Protein+Examples

All proteins are made of Aminio Acids. There are a total of 20 amino acids. Proteins contain Carbon, Hydrogen, Oxygen, Nitrogen, and some proteins also have sulfur. Amino acids are held together with peptide bonds. Polypeptide is a synonym for protein.
 * alanine
 * arginine
 * asparagine
 * aspartic acid
 * cysteine
 * glutamine
 * glutamic acid
 * glycine
 * histidine
 * isoleucine
 * leucince
 * lysine
 * methionine
 * phenylalanine
 * proline
 * serine
 * threonine
 * tryptophan
 * tyrosine
 * valine