Keywords: L-Serine-zwitterion-3D-balls.png Ball-and-stick model of the L-serine molecule it its zwiiterionic form Derived from File L-cysteine-zwitterion-3D-balls png 2010-06-28 Ben Mills and Jynto L-serine Zwitterionic forms of L-amino acids Images by Jynto Ball-and-stick models |