3NUT

Crystal structure of the methyltransferase CobJ

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)	Precorrin-3 methylase	polymer	251	27252.2	4	UniProt (O68097) Pfam (PF00590)	Rhodobacter capsulatus (Rhodopseudomonas capsulata)
2	E, I, M, P (A, B, C, D)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)
3	F, G, H, J, K... (A, B, C)	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
4	Q, R, S, T (A, B, C, D)	water	water		18.0	197	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 245 (UniProt: O68097)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	109008.7
Non-Polymers*	Number of molecules	12
	Total formula weight	2274.4
All*	Total formula weight	111283.1

*Water molecules are not included.