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  • Title: SEM (Symmetry Equivalent Molecules): A web-based GUI to generate and visualize the macromolecules.
    Author: Hussain AS, Kumar ChK, Rajesh CK, Sheik SS, Sekar K.
    Journal: Nucleic Acids Res; 2003 Jul 01; 31(13):3356-8. PubMed ID: 12824326.
    Abstract:
    SEM, Symmetry Equivalent Molecules, is a web-based graphical user interface to generate and visualize the symmetry equivalent molecules (proteins and nucleic acids). In addition, the program allows the users to save the three-dimensional atomic coordinates of the symmetry equivalent molecules in the local machine. The widely recognized graphics program RasMol has been deployed to visualize the reference (input atomic coordinates) and the symmetry equivalent molecules. This program is written using CGI/Perl scripts and has been interfaced with all the three-dimensional structures (solved using X-ray crystallography) available in the Protein Data Bank. The program, SEM, can be accessed over the World Wide Web interface at http://dicsoft2.physics.iisc.ernet.in/sem/ or http://144.16.71.11/sem/.
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