Peptide e nyenyane ea molek'hule e phetha karolo ea bohlokoa liseleng, ha e fane feela ka limatlafatsi le ho lokisoa, empa hape e ntlafatsa mesebetsi, ho ntse ho le joalo, e na le boikarabelo ba ho jara lisebelisoa le lisebelisoa.
Li-peptide tse nyane tsa limolek'hule li ntlafatsa ho kenella ha li-membrane tsa metabolic tse lipakeng (lerako la ka mpeng, lerako la capillary, alveolar, membrane ea meningeal, lerako le khubelu la lisele tse khubelu tsa mali, lera le ka tlase la glomerular), li ka monya limatlafatsi hantle, tsa ntša chefo, le ho sireletsa khahlanong le likokoana-hloko Invasion.
Peptide e nyenyane ea molek'hule e fana ka li-amino acid tse fapa-fapaneng, tse ka thusang 'mele ho hlahisa lisele tse ncha ho nka sebaka sa lisele tse senyehileng.