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Key Documents

S1442

Sigma-Aldrich

Sordarin sodium salt

from Sordaria araneosa, ≥98% (HPLC), solid

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About This Item

Empirical Formula (Hill Notation):
C27H39NaO8
CAS Number:
Molecular Weight:
514.58
MDL number:
UNSPSC Code:
51111800
PubChem Substance ID:
NACRES:
NA.77

biological source

Sordaria araneosa

Quality Level

Assay

≥98% (HPLC)

form

solid

solubility

H2O: soluble ≤10 mg/mL

antibiotic activity spectrum

fungi

Mode of action

protein synthesis | interferes

shipped in

wet ice

storage temp.

−20°C

SMILES string

[Na+].[H]C(=O)[C@]12C[C@]3([H])C=C(C(C)C)[C@@]1(C([O-])=O)[C@]3(CO[C@@H]4O[C@H](C)[C@@H](OC)[C@@H](O)[C@@H]4O)C[C@]5([H])[C@H](C)CC[C@@]25[H]

InChI

1S/C27H40O8.Na/c1-13(2)19-8-16-9-25(11-28)18-7-6-14(3)17(18)10-26(16,27(19,25)24(31)32)12-34-23-21(30)20(29)22(33-5)15(4)35-23;/h8,11,13-18,20-23,29-30H,6-7,9-10,12H2,1-5H3,(H,31,32);/q;+1/p-1/t14-,15-,16+,17-,18-,20+,21+,22-,23-,25+,26+,27+;/m1./s1

InChI key

ILUKWKGTAAZHDW-IGICPMPSSA-M

Application

Soradrin sodium salt has been used as an antifungal compound to treat mycelia for immunofluorescence microscopy studies. It may be used in in vitro diphtheria toxin sensitivity assays.

Biochem/physiol Actions

Sordarin is an antifungal metabolite possessing a tetracyclic diterpene glycoside structure. It is a highly potent inhibitor of eukaryotic protein synthesis with selectivity for the fungal translation machinery. The elongation factor EF-2 is the molecular target for sordarin. It blocks ribosomal translocation by stabilizing the EF2-ribosome complex in a manner similar to that of fusidic acid in the bacterial system. Additional cellular components (including rpP0, which is an essential protein of the ribosomal large subunit stalk) are involved in its mechanism of action. Sordarin inhibits in vitro translation in the pathogenic fungi C. albicans, C. glabrata, and C. neoformans. In addition to its therapeutic potential, sordarin is a useful tool for the analysis of protein translation events.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Wael Abdel-Fattah et al.
Toxins, 5(5), 958-968 (2013-05-07)
Diphtheria toxin (DT) inhibits eukaryotic translation elongation factor 2 (eEF2) by ADP-ribosylation in a fashion that requires diphthamide, a modified histidine residue on eEF2. In budding yeast, diphthamide formation involves seven genes, DPH1-DPH7. In an effort to further study diphthamide

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