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Info_Mac IV CD-ROM (Pacific HiTech Inc.)(August 1994).iso
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2D_tool_kit Folder
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1994-04-30
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2D_tool_kit 1.0v1
by Lars Henrik Oestergaard©1994.
Introduction:
This HyperCard stack estimates the molecular weight
and "the isoelectric point" of an amino acid sequence.
The stack is absolutely free, and you may give copies of it to
everybody. However, do not make anybody pay for it.
Input:
Enter the amino acid sequence manually or use the import
function to import it from a text file. Make sure there is no
blanks before or after the sequence. Press the calculation
bottom before heading on to the MW & pI calculations.
Output:
The MW calculation are obvious. When hitting the calculation
bottom for the pI calculation you will be requested to enter the
pH range you want to investigate (and the number of points). As
the calculations are slow, try to limit the number of points and
instead narrow the interesting pH interval stepwise. The calulated
data is not being plot in a graph, but you may export them to a
text file. And then plot the data by a graphing programme (excel,
kalaidagraph...).
Lars Henrik Oestergaard
Department of Chemistry
Aarhus University
DK-8000 Aarhus C
Denmark
(Internet: lho@biobase.aau.dk)