Rule 6. Pre_x Tag
If all tags in a proteoform use the same Key, the sequence may be PREFIXED with a
single tag de_ning the Key followed by a plus sign.
e.g. [RESID]+SE[12]QUE[42]NCE
Here the numbers in brackets are accession numbers in the resid database e.g.
[mass]+SE[12]QUE[42]NCE
Here the numbers in brackets are masses e.g. [formula]+SE[CH(2)]QUE[H(2)O]NCE
Rule 6. Pre_x Tag If all tags in a proteoform use the same Key, the sequence may be PREFIXED with a single tag de_ning the Key followed by a plus sign. e.g. [RESID]+SE[12]QUE[42]NCE Here the numbers in brackets are accession numbers in the resid database e.g. [mass]+SE[12]QUE[42]NCE Here the numbers in brackets are masses e.g. [formula]+SE[CH(2)]QUE[H(2)O]NCE