1prh | pdb_00001prh

THE X-RAY CRYSTAL STRUCTURE OF THE MEMBRANE PROTEIN PROSTAGLANDIN H2 SYNTHASE-1

spinqualitylabelsall models 1prh, resolution 3.50Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 1prh is a 2 chain structure with sequence from Ovis aries. The May 2001 RCSB PDB Molecule of the Month feature on Cyclooxygenase by David S. Goodsell is 10.2210/rcsb_pdb/mom_2001_5. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 3.5Å Ligands: HEM Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function PGH1_SHEEP May play an important role in regulating or promoting cell proliferation in some normal and neoplastically transformed cells. Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMed The three-dimensional structure of prostaglandin H2 synthase-1, an integral membrane protein, has been determined at 3.5 A resolution by X-ray crystallography. This bifunctional enzyme comprises three independent folding units: an epidermal growth factor domain, a membrane-binding motif and an enzymatic domain. Two adjacent but spatially distinct active sites were found for its haem-dependent peroxidase and cyclooxygenase activities. The cyclooxygenase active site is created by a long, hydrophobic channel that is the site of non-steroidal anti-inflammatory drug binding. The conformation of the membrane-binding motif strongly suggests that the enzyme integrates into only one leaflet of the lipid bilayer and is thus a monotopic membrane protein. The X-ray crystal structure of the membrane protein prostaglandin H2 synthase-1.,Picot D, Loll PJ, Garavito RM Nature. 1994 Jan 20;367(6460):243-9. PMID:8121489 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See Also Cyclooxygenase 3D structures

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