1PRH

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

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	PROSTAGLANDIN H2 SYNTHASE-1	polymer	554	63867.3	2	UniProt (P05979) Pfam (PF03098)	Ovis aries (sheep)
2	C, D (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)

Sequence modifications

A, B: 33 - 586 (UniProt: P05979)

PDB	External Database	Details
Leu 92	Met 92	conflict
Gln 310	Asn 310	conflict
Lys 333	Arg 333	conflict

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	127734.7
Non-Polymers*	Number of molecules	2
	Total formula weight	1233.0
All*	Total formula weight	128967.7

*Water molecules are not included.