Immunogen:
Fusionproteinaminoacids81-152(matureprotein)ofhumanVIP(alsoknownasVasoactiveintestinalpeptideandVasoactiveintestinalpolypeptide,cleavedintoIntestinalpeptidePHI-42/PHV-42forPeptidehistidinevaline42andIntestinalpeptidePHM-27forPeptidehistidinemethioninamide27/IntestinalpeptidePHI-27forPeptidehistidineisoleucinamide27,accessionnumberP01282)
Rat:92%identity(66/72aminoacidsidentical)
Mouse:90%identity(65/72aminoacidsidentical)
<50%identitywithPACAP