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Substance Name: Pancreatic spasmolytic polypeptide
RN: 82987-77-7


  • From porcine pancreas; spasmolytic activity & inhibitor of gastrointestinal motility & gastric acid secretion; human SML1/hSP is 76% homologous to pig PSP & linked to breast cancer marker gene BCEI/pS2; member of trefoil peptide family; 106 AA residues, MW 11700.
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Names and Synonyms

Name of Substance

  • Pancreatic spasmolytic polypeptide


  • Human sml1/hsp
  • Human spasmolytic protein hsp/sml1
  • Human spasmolytic protein sml1
  • Psp, pig

Systematic Name

  • Pancreatic spasmolytic polypeptide

Registry Numbers

CAS Registry Number

  • 82987-77-7

System Generated Number

  • 0082987777