Am 16.03.2009, 17:37 Uhr, schrieb mmazan01 <
melissa.mazan@...>:
>
> Hi - I am trying to detect Ly6 A/E (sca-1) from mouse lung on western
> blot.
> I am using a monoclonal rat anti-mouse from ebiosciences. I have very
> clean
> bands, no background, but at 75 kd instead of the expected 18 kd. Can
> anyone shed light on this? Melissa
Sounds like you are looking at a tetramer. 18 kDa x 4 = 72 kDa, the
difference is within the expected error margin. Did you heat the sample
with DTT and SDS? What does the manufacturer of the antibody and the
literature say about what you should find?
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