The name "hydrophobic" means these amino acids tend to move away from water. The hiding score component for hydrophobics indicate how well they are hidden from water molecules on the outside of the protein. In Foldit, the hydrophobic amino acids are: * Glycine * Alanine * Cysteine * Valine * Leucine * Isoleucine * Methionine * Proline * Phenylalanine * Tyrosine * Tryptophan