SMTL ID : 1pxx.1 (1 other biounit)

CRYSTAL STRUCTURE OF DICLOFENAC BOUND TO THE CYCLOOXYGENASE ACTIVE SITE OF COX-2

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.90 Å

Oligo State

homo-dimer

Ligands

2 x NAG- NAG- NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-NAG-NAG.1: 6 residues within 4Å: Chain A: E.126, N.130, Y.133, R.202, F.206 Chain B: D.225 No protein-ligand interaction detected (PLIP) NAG-NAG-NAG.2: 7 residues within 4Å: Chain A: L.224, D.225 Chain B: E.126, N.130, Y.133, R.202, F.206 No protein-ligand interaction detected (PLIP)

4 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.3: 5 residues within 4Å: Chain A: S.23, P.25, Y.40, E.52, N.53 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:P.25 Hydrogen bonds: A:Y.40, A:Y.40, A:E.52, A:E.52, A:N.53 NAG.4: 5 residues within 4Å: Chain A: Y.388, Q.392, N.396, S.398, I.399 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.388, A:N.396 NAG.8: 5 residues within 4Å: Chain B: S.23, P.25, Y.40, E.52, N.53 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:P.25 Hydrogen bonds: B:Y.40, B:E.52, B:E.52, B:N.53 Water bridges: B:Q.27, B:N.53 NAG.9: 4 residues within 4Å: Chain B: Q.392, N.396, S.398, I.399 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:Y.388, B:N.396

1 x BOG: octyl beta-D-glucopyranoside(Non-covalent)

BOG.5: 5 residues within 4Å: Chain A: E.165, L.169, R.171, I.428, Q.431 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:E.165, A:Q.431

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.6: 20 residues within 4Å: Chain A: Y.134, A.185, F.186, Q.189, T.192, H.193, F.196, K.197, T.198, V.281, N.368, Y.371, H.372, W.373, H.374, L.377, L.394, V.433, A.436, Q.440 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:F.186, A:Q.189, A:Q.189, A:F.196, A:V.281, A:Y.371, A:W.373, A:L.377, A:L.377, A:L.394, A:V.433, A:V.433 Hydrogen bonds: A:Y.134, A:T.198, A:N.368, A:Q.440 Salt bridges: A:H.200, A:H.200 pi-Stacking: A:H.193 Metal complexes: A:H.374 HEM.10: 19 residues within 4Å: Chain B: Y.134, A.185, F.186, A.188, Q.189, H.193, F.196, K.197, T.198, V.281, N.368, Y.371, H.372, W.373, H.374, L.377, L.394, V.433, Q.440 22 PLIP interactions: 22 interactions with chain B, Hydrophobic interactions: B:F.186, B:A.188, B:Q.189, B:Q.189, B:F.196, B:F.196, B:V.281, B:Y.371, B:W.373, B:L.377, B:L.377, B:L.394, B:V.433, B:V.433 Hydrogen bonds: B:Y.134, B:T.198, B:T.198, B:N.368, B:Q.440 Salt bridges: B:H.200 pi-Stacking: B:H.193 Metal complexes: B:H.374

2 x DIF: 2-[2,6-DICHLOROPHENYL)AMINO]BENZENEACETIC ACID(Non-covalent)

DIF.7: 12 residues within 4Å: Chain A: Y.334, V.335, L.338, L.370, Y.371, W.373, M.508, V.509, G.512, A.513, S.516, L.517 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:Y.334, A:V.335, A:L.338, A:L.370, A:Y.371, A:W.373, A:W.373, A:A.513 Hydrogen bonds: A:Y.371, A:S.516 DIF.11: 11 residues within 4Å: Chain B: Y.334, V.335, L.338, L.370, Y.371, W.373, M.508, V.509, G.512, A.513, S.516 8 PLIP interactions: 8 interactions with chain B Hydrophobic interactions: B:Y.334, B:V.335, B:L.338, B:L.370, B:W.373, B:W.373, B:A.513 Hydrogen bonds: B:S.516

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rowlinson, S.W. et al., A Novel Mechanism of Cyclooxygenase-2 Inhibition Involving Interactions with Ser-530 and Tyr-385. J.Biol.Chem. (2003)

Release Date

2003-09-09

Peptides

Prostaglandin G/H synthase 2: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Prostaglandin G/H synthase 2

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