3PKZ

Structural basis for catalytic activation of a serine recombinase

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...	Recombinase Sin	polymer	124	14378.7	12	UniProt (D2J612) Pfam (PF00239) UniProt (by SIFTS) (P20384) In PDB	Staphylococcus aureus
2	I, J, K, L, A...	SULFATE ION	non-polymer		96.1	20	Chemie (SO4)
3	I, H	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	I, K	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
5		water	water		18.0	890	Chemie (HOH)

Sequence modifications

A, B, C, D, E, F, G, H, I, J, K, L: 1 - 124 (UniProt: D2J612)

PDB	External Database	Details
Glu 54	Arg 54	engineered mutation
Arg 115	Gln 115	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	12
	Total formula weight	172544.7
Non-Polymers*	Number of molecules	24
	Total formula weight	2229.6
All*	Total formula weight	174774.2

*Water molecules are not included.