Please help!
Edited by sansub, 12 January 2012 - 04:24 PM.
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Extra band on western blot of Insulin Recetor beta subunit (C-19) antibody
Started by sansub, Jan 12 2012 03:56 PM
1 reply to this topic
#1
sansub
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Posted 12 January 2012 - 03:56 PM
The western blot was done for CHO, COS-7 and NIH3T3 cell lysates which were also treated with DFP ( a protease inhibitor) using the insulin receptor beta antibody (C-19, purchased from Santa Cruz). I obtained the required band at 95kDa confirming the presence of the insulin receptor beta subunit in these lysates. But, why do I see an extra band at around 60 kDa also? What could be the reason behind that?
Please help!
Please help!
#2
mdfenko
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Posted 13 January 2012 - 06:37 AM
that (those) extra band(s) are most likely an artifact (previously identified to be keratins) caused by old reducing agent and dust.
talent does what it can
genius does what it must
i do what i get paid to do
genius does what it must
i do what i get paid to do
