1GRW

C. elegans major sperm protein

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 (A, B, C, D)	MAJOR SPERM PROTEIN 31/40/142	polymer	126	14095.8	4	UniProt (P53017) Pfam (PF00635)	CAENORHABDITIS ELEGANS (C.ELEGANS)	MSP
2	E, F, G, H (A, B, C, D)	water	water		18.0	74	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	56383.4
All*	Total formula weight	56383.4

*Water molecules are not included.