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Design optimal guide RNAs for CRISPR diagnostics in four steps.
Enzyme & PAM
Step 1 of 4
Choose enzyme family
Sequence
Input target sequence
Configure
Set spacer parameters
Review & Find
Verify and submit
Cas12a (Cpf1)
DNA targeting · PAM dependent
18–24 nt spacers · collateral ssDNA cleavage
PAM sequence
Cas13a (C2c2)
RNA targeting · PAM independent
20–28 nt spacers · collateral ssRNA cleavage