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Difference between revisions of "Antimycin A"

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== Application in [[HRR]] ==
== Application in [[HRR]] ==


'''Ama: Antimycin A''' (Antimycin A from ''Streptomyces'' sp., Sigma A 8674, 25 g, store at -20 °C: FW = 540)
'''Ama: Antimycin A''' (Antimycin A from ''Streptomyces'' sp.) Sigma A 8674, 25 g, store at -20 °C: FW = 540


<span style="color:#8B008B"> '''Caution:''' '''Very toxic!!! ''' Chemicals stored in the fridge or freezer should be allowed to reach room temperature before opening.</span>
<span style="color:#8B008B"> '''Caution:''' '''Very toxic!!! ''' Chemicals stored in the fridge or freezer should be allowed to reach room temperature before opening.</span>

Revision as of 08:16, 18 May 2012


high-resolution terminology - matching measurements at high-resolution


Antimycin A

Description

Inhibitor of Complex III. It binds to the Qi site of Complex III and inhibits the transfer of electrons from heme bH to oxidized Q (Qi site inhibitor)[1].

Abbreviation: Ama

Reference: MiPNet09.12,


MitoPedia topics: Inhibitor 

Application in HRR

Ama: Antimycin A (Antimycin A from Streptomyces sp.) Sigma A 8674, 25 g, store at -20 °C: FW = 540

Caution: Very toxic!!! Chemicals stored in the fridge or freezer should be allowed to reach room temperature before opening.


Preparation of 5 mM stock solution (dissolved in 99.9% Ethanol):

1) weigh 5.4 mg of Antimycin A into a small glass vial !Difficult to weigh - appears to be hygroscopic!
2) add 2 ml Ethanol
3) divide into 0.2 ml portions (use glass vials)
4) store at -20 °C

Oxygraph-2k Manual Titrations: MiPNet09.12

  • Titration volume: 1 µl using a 10 µl syringe
  • Final conc. in 2 ml O2k-chamber: 2.5 µM