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7QBS

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

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Methyl coenzyme M reductase-arginine methyltransferase Mmp10polymer43647964.91UniProt (A0A832SFM5)
Pfam (PF04055)
UniProt (by SIFTS) (Q8THG6)
Methanosarcina acetivorans
2B
(B)
Peptide from Methyl-coenzyme M reductase subunit alpha from Methanosarcina acetivoranspolymer131499.71UniProt (by SIFTS) (Q8THH1)Methanosarcina acetivorans
3C
(A)
IRON/SULFUR CLUSTERnon-polymer351.61Chemie (SF4)
4D
(A)
FE (III) IONnon-polymer55.81Chemie (FE)
PubChem (29936)
5E
(A)
S-ADENOSYLMETHIONINEnon-polymer398.41Chemie (SAM)
PubChem (5136)
PubChem (34755)
PubChem (58633578)
PubChem (60038769)
PubChem (73897310)
PubChem (58766358)
PubChem (87224684)
PubChem (131697735)
PubChem (9865603)
PubChem (145712080)
PubChem (12312798)
PubChem (132988922)
PubChem (134692588)
PubChem (135030730)
PubChem (140459785)
PubChem (163046094)
6F
(A)
CO-METHYLCOBALAMINnon-polymer1344.41Chemie (COB)
7G
(A)
SODIUM IONnon-polymer23.01Chemie (NA)
PubChem (923)
8H, I
(A, B)
waterwater18.0210Chemie (HOH)
Sequence modifications
A: 1 - 411 (UniProt: A0A832SFM5)
PDBExternal DatabaseDetails
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
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight49464.6
Non-Polymers*Number of molecules5
Total formula weight2173.3
All*Total formula weight51637.9
*Water molecules are not included.

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PDB entries from 2026-05-06

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