2CJB

Crystal structure of Methanosarcina barkeri seryl-tRNA synthetase complexed with serine

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)	SERYL-TRNA SYNTHETASE	polymer	522	60076.5	2	UniProt (Q46AN5) Pfam (PF18490)	METHANOSARCINA BARKERI
2	C, F (A, B)	SERINE	non-polymer		105.1	2	Chemie (SER)
3	D, G (A, B)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
4	E, H (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	I, J (A, B)	water	water		18.0	99	Chemie (HOH)

Sequence modifications

A, B: -20 - -1 (PDB: 2CJB)
A, B: 1 - 502 (UniProt: Q46AN5)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	120153.0
Non-Polymers*	Number of molecules	6
	Total formula weight	411.9
All*	Total formula weight	120564.9

*Water molecules are not included.