PEPTIDE FRAGMENT ION ANALYSER - I

Enter m/z value (z = +1)

Enter window range (0 to +/- 1)(z = +1)

Note : Compositions only up to 4 amino acid residues are considered

The values queried can have an accuracy upto 5 places of decimal

Range : m/z 30 to 1101 (z = +1) (without any modifications)

Consult tables for Single Letter Codes of the Amino Acids

Select the mode of calculation of Amino Acid mass

Monoisotopic Mass

Average Mass

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By Ion

By Amino Acid

Select the Ion type to be displayed

a ion	b ion	c ion
x ion	y ion	z ion
Residue mass sum		All ions

By Amino Acid [ Enter Amino Acid(s) ]    

Modifications

N Terminus Modifications              None Formyl Acetyl n-Octanoyl n-Decanoyl n-Myristoyl n-Palmitoyl CBz-Benzyloxycarbonyl Boc: Tertiarybutyloxycarbonyl Fmoc: Fluorenylmethyloxycarbonyl

C Terminus Modifications              None Amidation Methylester C-terminal alcohol

Cysteine Modifications

Carboxamidomethyl Cysteine
Carboxymethyl Cysteine
Pyridylethyl Cysteine
Cysteine (N-ethyl maleimide)
None

Sulphation                                                              Phosphorylation

Serine		Serine
Threonine		Threonine
Tyrosine		Tyrosine

 

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User defined residue mass(es) of new amino acid(s)

New Amino Acid Character	Monoisotopic / Average mass
h
i
j
k

Note : The residue mass of the new amino acid must be between 57 Da and 500 Da

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