3P2K

Structure of an antibiotic related Methyltransferase

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 (A, B, C, D)	16S rRNA methylase	polymer	225	25751.4	4	UniProt (A8C927)	Escherichia coli
2	E, F, G, H (A, B, C, D)	S-ADENOSYLMETHIONINE	non-polymer		398.4	4	Chemie (SAM)
3	I, J, K, L (A, B, C, D)	water	water		18.0	74	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 219 (UniProt: A8C927)

PDB	External Database	Details
His 220	-	expression tag
His 221	-	expression tag
His 222	-	expression tag
His 223	-	expression tag
His 224	-	expression tag
His 225	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	103005.8
Non-Polymers*	Number of molecules	4
	Total formula weight	1593.7
All*	Total formula weight	104599.5

*Water molecules are not included.