NOC - A program for protein structure explorer - http://noc.ibp.ac.cn (Feb/27/2005 )

A new free program for protein structure model-building, visualization, validation and analysis.
download from http://noc.ibp.ac.cn

New version released
Solid molecular surface, electrostatic potential coloring, hydrophobic force coloring
Auto-fit sidechain against density data
1. Enhance Structures Comparison
2. Enhance secondary structure determination
3. Two electronic density maps supported