4M9X

Crystal structure of CED-4 bound CED-3 fragment

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, B)	Cell death protein 4	polymer	549	62953.3	2	UniProt (P30429) Pfam (PF00619) Pfam (PF00931) Pfam (PF22094)	Caenorhabditis elegans (nematode)
2	B, D (C, D)	CED-3 fragment	polymer	8	910.1	2
3	E, G (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	F, H (A, B)	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	2	Chemie (ATP)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	127726.7
Non-Polymers*	Number of molecules	4
	Total formula weight	1063.0
All*	Total formula weight	128789.7

*Water molecules are not included.