9CH0

Structure of the alpha-N-methyltransferase (SonM) and RiPP precursor (SonA-I65W) 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, E, G (A, C, H, J)	TP-methylase family protein	polymer	263	29068.3	4	UniProt (Q8EGW3) Pfam (PF00590)	Shewanella oneidensis
2	B, D (B, D)	Extradiol ring-cleavage dioxygenase LigAB LigA subunit domain-containing protein	polymer	78	8869.8	2	UniProt (Q8EGW2)	Shewanella oneidensis
3	F, H (I, K)	Extradiol ring-cleavage dioxygenase LigAB LigA subunit domain-containing protein	polymer	78	8855.7	2	UniProt (Q8EGW2)	Shewanella oneidensis
4	I, K, L, N (A, C, H, J)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH)	Shewanella oneidensis
5	J, M (A, H)	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
6	O, P, Q, R, S... (A, B, C, D, H...)	water	water		18.0	170	Chemie (HOH)

Sequence modifications

B, D: 1 - 71 (UniProt: Q8EGW2)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Trp 65	Ile 65	engineered mutation

I, K: 1 - 71 (UniProt: Q8EGW2)

PDB	External Database	Details
Met -6	-	initiating methionine
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Trp 65	Ile 65	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	151724.3
Non-Polymers*	Number of molecules	6
	Total formula weight	1668.5
All*	Total formula weight	153392.7

*Water molecules are not included.