xCas9: Engineering a CRISPR Variant with PAM Flexibility
Type
Blog Post
...enzyme recognizing a broad range of PAMs like NG, GAA, and GAT, but also displaying increased editing specificity... NGG PAM. When they tested a variety of NG, GAT, GAA, and CAA PAMs, they saw that xCas9 3.7 cleaves multiple... efficiency), NGC (2.1-fold), NGA (1.6-fold) and GAA and GAT (5.2-fold). The low increase in NGA editing...in activating transcription. Sites containing NG, GAA, or GAT PAMs averaged 56-91% transcriptional activation... (37 vs 28%). Cytidine base editing at NGT, NGC, GAA, and GAT PAMs is improved, with a smaller increase...Construct
NGG PAM
NGA PAM
NGC PAM
NGT PAM
GAA PAM
GAT PAM
xCas9 3.7
41 (1)
32 (1.6)
...