1MSP

MAJOR SPERM PROTEIN, ALPHA ISOFORM (RECOMBINANT), PH 4.6

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	MAJOR SPERM PROTEIN	polymer	126	14278.1	2	UniProt (P27439) Pfam (PF00635) In PDB	Ascaris suum (pig roundworm)	MSP
2		water	water		18.0	74	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	28556.2
All*	Total formula weight	28556.2

*Water molecules are not included.