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85865

Sigma-Aldrich

Stigmatellin

≥95.0% (HPLC)

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About This Item

Empirical Formula (Hill Notation):
C30H42O7
CAS Number:
Molecular Weight:
514.65
Beilstein/REAXYS Number:
5319239
MDL number:
UNSPSC Code:
51101500
PubChem Substance ID:

assay

≥95.0% (HPLC)

antibiotic activity spectrum

fungi

mode of action

enzyme | inhibits

shipped in

wet ice

storage temp.

−20°C

SMILES string

COC(\C=C\C=C\C(C)=C\C)C(C)C(OC)C(C)CCC1=C(C)C(=O)c2c(OC)cc(OC)c(O)c2O1

Biochem/physiol Actions

Antibiotic and antifungal from Stigmatella aurantiaca. Inhibits electron transport. Acts at the Qo center of the bc1 complex, binds to the heme b1 domain of cytochrome b as well as to the iron-sulfur protein. Used in studies on hydroubiquinone-cytochrome c2 oxidoreductase.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Certificates of Analysis (COA)

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B Kunze et al.
The Journal of antibiotics, 37(5), 454-461 (1984-05-01)
An antibiotic activity was extracted from the cell mass of the myxobacterium, Stigmatella aurantiaca strain Sg a15. The antibiotic was toxic for yeasts and filamentous fungi, but not for most bacteria. The compound had the molecular formula C30H42O7, appears to
Use of specific inhibitors on the mitochondrial bc1 complex.
G von Jagow et al.
Methods in enzymology, 126, 253-271 (1986-01-01)
D E Robertson et al.
Biochemistry, 32(5), 1310-1317 (1993-02-09)
The hydroubiquinone-cytochrome c2 oxidoreductase (cyt bc1) from Rhodobacter capsulatus has been solubilized according to the dodecyl maltoside method and isolated, and its minimal functional composition has been characterized. We find the complex to be composed of three protein subunits corresponding

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