Leucine Amino Acid | Introduction | Structure | Chemical Properties | Sources.....
Serine Amino Acid | Introduction | Chemical Properties | Biosynthesis and Function...
 ExPASy Database | Introduction | Protein Analysis | Swiss Institute of Bioinformatics (SIB).....
Phobius Database | Introduction | Transmembrane topology | Amino acid sequence....
 Pfam Database | Introduction | History | Uses.......
 InterPro Database | Introduction | Amino acid Sequence | Protein Family......
UniProt Database | Introduction | Protein sequence | Biochemical Data......