TM-align is a computer algorithm for quick and accurate protein structure alignment using dynamic programming and TM-score rotation matrix. An optimal alignment between two proteins, as well as the TM-score, will be reported for each comparison. References:Y. Zhang, J. Skolnick, TM-align: A protein structure alignment algorithm based on TM-score. Nucleic Acids Research, 2005 33: 2302-2309 Registration not required.