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HomeProduct name listterritrem B

territrem B

  • CAS NO.:70407-20-4
  • Empirical Formula: C29H34O9
  • Molecular Weight: 526.57
  • MDL number: MFCD00869655
  • Update Date: 2024-07-02 08:55:40
territrem B Structural

What is territrem B?

Description

Territrem B (TRB) is a fungal metabolite isolated from Aspergillus terreus shown previously to be a potent and irreversible inhibitor of acetylcholinesterase (AChE).

Description

Territrem B is a mycotoxin originally isolated from A. terreus that irreversibly inhibits acetylcholinesterase (AChE; IC50 = 19 nM for the electric eel enzyme). It is toxic to mice, inducing tremors with a median tremulous dose of 0.21 mg/kg, and has an LD50 value of 9.06 mg/kg.

The Uses of territrem B

Territrem B is an α-pyrone tremorgenic mycotoxin first identified from an Aspergillus terreus strain by Ling and colleagues at Taiwan National University in 1979. Territrem B is a potent insecticide acting via irreversible inhibition of acetylcholinesterase (AChE). The binding mechanism is very different from typical irreversible AChE inhibitors like neostigmine and the organophospates.

The Uses of territrem B

Territrem B is a potent and irreversible inhibitor of acetylcholinesterase.

What are the applications of Application

Territrem B is a potent and irreversible inhibitor of acetylcholinesterase

Biological Activity

Territrem B is a mycotoxin originally isolated from A. terreus that irreversibly inhibits acetylcholinesterase (AChE; IC50 = 19 nM for the electric eel enzyme). It is toxic to mice, inducing tremors with a median tremulous dose of 0.21 mg/kg, and has an LD50 value of 9.06 mg/kg.

References

Territrems, tremorgenic mycotoxins of Aspergillus terreus. Ling K.L. et al., Appl. Env. Microbiol. 1979, 37, 355.
Toxicity and anticholinesterase activity of the fungal metabolites territrems to the corn earworm, Helicoverpa zea. Dowd P.F. et al., Entomol. Exp. Appl. 1992, 65, 57.
Territrem B, a tremorgenic mycotoxin that inhibits acetylcholinesterase with a noncovalent yet irreversible binding mechanism. Jen-Wei Chen J-W. et al., J. Biol. Chem. 1999, 274, 34916.

Properties of territrem B

Melting point: 200~203℃
Boiling point: 693.0±55.0 °C(Predicted)
Density  1.35±0.1 g/cm3(Predicted)
storage temp.  Store at -20°C
solubility  DMSO: soluble
form  A solid
pka 12.11±0.70(Predicted)
color  White to off-white

Safety information for territrem B

Computed Descriptors for territrem B

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