5M1P

Crystal structure of the large terminase nuclease from thermophilic phage G20c with bound Calcium

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Terminase large subunit	polymer	191	21174.8	2	UniProt (by SIFTS) (A0A1L4BKS3)	Thermus phage G20c
2	C, D (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	E, F, G, H, I... (A, B)	water	water		18.0	420	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42349.6
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	42429.8

*Water molecules are not included.