2WSH

Structure of bacteriophage T4 EndoII E118A mutant

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 (A, B, C, D)	ENDONUCLEASE II	polymer	143	16914.8	4	UniProt (P07059) Pfam (PF01541)	ENTEROBACTERIA PHAGE T4
2	E (A)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	F, G (B, C)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
4	H, I, J, K (A, B, C, D)	water	water		18.0	373	Chemie (HOH)

Sequence modifications

A, B, C, D: -7 - -1 (PDB: 2WSH)
A, B, C, D: 1 - 136 (UniProt: P07059)

PDB	External Database	Details
Ala 118	Glu 126	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	67659.4
Non-Polymers*	Number of molecules	3
	Total formula weight	307.2
All*	Total formula weight	67966.6

*Water molecules are not included.