Fingerprint Search

Fingerprint Search performs a peptide mass fingerprint search on a select class of proteins to aid in de novo peptide sequencing. For de novo peptide sequencing, peptides are reduced and then enzyme digested to give mass fragments. Each fragment mass is entered one per line.

Masses Mass Error +/- Cyclic Protein Yes No Enzymes (at least one must be selected) Trypsin Chymotrypsin EndoGluC ThermolysinMissed Cleavages Protein Class