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Substance Name: Ram protein
RN: 133925-83-4


  • GTP-binding proteins associated with membranes, MELANOSOMES; LYSOSOMES; and late ENDOSOMES. They play a role in the release of cytotoxic SECRETORY GRANULES from lymphocytes and are required for granule maturation, as well as granule docking and priming at IMMUNOLOGICAL SYNAPSES.
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Names and Synonyms

Name of Substance

  • Ram protein

MeSH Heading

  • rab27 GTP-Binding Proteins


  • Rab 27a protein
  • Rab 27b protein
  • Rab27 protein
  • Ram p25

Systematic Name

  • Protein (rat clone lambdaram-1/lambdaram-2 gene ram reduced)

Registry Numbers

CAS Registry Number

  • 133925-83-4

System Generated Number

  • 0133925834