Tryptophan | Properties | Biosynthesis | Function.....
 Tyrosin | Introduction | History | Stucture.....
Selenocysteine | Introduction | History | Fuction......
 Pyrrolysine | Introduction | History | Applications.....
 Arginine | Introduction | History | Applications....
Valine | Introduction | History | properties.....
Proline | Introduction | History | Biosynthesis.....