Reference:
 Author: Arun S. Konagurthu and James C. Whisstock and Peter J. Stuckey and Arthur M. Lesk
 Title: >
  MUSTANG: A multiple structural alignment algorithm
 Journal: >
  Proteins: Structure, Function, and Bioinformatics
 Volume: 64
 Number: 3
 Pages: 559-574
 Year: 2006
 DOI: 10.1002/prot.20921
 PMID: 16736488
 URL: http://www3.interscience.wiley.com/journal/112638073/abstract
