9CHI

Structure of the alpha-N-methyltransferase (SonM) and RiPP precursor (SonA-Y62A) heteromeric complex (bound to SAH - structure 2)

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, E, G)	Alpha-N-methyltransferase	polymer	262	28937.1	4	UniProt (Q8EGW3) Pfam (PF00590)	Shewanella oneidensis MR-1	SonM
2	B, F, H (B, F, H)	SonA	polymer	68	7411.2	3	UniProt (Q8EGW2) Pfam (PF07746)	Shewanella oneidensis MR-1
3	D (D)	SonA	polymer	68	7397.1	1	UniProt (Q8EGW2) Pfam (PF07746)	Shewanella oneidensis MR-1
4	I, J, K, L (A, C, E, G)	S-ADENOSYL-L-HOMOCYSTEINE	non-polymer		384.4	4	Chemie (SAH) PubChem (16760024) PubChem (193) PubChem (13792) PubChem (177678424) PubChem (189149) PubChem (439155) PubChem (25210495) PubChem (21125603) PubChem (44361184) PubChem (25203782) PubChem (46936206) PubChem (50989525) PubChem (51380914) PubChem (52224398) PubChem (57544532) PubChem (52224400) PubChem (59046843) PubChem (59170628) PubChem (59576228) PubChem (66805708) PubChem (5284331) PubChem (70689219) PubChem (70702054) PubChem (70832431) PubChem (71170554) PubChem (13231890) PubChem (6419189) PubChem (118374891) PubChem (118560068) PubChem (126969526) PubChem (129105892) PubChem (164157219) PubChem (143518505) PubChem (154578335) PubChem (163054214) PubChem (163335525)
5	M, N, O, P, Q... (A, B, C, D, E...)	water	water		18.0	306	Chemie (HOH)

Sequence modifications

B, F, H: 3 - 70 (UniProt: Q8EGW2)

PDB	External Database	Details
Ala 62	Tyr 62	engineered mutation

D: 3 - 70 (UniProt: Q8EGW2)

PDB	External Database	Details
Ala 62	Tyr 62	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	8
	Total formula weight	145379.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1537.6
All*	Total formula weight	146916.8

*Water molecules are not included.