Reference:
 - Author: Avner Schlessinger and Guy Yachdav and Burkhard Rost
   Journal: Bioinformatics
   Year: 2006 Apr 1
   Volume: 22
   Number: 7
   Pages: 891-893
   Title: "OPRFbval: predict flexible and rigid residues in proteins"
   PMID: 16455751
   DOI: 10.1093/bioinformatics/btl032
   URL: https://academic.oup.com/bioinformatics/article/22/7/891/202796
   ePrint: "https://academic.oup.com/bioinformatics/article-pdf/\
    22/7/891/523458/btl032.pdf"
Registry:
 - Name: OMICtools
   Entry: OMICS_09791
 - Name: bio.tools
   Entry: NA
 - Name: SciCrunch
   Entry: NA
