Laboratory of Mass Spectrometry and Gaseous Ion Chemistry
PROWL
ProFound
ProteinInfo
PeptideMap
PepFrag
X! Tandem
X! Hunter
GPMDB
   
PROWL
Chait Lab

The Rockefeller University
The Rockefeller University
1230 York Avenue,
New York, NY 10021
(212) 327-8000


National Center of Research Resources
National Resource
for the Mass Spectrometric
Analysis of Biological
Macromolecules

PepFrag

Examples: A singly charged peptide , A doubly charged peptide , A phosphorylated peptide

Database: Kingdom:
Chemical modifications:
Protein Mass: - kDa
Protein pI: -
Maximum number of proteins in result:

Enzyme:
Maximum number of cleavage sites not cleaved in a peptide:

Mass of parent peptide: +/-
Maximum number of phosphorylations per peptide: S/T and Y.
Fragment ion masses (Matches: ):
+/- Da
Ion types: a, a*, b, b*, c", x, y", y*, z"
Exopeptidase hydrolysis products: aminopeptidase, carboxypeptidase
If you know at what amino acids the fragmentation occurs (c-terminal side), list them here: and mark the peptides with an 'x' following the mass.
Contains the following amino acids :
Example: [IL]{M}F means that the peptide contains (I or L) and F and not M.
Spectrum description: