Spectrum Mill - MS Digest
Spectrum Mill
MS Product
Peptide Selector
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Digest
Report multiple charges
Hide protein sequence
Show only protein sequence
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Protein
Digest:
Maximum # missed cleavages:
Reading frame:
1
2
3
4
5
6
(for DNA only)
Calculate masses as:
Modifications
Fixed:
Variable:
Database
Database:
User Protein
Retrieve database entry by:
Index Number
Accession Number
MS Digest index number:
Database accession number:
User-specified amino acid (u):
( Default is Gly )
C:
H:
N:
O:
S:
P:
Protein sequence:
Paste or type sequence in this field. Delete these instructions first. Tabs, returns, and spaces are ignored. USE CAPITAL LETTERS for unmodified amino acids or those with fixed modifications. Use lower case letters to indicate VARIABLE modifications. Only those Variable modifications that have been selected will be considered. To enable the user-specified amnio acid, use the lower case letter u: u - user specified amino acid (provide elemental composition above) Do NOT use the letters B, J, O, U, X, or Z. Do NOT use 3-letter code amino acid symbols.