4ZXQ

P22 Tail Needle Gp26 1-140 crystallized at pH 3.9

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...	Tail needle protein gp26	polymer	144	15306.8	6	UniProt (P35837) In PDB	Enterobacteria phage P22	Head completion protein,Packaged DNA stabilization protein,Tail accessory factor gp26
2	A, D	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4		water	water		18.0	495	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 140 (UniProt: P35837)

PDB	External Database	Details
Gly -3	-	expression tag
Pro -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	91841.0
Non-Polymers*	Number of molecules	3
	Total formula weight	115.6
All*	Total formula weight	91956.6

*Water molecules are not included.