Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UNIPROT:P01350 (gastrin)
 9,683 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The heptacosapeptide amide corresponding to the entire amino acid sequence of chicken gastrin-releasing peptide (cGRP) was synthesized similarly to the synthesis of porcine GRP by assembling six peptide fragments followed by deprotection with 1 M trifluoromethanesulfonic acid-thioanisole in TFA. A new carboxyl-activating reagent, thiazolidine-2-thione, was preferentially adopted for preparation of necessary fragments. The synthetic cGRP, purified by ion-exchange chromatography, followed by partition chromatography, was active as the synthetic porcine GRP, when plasma immunoreactive gastrin level was examined in rats. No obvious difference was observed when synthetic and natural cGRP preparations were compared by HPLC, immunochemical property and biological activity in dogs.
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PMID:Studies on peptides. CXI. Synthesis of chicken gastrin-releasing peptide. 712 60