3MQ2

Crystal Structure of 16S rRNA Methyltranferase KamB

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)	16S rRNA methyltransferase	polymer	218	23971.4	2	Pfam (PF02390) UniProt (by SIFTS) (P25920)	Streptomyces sp. DSM 40477
2	C, D (A, B)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
3	E, F (A, B)	water	water		18.0	290	Chemie (HOH)

Sequence modifications

A, B: 1 - 215 (PDB: 3MQ2)

PDB	External Database	Details
Met -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	47942.7
Non-Polymers*	Number of molecules	2
	Total formula weight	768.8
All*	Total formula weight	48711.5

*Water molecules are not included.