2. Comparing the endogenous opioids in Table 1, identify the sequence that is the same among all the opioid peptides in the list This conserved sequence is most likely the segment that binds to the protein receptor Table 1. The most common endogenous opioid peptides produced in humans Рeptide Enkephalins Leu-enkephalin YGGFL Met-enkephalin YGGFM Metorphamide YGGFMRRV-NH2 Peptide E Peptide Sequence YGGFMRRVGRPEWWMDYQKRYGGFL Endorphins B-endorphin Y-endorphin a-endorphin YGGFMTSEKSQTPLVTLF KNAIIKNAYKKGE YGGFMTSEKSQTPLVTL YGGFMTSEKSQTPLVT Dynorphins Dynorphin A Dynorphin B Dynorphin1-8 YGGFLRRQ a-neoendorphin YGGFLRKYPK B-neoendorphin YGGFLRKYP YGGFLRRIRPKLKWDNQ YGGFLRRQFKWT

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