Peptide Mass Calculator

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Peptide Mass Calculator

Peptide Sequence(From N terminal to C terminal. One letter Code)

User Defined Residues：
1：
2：
3：
4：
5：
6：
7：
8：

    

User instruction

Use one letter code of standard amino acids or user defined residues(1-8), choose N-terminal and C-terminal modification from the drop-down list.

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