findkm takes a file of enzymatic data and plots Michaelis-Menten and Hanes-Woolf plots of the data. From these it calculates the Michaelis-Menten constant (Km) and the maximum velocity (Vmax) of the reaction.

Here is a sample session with findkm:

%findkm
Calculates Km and Vmax for an enzyme reaction.
Enter name of file containing data: enztest.dat
Display on device [xwin]:

Mandatory qualifiers:

[-infile] (infile)

Enter name of file containing data.

[-outfile] (outfile)

Output filename.

-graphlb (xygraph)

Graph type.

Advanced qualifiers:

-[no]plot (boolean)

S/V versus S.