1PL5

Crystal Structure Analysis of the Sir4p C-terminal Coiled Coil

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, S)	Regulatory protein SIR4	polymer	142	15958.9	2	UniProt (P11978)	Saccharomyces cerevisiae (baker's yeast)	Silent information regulator 4
2	C, D (A, S)	water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	31917.8
All*	Total formula weight	31917.8

*Water molecules are not included.