8H1B

Crystal structure of MnmM from S. aureus complexed with SAM and tRNA anti-codon stem loop (ASL) (1.55 A)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	rRNA methylase YtqB	polymer	195	21964.9	2	UniProt (Q2FXG9) Pfam (PF06962) In PDB	Staphylococcus aureus subsp. aureus NCTC 8325
2	C, D	RNA (5'-R(*AP*CP*GP*GP*AP*CP*UP*UP*UP*GP*AP*CP*UP*CP*CP*GP*U)-3')	polymer	17	5380.2	2		Staphylococcus aureus subsp. aureus NCTC 8325
3	A, B	S-ADENOSYLMETHIONINE	non-polymer		398.4	2	Chemie (SAM)
4	C	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
5		water	water		18.0	421	Chemie (HOH)

Sequence modifications

A, B: 1 - 187 (UniProt: Q2FXG9)

PDB	External Database	Details
Gly 188	-	expression tag
His 189	-	expression tag
His 190	-	expression tag
His 191	-	expression tag
His 192	-	expression tag
His 193	-	expression tag
His 194	-	expression tag
Gly 195	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	54690.3
Non-Polymers*	Number of molecules	3
	Total formula weight	819.9
All*	Total formula weight	55510.2

*Water molecules are not included.