8T1S

Structure of the alpha-N-methyltransferase (SonM) and RiPP precursor (SonA with QSY deletion) heteromeric complex (bound to SAH)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C	Alpha-N-methyltransferase	polymer	262	28937.1	2	UniProt (Q8EGW3) Pfam (PF00590) In PDB	Shewanella oneidensis	SonM
2	B, D	Extradiol ring-cleavage dioxygenase LigAB LigA subunit domain-containing protein	polymer	75	8418.3	2	UniProt (Q8EGW2) Pfam (PF07746) In PDB	Shewanella oneidensis	RiPP precursor, SonA
3	A, C	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
4	A	ZINC ION	non-polymer		65.4	1	Chemie (ZN)
5		water	water		18.0	544	Chemie (HOH)

Sequence modifications

B, D: 8 - 75 (UniProt: Q8EGW2)

PDB	External Database	Details
Met 1	-	initiating methionine
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
-	Gln 60	deletion
-	Ser 61	deletion
-	Tyr 62	deletion

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	74710.9
Non-Polymers*	Number of molecules	3
	Total formula weight	834.2
All*	Total formula weight	75545.1

*Water molecules are not included.