibitors: Valdecoxib binds to a different active site region of the human isoform II as compared to the structurally related cyclooxygenase II "selective" inhibitor Celecoxib

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.46 Å

Oligo State

monomer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 5 residues within 4Å: Chain A: H.93, H.95, H.118, T.197 Ligands: COX.3 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:H.93, A:H.95, A:H.118

1 x HGB: 4-(HYDROXYMERCURY)BENZOIC ACID(Non-covalent)

HGB.2: 5 residues within 4Å: Chain A: Q.134, Q.135, P.136, E.203, C.204 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Hydrophobic interactions: A:P.136 Metal complexes: A:Q.135, A:C.204, H2O.108

1 x COX: 4-(5-METHYL-3-PHENYLISOXAZOL-4-YL)BENZENESULFONAMIDE(Non-covalent)

COX.3: 17 residues within 4Å: Chain A: I.90, Q.91, H.93, H.95, H.118, V.120, F.129, V.133, L.139, V.141, L.196, T.197, T.198, P.199, W.207 Ligands: ZN.1, GOL.4 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:I.90, A:V.120, A:V.120, A:F.129, A:V.133, A:L.139, A:L.196, A:L.196 Hydrogen bonds: A:T.197, A:T.197

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 8 residues within 4Å: Chain A: N.61, H.63, A.64, N.66, Q.91, H.93, T.198 Ligands: COX.3 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.61, A:N.66, A:N.66, A:Q.91 Water bridges: A:T.198 GOL.5: 3 residues within 4Å: Chain A: K.38, Q.253, K.255 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.38, A:Q.253, A:K.255, A:K.255

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Di Fiore, A. et al., Carbonic anhydrase inhibitors: Valdecoxib binds to a different active site region of the human isoform II as compared to the structurally related cyclooxygenase II. Bioorg.Med.Chem.Lett. (2006)

Release Date

2006-07-04

Peptides

Carbonic anhydrase II: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Carbonic anhydrase II

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