emowse will search a protein database for matches with the mass spectrometry data.

Here is a sample session with emowse:

% emowse
Protein identification by mass spectrometry
Input sequence(s): sw:*
Input file: test.mowse
Whole sequence molwt [0]:
Output file [100k_rat.emowse]:

Mandatory qualifiers:

[-sequences] (seqall)

Sequence database USA.

[-infile] (infile)

Name of molecular weight data file.

-weight (integer)

Whole sequence molecular weight.

-outfile (outfile)

Output filename.

Advanced qualifiers:

-enzyme (menu)

Enzyme or reagent.

-aadata (string)

Molecular weight data for amino acids.

-pcrange (integer)

Allowed whole sequence weight variability.

-frequencies (string)

Frequencies file.

-tolerance (float)

Float value

-partials (float)

Partials factor.