Protein Structures

Representatives of the Common Protein Folds

All alpha

  • Four helix bundle: Leptin
  • Globin fold: Myoglobin

    • All beta

  • Beta-sandwich: Immunoglobulin, Fab fragment
  • Beta barrel: Superoxide Dismutase

    • Alpha/beta

  • Open twisted sheet: Carboxypeptidase A
  • alpha/beta barrel: Triose Phosphate Isomerase

    • Alpha + Beta

  • Lysozyme
  • Ribonuclease A
  • Bovine Trypsin Inhibitor

    • Protein Folding Proteins

  • Hsp60/GroEL (Very large!)