Silk

 Click-hold mouse button to move structure.
Click "x" box to toggle between structures
.
  to edge view   Layer / wireframe
  Model (ball & stick / wireframe)   Two chains / wireframe
  Alanine / wireframe   Ribbons / wireframe
  Glycine / wireframe Ala-gly / wireframe

Color Codes

C

 H

 N

 O

 P

 S

 Cl

 F
H bonds (red lines) / wireframe