The PAM Requirement and Expanding CRISPR Beyond SpCas9
Type
Blog Post
Published
Aug. 20, 2020, 2:30 p.m.
...zebrafish embryos, and they can be used to modify genomic loci that cannot be modified using wild-type...Nov 12, 2015 and last updated Aug 20, 2020.
Cas9 can be used to modify any desired genomic target provided...Cas9 variants. These variants, named SpG and SpRY, can target NGN PAMs and NRN and NYN PAMs, respectively...) is about 1 kilobase smaller than SpCas9, so it can be packaged into adeno-associated virus (AAV).
At... D1135E variant is far more selective for the canonical S. pyogenes PAM sequence NGG compared to wild-...