Overview
The Open Mass Spectrometry Search Algorithm [OMSSA] is an efficient
search engine for identifying MS/MS peptide spectra by searching
libraries of known protein sequences. OMSSA scores significant hits
with a probability score developed using classical hypothesis testing,
the same statistical method used in BLAST. OMSSA is free and in
the public domain.
To use our public search service, select from the links above.
You may also download OMSSA and
use it as a command line executable on your own machine.
OMSSA is described and validated in a paper
(preprint). The current search statistics are described in a poster.
The OMSSA source code is in the public domain (please see the FAQ
for details on downloading and building).
Discussion List
NCBI maintains an email
list for announcements and general discussion about OMSSA. Please
subscribe to the list if you wish to post to it. An archive
of the email list is also online.
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