1. Peptides::AAdata
    Properties, scales and indices for the 20 naturally occurring amino acids from various sources
  2. Peptides::pepdata
    Physicochemical properties and indices from 100 amino acid sequences
  3. retriever::CLbyDisease
    CLbyDisease
  4. SCORPION::scorpionTest
    Example single-cell gene expression, motif, and ppi data