(Deamino-Phe19,D-Ala24,D-Pro26-(R)-Phe27)-GRP (19-27) is a modified gastrin-releasing peptide (GRP) fragment with deamino-phenylalanine and D-amino acid substitutions to enhance stability and receptor binding. GRP is involved in the regulation of gastric secretion and smooth muscle function. Researchers use this analog to study GRP receptor interactions and its role in gastrointestinal disorders across various species.
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