4M9S

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, B, C, D	Cell death protein 4	polymer	549	63797.4	4	UniProt (P30429) Pfam (PF00619) Pfam (PF00931) In PDB	Caenorhabditis elegans (nematode)
2	E, F, G, H	CED-3 fragment	polymer	8	1040.0	4
3	A, B, C, D	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
4	A, B, C, D	ADENOSINE-5'-TRIPHOSPHATE	non-polymer		507.2	4	Chemie (ATP)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	259349.4
Non-Polymers*	Number of molecules	8
	Total formula weight	2125.9
All*	Total formula weight	261475.4

*Water molecules are not included.