Secondary metabolites trivial name - malformins
Species A. niger
Systematic name Cyclo(D-cysteinyl-D-cysteinyl-L-valyl-D-leucyl-L-leucyl), cyclic (12)-disulfide
Malformin A
Molecular formulae C23H39N5O5S2
Molecular weight 529.718
Chemical abstracts number 3022-92-2
PubChem URL Go to PubChem link
Selected references Kim KW, Sugawara F, Yoshida S, Murofushi N, Takahashi N, Curtis RW. Structure of malformin B, a phytotoxic metabolite produced by Aspergillus niger. Biosci Biotechnol Biochem. 1993 May;57(5):787-91.
Toxicity mouse LD50 intraperitoneal 3100ug/kg (3.1mg/kg) EFFECTS: GASTROINTESTINAL: OTHER CHANGES. LIVER: OTHER CHANGES. KIDNEY, URETER, AND BLADDER: OTHER CHANGES Agricultural and Biological Chemistry. Vol. 39, Pg. 1325, 1975.
Structure diagram
3D Structure
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