xCas9: Engineering a CRISPR Variant with PAM Flexibility
Type
Blog Post
Published
March 28, 2018, 6:52 p.m.
...NGAG and NGCG and SaCas9 with an NNGRRN PAM by mutagenizing the PAM-interacting domain. However, these alternative...mutants with PAM flexibility. In this system, the mutagenesis plasmid (MP6) permits quick, large-scale mutation...recognizing multiple PAMs should have a fitness advantage over proteins with single PAM recognition.
After...bacteria where cleavage leads to the loss of spectinomycin resistance. xCas9 3.7 showed the broadest PAM...cell population measured with NGS) are shown as percentages, with fold changes compared to SpCas9 in parentheses...