Ramachandran plot on the web. - S. S. Sheik; Prasanna Sundararajan; A. S. Z. Hussain; Krishna Sekar (Bioinform., 2002)

SEM (Symmetry Equivalent Molecules): a web-based GUI to generate and visualize the macromolecules. - A. S. Z. Hussain; Ch. Kiran Kumar; C. K. Rajesh; S. S. Sheik; Krishna Sekar (Nucleic Acids Res., 2003)