4QNV

Crystal structure of Cx-SAM bound CmoB from E. coli in P6122

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)	tRNA (mo5U34)-methyltransferase	polymer	323	37052.5	2	UniProt (A1AC32) Pfam (PF08003)	Escherichia coli
2	C, E (A, B)	PHOSPHATE ION	non-polymer		95.0	2	Chemie (PO4)
3	D, F (A, B)	(2S)-4-[{[(2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl]methyl}(carboxylatomethyl)sulfonio] -2-ammoniobutanoate	non-polymer		442.4	2	Chemie (GEK)
4	G, H (A, B)	water	water		18.0	40	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	74105.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1074.8
All*	Total formula weight	75179.8

*Water molecules are not included.