5BU5

HK620 Tail Needle crystallized at pH 9 (crystal form I)

Replaces:  4FMY

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, E...	DNA stabilization protein	polymer	233	25084.8	6	UniProt (Q9AYZ3) In PDB	Enterobacteria phage HK620
2	A, D	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	A, D	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
4		water	water		18.0	926	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	150508.7
Non-Polymers*	Number of molecules	4
	Total formula weight	151.1
All*	Total formula weight	150659.8

*Water molecules are not included.