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. 2024 Oct 29;15:9306. doi: 10.1038/s41467-024-53778-1

Fig. 3. Cas5 and Cas7 stabilize the crRNA:TS hybrid for target interrogation.

Fig. 3

a, c Left: overview of the type IV-A1 (a) and type IV-A3 effectors (c). Cas proteins are shown as translucent cartoons. Right: close-up view on the seed region in TS position −1 to −5 in types IV-A1 (a) and IV-A3 (c). Notch motif side chains in proximity to the base pair in position −1 are shown as sticks. b, d Cas7.3 (purple) of types IV-A1 (b) and IV-A3 (d) associated with the TS (blue) and crRNA (orange) hybrid in two 90° rotated views. The right panels show the adjacent Cas7 subunits (transparent cartoon).