3LST

Crystal Structure of CalO1, Methyltransferase in Calicheamicin Biosynthesis, SAH bound form

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)	CalO1 Methyltransferase	polymer	348	37936.1	2	UniProt (Q8KNE5) Pfam (PF00891)	Micromonospora echinospora (Micromonospora purpurea)
2	C, E (A, B)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
3	D, F (A, B)	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	G, H (A, B)	water	water		18.0	181	Chemie (HOH)

Sequence modifications

A, B: 1 - 345 (UniProt: Q8KNE5)

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

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	75872.2
Non-Polymers*	Number of molecules	4
	Total formula weight	893.0
All*	Total formula weight	76765.1

*Water molecules are not included.