5DOR

P2 Integrase catalytic domain in space group P21

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)	Integrase	polymer	176	19568.6	4	UniProt (P36932) Pfam (PF00589)	Enterobacteria phage P2
2	E (B)	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
3	F (B)	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
4	G, H, I, J (A, B, C, D)	water	water		18.0	74	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	78274.3
Non-Polymers*	Number of molecules	2
	Total formula weight	160.4
All*	Total formula weight	78434.7

*Water molecules are not included.