7LTS

Structure of the alpha-N-methyltransferase (SonM mutant R67A) and RiPP precursor (SonA) heteromeric complex (with 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 (A, C)	TP-methylase family protein	polymer	263	28982.2	2	UniProt (Q8EGW3) Pfam (PF00590)	Shewanella oneidensis
2	B, D (B, D)	LigA domain-containing protein	polymer	73	8098.9	2	UniProt (Q8EGW2)	Shewanella oneidensis
3	E, F (A, C)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	2	Chemie (SAH)
4	G, H, I, J (A, B, C, D)	water	water		18.0	69	Chemie (HOH)

Sequence modifications

A, C: 1 - 263 (UniProt: Q8EGW3)

PDB	External Database	Details
Ala 67	Arg 67	engineered mutation

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

PDB	External Database	Details
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	74162.2
Non-Polymers*	Number of molecules	2
	Total formula weight	768.8
All*	Total formula weight	74931.0

*Water molecules are not included.