Table 1.
sequencea | origin | theoretical mass | mass found | purity (%) | |
---|---|---|---|---|---|
lAQ | Pen(Acm)AQFRKEKETFC(Acm)-OH | C′C′′ loop | 1659.8 | 1659.4 | >95 |
cAQ | cyclo(1,12)PenAQFRKEKETFC-OH | 1515.8 | 1515.6 | >90 | |
cFE | cyclo(1,6)FRKEKE | 818.0 | 818.5 | >90 | |
lIL | SIYDTKGKNVLE-NH2 | FG loop | 1366.5 | 1366.5 | >90 |
cIL | cyclo(1,12)PenIYDTKGKNVLC-OH | 1382.6 | 1382.1 | >90 | |
cYK | cyclo(1,6)YDTKGK | 693.4 | 693.4 | >90 | |
DS | DDIDDIKWEKTS-NH2 | C strand | 1464.5 | 1464.5 | >95 |
SE | SDKKKIAQFRKE-NH2 | C′ strand | 1477.7 | 1476.9 | >95 |
IK | IYKVSIYDTGK-NH2 | F strand | 1414.7 | 1414.5 | >95 |
control | KGKTDAISVKAI-NH2 | 1230.5 | 1229.5 | >95 |
Underlined regions are the β-turn or β-strand structures in the proteins.