1NKN

VISUALIZING AN UNSTABLE COILED COIL: THE CRYSTAL STRUCTURE OF AN N-TERMINAL SEGMENT OF THE SCALLOP MYOSIN ROD

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)	S2N51-GCN4	polymer	89	10559.2	4	UniProt (P03069) Pfam (PF07716) UniProt (by SIFTS) (Q17042)	Argopecten irradians Saccharomyces cerevisiae ( baker's yeast)
2	E, F, G, H (A, B, C, D)	water	water		18.0	82	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	42236.7
All*	Total formula weight	42236.7

*Water molecules are not included.