1YSA

THE GCN4 BASIC REGION LEUCINE ZIPPER BINDS DNA AS A DIMER OF UNINTERRUPTED ALPHA HELICES: CRYSTAL STRUCTURE OF THE PROTEIN-DNA COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	DNA (5'-D(*TP*TP*CP*CP*TP*AP*TP*GP*AP*CP*TP*CP*AP*TP*CP*CP*A P*GP*TP*T)-3')	polymer	20	6034.9	1
2	B (B)	DNA (5'-D(*AP*AP*AP*CP*TP*GP*GP*AP*TP*GP*AP*GP*TP*CP*AP*TP*A P*GP*GP*A)-3')	polymer	20	6231.1	1
3	C, D (C, D)	PROTEIN (GCN4)	polymer	58	6892.1	2	UniProt (P03069) Pfam (PF07716)	Saccharomyces cerevisiae (baker's yeast)
4	E, F, G, H (A, B, C, D)	water	water		18.0	17	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	26050.1
All*	Total formula weight	26050.1

*Water molecules are not included.