8A3G

X-ray crystal structure of a de novo designed antiparallel coiled-coil homotetramer with 4 heptad repeats, apCC-Tet*

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, B)	apCC-Tet*	polymer	32	3463.1	2		synthetic construct
2	C (A)	ACETATE ION	non-polymer		59.0	1	Chemie (ACT)
3	D (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
4	E, F (A, B)	water	water		18.0	39	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	6926.2
Non-Polymers*	Number of molecules	2
	Total formula weight	82.0
All*	Total formula weight	7008.2

*Water molecules are not included.