3KU1

Crystal structure of Streptococcus pneumoniae Sp1610, a putative tRNA (m1A22) methyltransferase, in complex with S-adenosyl-L-methionine

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...)	SAM-dependent methyltransferase	polymer	225	24965.7	8	UniProt (Q97PJ9) Pfam (PF04816) UniProt (by SIFTS) (A0A0H2UR54)	Streptococcus pneumoniae	putative tRNA (m1A22) methyltransferase
2	I, J, K, L (A, C, G, H)	S-ADENOSYLMETHIONINE	non-polymer		398.4	4	Chemie (SAM)

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	199726.0
Non-Polymers*	Number of molecules	4
	Total formula weight	1593.7
All*	Total formula weight	201319.7

*Water molecules are not included.