3SBA

Zn-mediated Hexamer of T4 Lysozyme R76H/R80H by Synthetic Symmetrization

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... (A, B, C, D, E...)	Lysozyme	polymer	165	18574.2	6	UniProt (P00720) Pfam (PF00959)	Enterobacteria phage T4	Endolysin, Lysis protein, Muramidase
2	G, I, J (B, C, F)	ZINC ION	non-polymer		65.4	3	Chemie (ZN)
3	H (B)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	K, L (A, F)	water	water		18.0	4	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F: 1 - 162 (UniProt: P00720)

PDB	External Database	Details
Gly -2	-	expression tag
Gly -1	-	expression tag
Pro 0	-	expression tag
Thr 54	Cys 54	engineered mutation
His 76	Arg 76	engineered mutation
His 80	Arg 80	engineered mutation
Ala 97	Cys 97	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	111445.4
Non-Polymers*	Number of molecules	4
	Total formula weight	231.7
All*	Total formula weight	111677.1

*Water molecules are not included.