1B0C

EVIDENCE OF A COMMON DECAMER IN THREE CRYSTAL STRUCTURES OF BPTI, CRYSTALLIZED FROM THIOCYANATE, CHLORIDE OR SULFATE

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D, E	PROTEIN (PANCREATIC TRYPSIN INHIBITOR)	polymer	58	6527.6	5	UniProt (P00974) Pfam (PF00014) In PDB	Bos taurus (cattle)	BASIC PROTEASE INHIBITOR, BPI, BPTI, APROTININ
2		water	water		18.0	58	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	32637.8
All*	Total formula weight	32637.8

*Water molecules are not included.