We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA guild of 45 CRISPR-associated (Cas) protein families and multiple CRISPR/Cas subtypes exist in prokaryotic genomes.AuthorsHaft DH; Selengut J; Mongodin EF; Nelson KEPublicationPLoS computational biology, 2005, Vol 1, Issue 6, pe60ISSN1553-7358Publication typearticleDOI10.1371/journal.pcbi.0010060