79 modified peptide sequences of internal standards used in GCP assay:
| T[+56]K[+56]QTAR |
| T[+56]K[+70]QTAR |
| T[+56]K[+28]QTAR |
| T[+56]K[+42]QTAR |
| T[+56]K[+42]QTAR |
| K[+112.1]STGGK[+56]APR |
| K[+126.1]STGGK[+56]APR |
| K[+84.1]STGGK[+56]APR |
| K[+98.1]STGGK[+56]APR |
| K[+98]STGGK[+56]APR |
| K[+112.1]STGGK[+42]APR |
| K[+126.1]STGGK[+42]APR |
| K[+84.1]STGGK[+42]APR |
| K[+98.1]STGGK[+42]APR |
| K[+98]STGGK[+42]APR |
| K[+112.1]S[+80]TGGK[+56]APR |
| K[+126.1]S[+80]TGGK[+56]APR |
| K[+84.1]S[+80]TGGK[+56]APR |
| K[+98.1]S[+80]TGGK[+56]APR |
| K[+98]S[+80]TGGK[+56]APR |
| K[+112.1]S[+80]TGGK[+42]APR |
| K[+126.1]S[+80]TGGK[+42]APR |
| K[+84.1]S[+80]TGGK[+42]APR |
| K[+98.1]S[+80]TGGK[+42]APR |
| K[+98]S[+80]TGGK[+42]APR |
| K[+112.1]QLATK[+56]AAR |
| K[+98]QLATK[+56]AAR |
| K[+112.1]QLATK[+42]AAR |
| K[+98]QLATK[+42]AAR |
| K[+226.1]QLATK[+56]AAR |
| K[+112.1]QLATK[+170.1]AAR |
| K[+112.1]SAPATGGVK[+56]K[+56]PHR |
| K[+112.1]SAPATGGVK[+70]K[+56]PHR |
| K[+112.1]SAPATGGVK[+28]K[+56]PHR |
| K[+112.1]SAPATGGVK[+42]K[+56]PHR |
| K[+126.1]SAPATGGVK[+56]K[+56]PHR |
| K[+126.1]SAPATGGVK[+70]K[+56]PHR |
| K[+126.1]SAPATGGVK[+28]K[+56]PHR |
| K[+126.1]SAPATGGVK[+42]K[+56]PHR |
| K[+84.1]SAPATGGVK[+56]K[+56]PHR |
| K[+84.1]SAPATGGVK[+70]K[+56]PHR |
| K[+84.1]SAPATGGVK[+28]K[+56]PHR |
| K[+84.1]SAPATGGVK[+42]K[+56]PHR |
| K[+98.1]SAPATGGVK[+56]K[+56]PHR |
| K[+98.1]SAPATGGVK[+70]K[+56]PHR |
| K[+98.1]SAPATGGVK[+28]K[+56]PHR |
| K[+98.1]SAPATGGVK[+42]K[+56]PHR |
| K[+98]SAPATGGVK[+56]K[+56]PHR |
| K[+98]SAPATGGVK[+70]K[+56]PHR |
| K[+98]SAPATGGVK[+28]K[+56]PHR |
| K[+98]SAPATGGVK[+42]K[+56]PHR |
| K[+112.1]SAPSTGGVK[+56]K[+56]PHR |
| Y[+56]RPGTVALR |
| Y[+56]QK[+56]STELLIR |
| Y[+56]QK[+70]STELLIR |
| Y[+56]QK[+28]STELLIR |
| Y[+56]QK[+42]STELLIR |
| E[+56]IAQDFK[+56]TDLR |
| E[+56]IAQDFK[+70]TDLR |
| E[+56]IAQDFK[+28]TDLR |
| G[+56]K[+56]GGK[+56]GLGK[+56]GGAK[+56]R |
| G[+56]K[+42]GGK[+56]GLGK[+56]GGAK[+56]R |
| G[+56]K[+56]GGK[+56]GLGK[+42]GGAK[+56]R |
| G[+56]K[+56]GGK[+56]GLGK[+56]GGAK[+42]R |
| G[+56]K[+56]GGK[+56]GLGK[+56]GGAK[+70]R |
| G[+56]K[+42]GGK[+42]GLGK[+56]GGAK[+56]R |
| G[+56]K[+42]GGK[+56]GLGK[+56]GGAK[+42]R |
| G[+56]K[+56]GGK[+42]GLGK[+42]GGAK[+56]R |
| G[+56]K[+56]GGK[+56]GLGK[+42]GGAK[+42]R |
| G[+56]K[+56]GGK[+42]GLGK[+42]GGAK[+42]R |
| G[+56]K[+42]GGK[+42]GLGK[+42]GGAK[+56]R |
| G[+56]K[+42]GGK[+42]GLGK[+56]GGAK[+42]R |
| G[+56]K[+42]GGK[+42]GLGK[+42]GGAK[+42]R |
| D[+56]AVTYTEHAK[+56]R |
| K[+112.1]VLR |
| K[+126.1]VLR |
| K[+84.1]VLR |
| K[+98.1]VLR |
| A[+56]GLQFPVGR |
