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    Peptide Protein Sequence Analysis:

    Purpose:
    Copy or type amino acid sequence of a protein, choose necessary items in "options" and push button "Calculate!". Brutto formula and length of the protein are calculated always (independently of items you have chosen). For calculation of molecular weight of isotop content protein it is nessesary to mark isotopes in "isotop composition" (one or more). Three-letter code may be converted in one-letter by program Three-Letter to One-Letter converter for a acids. For translation of nucleic acid sequence you can use program 6 Frame Translation.


    Protein sequence in one-letter coding:
    (there are allowed lower-case and upper-case letters and any number of spaces)
    N- -C
    What to calculate:
    % composition
    isoelectric point
    charge under šĶ =
    molecular weight

    Isotop composition:
    13C
    15N
    D
    current AA:




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