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. 2023 Sep 11;6(12):e202302021. doi: 10.26508/lsa.202302021

Figure 1. Construction of epitope-tagged rim alleles using CRISPR/Cas9.

Figure 1.

(A) Overview of the Drosophila melanogaster rim locus on chromosome III and illustration of genomic targeting strategy. #1 and #2 mark positions of the gRNA probes. (B) Location and size of the rim gene fragment excised by CRISPR/Cas9 and replaced by φC31-mediated integration to generate rimrescue-Znf (gray), rimV5-Znf (blue), and rimHA-Znf (magenta) alleles. UTR, untranslated region. (C) Drosophila RIM protein domain positions: Rab3/zinc finger (Znf), PDZ, C2A, PxxP, and C2B domains and position of the N-terminal epitope tag (V5-Znf or HA-Znf) is indicated.