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Substance Name: Cystatin A
RN: 107544-29-6


  • A cytastin subtype found at high levels in the SKIN and in BLOOD CELLS. Cystatin A incorporates into the cornified cell envelope of stratified squamous epithelial cells and may play a role in bacteriostatic properties of skin.
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Names and Synonyms

Name of Substance

  • Cystatin A

MeSH Heading

  • Cystatin A


  • Stefin A

Systematic Name

  • Proteinase inhibitor, stefin A

Registry Numbers

CAS Registry Number

  • 107544-29-6

System Generated Number

  • 0107544296