====== PROTEIN STRUCTURE ======


  * [[:en:proteins | Proteins ]] ( polypeptides )
    * monopeptides 
    * dipeptides 
    * tripeptides 
    * polypeptides 

  * Simple proteins
    * albumin
      * egg albumin
      * lactalbumin
      * myalbumin
      * serum albumin  
    * Globulin
    * Glutelin
      * present in cereals
    * Prolamines or gliadins
    * Scleroprotein or albuminoids 
    * Histones
    * Protamine
  * Conjugated Proteins
    * Nucleoprotein
    * Phosphoprotein
      * casein of milk
      * vitellin of egg
    * Mucoprotein and glycoprotein
    * Lipoprotein
    * Metalloprotein
    * Chromoprotein 
      * hemoglobin
      * melanoprotein
      * flavoprotein
      * cytochrome 
      * chlorophyll
  * Derived proteins
    * primary derivatives
    * secondary derivatives
      * proteoses
      * peptones
      * peptides
      * diketopiperazines