7QBS

B12-dependent radical SAM methyltransferase, Mmp10 with [4Fe-4S] cluster, cobalamin, S-adenosyl-L-methionine, and peptide bound.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Methyl coenzyme M reductase-arginine methyltransferase Mmp10	polymer	436	47964.9	1	UniProt (A0A832SFM5) Pfam (PF19238) UniProt (by SIFTS) (Q8THG6)	Methanosarcina acetivorans
2	B (B)	Peptide from Methyl-coenzyme M reductase subunit alpha from Methanosarcina acetivorans	polymer	13	1499.7	1	UniProt (by SIFTS) (Q8THH1)	Methanosarcina acetivorans
3	C (A)	IRON/SULFUR CLUSTER	non-polymer		351.6	1	Chemie (SF4)
4	D (A)	FE (III) ION	non-polymer		55.8	1	Chemie (FE)
5	E (A)	S-ADENOSYLMETHIONINE	non-polymer		398.4	1	Chemie (SAM)
6	F (A)	CO-METHYLCOBALAMIN	non-polymer		1344.4	1	Chemie (COB)
7	G (A)	SODIUM ION	non-polymer		23.0	1	Chemie (NA)
8	H, I (A, B)	water	water		18.0	210	Chemie (HOH)

Sequence modifications

A: 1 - 411 (UniProt: A0A832SFM5)

PDB	External Database	Details
Met -24	-	initiating methionine
Ala -23	-	expression tag
Ser -22	-	expression tag
Trp -21	-	expression tag
Ser -20	-	expression tag
His -19	-	expression tag
Pro -18	-	expression tag
Gln -17	-	expression tag
Phe -16	-	expression tag
Glu -15	-	expression tag
Lys -14	-	expression tag
Ser -13	-	expression tag
Gly -12	-	expression tag
Gly -11	-	expression tag
Gly -10	-	expression tag
Gly -9	-	expression tag
Gly -8	-	expression tag
Glu -7	-	expression tag
Asn -6	-	expression tag
Leu -5	-	expression tag
Tyr -4	-	expression tag
Phe -3	-	expression tag
Gln -2	-	expression tag
Gly -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	49464.6
Non-Polymers*	Number of molecules	5
	Total formula weight	2173.3
All*	Total formula weight	51637.9

*Water molecules are not included.