1BK5

KARYOPHERIN ALPHA FROM SACCHAROMYCES CEREVISIAE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	KARYOPHERIN ALPHA	polymer	422	46718.4	2	UniProt (Q02821) Pfam (PF00514) Pfam (PF16186) In PDB	Saccharomyces cerevisiae (baker's yeast)	IMPORTIN ALPHA, SRP1P
2	A, B	COBALT (II) ION	non-polymer		58.9	2	Chemie (CO)
3		water	water		18.0	230	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	93436.9
Non-Polymers*	Number of molecules	2
	Total formula weight	117.9
All*	Total formula weight	93554.7

*Water molecules are not included.