4QNU

Crystal structure of CmoB bound with Cx-SAM in P21212

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, E... (A, B, C, D, E...)	tRNA (mo5U34)-methyltransferase	polymer	323	37052.5	8	UniProt (A1AC32) Pfam (PF08003)	Escherichia coli
2	I, L, N, P, R... (A, B, C, D, E...)	(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	8	Chemie (GEK)
3	J, K, M, O, Q... (A, B, C, D, E...)	PHOSPHATE ION	non-polymer		95.0	10	Chemie (PO4)
4	AA, BA, CA, DA, EA... (A, B, C, D, E...)	water	water		18.0	339	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	296419.9
Non-Polymers*	Number of molecules	18
	Total formula weight	4489.3
All*	Total formula weight	300909.2

*Water molecules are not included.