1PK4

CRYSTAL AND MOLECULAR STRUCTURE OF HUMAN PLASMINOGEN KRINGLE 4 REFINED AT 1.9-ANGSTROMS RESOLUTION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	PLASMINOGEN KRINGLE 4	polymer	79	9041.0	1	UniProt (P00747) Pfam (PF00051) In PDB	Homo sapiens (human)
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3		water	water		18.0	96	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	9041.0
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	9137.0

*Water molecules are not included.