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Literature summary extracted from

  • Liu, B.H.; Bhatnagar, D.; Chu, F.S.
    Purification and characterization of 40-kDa sterigmatocystin O-methyltransferase involved in aflatoxin biosynthesis (1999), Nat. Toxins, 7, 63-69.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
2.1.1.110 Cu2+ 0.1 mM, 58% inhibition Aspergillus parasiticus
2.1.1.110 Fe2+ 0.1 mM, 87% inhibition Aspergillus parasiticus
2.1.1.110 Hg2+ 0.1 mM, complete inhibition Aspergillus parasiticus
2.1.1.110 Phenylmercuriacetate 0.1 mM, 96% inhibition Aspergillus parasiticus
2.1.1.110 S-adenosyl-L-homocysteine
-
Aspergillus parasiticus

Organism

EC Number Organism UniProt Comment Textmining
2.1.1.110 Aspergillus flavus
-
-
-
2.1.1.110 Aspergillus flavus 3357
-
-
-
2.1.1.110 Aspergillus parasiticus
-
CP461, SRCC 2043
-

Purification (Commentary)

EC Number Purification (Comment) Organism
2.1.1.110 strain SRRC 2043, ultracentrifugation, ammonium sulfate, DEAE-Sephadex, immunoaffinity column Aspergillus parasiticus

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.1.1.110 0.0195
-
-
Aspergillus parasiticus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.1.1.110 S-adenosyl-L-methionine + sterigmatocystin
-
Aspergillus flavus S-adenosyl-L-homocysteine + 8-O-methylsterigmatocystin
-
?
2.1.1.110 S-adenosyl-L-methionine + sterigmatocystin
-
Aspergillus parasiticus S-adenosyl-L-homocysteine + 8-O-methylsterigmatocystin
-
?
2.1.1.110 S-adenosyl-L-methionine + sterigmatocystin
-
Aspergillus flavus 3357 S-adenosyl-L-homocysteine + 8-O-methylsterigmatocystin
-
?

Ki Value [mM]

EC Number Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
2.1.1.110 0.0012
-
S-adenosyl-L-homocysteine
-
Aspergillus parasiticus