http://noc.ibp.ac.cn/ Highlights of NOC: Easy-to-use; Novel and precise structures representation; Auto-fit residues' side-chain against density data; Solid surface calculation, generation and electrostatic potential, hydrophobic force coloring; Easy to superimpose structures; Structure validation; Hardware 3D-Stereo Visualizing Support; Molecular animate model generation; Potentials calculation; Analyze the trajectory of Amber;