MolNFT v1 · #9335 · protein
The 2.75 ångström resolution model of ovine COX-1 complexed with methyl ester flurbiprofen
1HT5 · Prostaglandin H2 synthase-1: “The 2.75 ångström resolution model of ovine COX-1 complexed with methyl ester flurbiprofen”. X-ray diffraction, 3 ligands (HEM, FL2, NAG), 7 pockets (best druggability 0.86). MolNFT v1 #9335 on…
- PDB
- 1HT5
- Type
- protein
- Length
- 1,102 residues
- Chains
- 2
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- Prostaglandin H2 synthase-1
- EC
- 1.14.99.1
- UniProt
- P05979
- Ligands
- HEM, FL2, NAG
- Pockets
- 7 · best druggability 0.86
Structure
x-ray diffraction · 1 distinct chain · 46% helix, 10% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, B | Prostaglandin H2 synthase-1 (EC 1.14.99.1) | protein | 551 | 46% helix, 10% strand | P05979 |
Ligands and binding sites
- HEM · Protoporphyrin IX containing Fe · ligand · 2 copies · chains A, B
- FL2 · Flurbiprofen methyl ester · ligand · 2 copies · chains A, B
- NAG · 2-acetamido-2-deoxy-beta-D-glucopyranose · sugar · 10 copies · chains A, B
- BOG · octyl beta-D-glucopyranoside · additive · 3 copies · chains A, B
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
7 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1025 | 0.86 | 0.86 | 123 | BOG, FL2 |
| 2 | 1145 | 0.84 | 0.85 | 126 | BOG, FL2 |
| 3 | 623 | 0.79 | 0.84 | 84 | empty |
| 4 | 480 | 0.68 | 0.79 | 40 | HEM |
| 5 | 436 | 0.65 | 0.78 | 41 | HEM |
Interfaces
1 interface between chains.
- A–B · 2614 Ų buried · 33 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 10 disulfide (disulfide).
Compared structures
- 1HT5 · The 2.75 ångström resolution model of ovine COX-1 complexed with methyl ester flurbiprofen · the same entry in another collection · chain A against A, TM-score 1.00
- P05979 · AlphaFold monomer V2.0 prediction for prostaglandin G/H synthase 1 (P05979) · a predicted model of the same protein · chain A against A, TM-score 1.00
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt P05979
- Elsewhere: RCSB PDB 1HT5 · PDBe 1HT5 · UniProt P05979
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