N-terminal determination

[Warren Gallin]

In Article <32DE36CB.2D86 at usfca.edu>, Chihara <chihara at usfca.edu> wrote:
>I am looking for an easy, and hopefully relatively cheap way to 
>determine the N-terminal amino acid (yes just the end)  of a few 
>proteins blotted from a PAGE gel. Any suggestions other than a 
>microsequencer facility? [that's not cheap].
>Thanks

You could dansylate, hydrolyze, and run TLC with appropriate controls.  This
is well worked out, old technology (at least 20 years old, I learned it in a
biochemistry class).  You should be able to find the methods in older
methods handbooks.
Warren Gallin
Department of Biological Sciences
University of Alberta
Edmonton,  Alberta     T6G 2E9
Canada
wgallin at gpu.srv.ualberta.ca