Jmol view
The 3D View page visualizes the PDB structures using Jmol (an open-source Java viewer for chemical structures in 3D, http://www.jmol.org/) and provides options to render structures in different styles and colors.
1y4bD - 1a01B of substitution A-H at 37
*1y4bD: red cartoon and yellow stick
*1a01B: green cartoon and blue stick
Protein structure alignment:
Protein sequence alignment:
Protein sequence alignment: