2P4E

Crystal Structure of PCSK9

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	P, A	Proprotein convertase subtilisin/kexin type 9	polymer	692	74461.3	2	UniProt (Q8NBP7) Pfam (PF05922) Pfam (PF00082) Pfam (PF18459) Pfam (PF18464) Pfam (PF18463) In PDB	Homo sapiens (human)	Proprotein convertase PC9, Subtilisin/kexin-like protease PC9, Neural apoptosis-regulated convertase 1, NARC-1
2	P	MERCURY (II) ION	non-polymer		200.6	2	Chemie (HG)
3		water	water		18.0	371	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	148922.6
Non-Polymers*	Number of molecules	2
	Total formula weight	401.2
All*	Total formula weight	149323.8

*Water molecules are not included.