5D1P

Archaeal ATP-dependent RNA ligase - form 2

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)	ATP-dependent RNA ligase	polymer	378	43180.8	2	UniProt (O27289) Pfam (PF09414) Pfam (PF18330)	Methanothermobacter thermautotrophicus (strain ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / Delta H)
2	C, D, E, G, H... (A, B)	SULFATE ION	non-polymer		96.1	6	Chemie (SO4)
3	F, J (A, B)	MAGNESIUM ION	non-polymer		24.3	2	Chemie (MG)
4	K, L (A, B)	water	water		18.0	404	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	86361.6
Non-Polymers*	Number of molecules	8
	Total formula weight	625.0
All*	Total formula weight	86986.6

*Water molecules are not included.