Fig. 3
From: CRISPR-Based Diagnosis of Infectious and Noninfectious Diseases
The recent classification and functional modules of CRISPR-Cas system. The effector complex in Class I composed of multiple Cas protein while in class II a single multidomain protein forms a crRNA-binding complex. The component that missed in some subtypes represented by dashed outlines. The figure is adapted and modified from Ref. [53]