Additional file 2: Sequences S1. DNA sequences of the OsU3 and TaU6 promoters used in this study. Sequences S2. DNA sequences of sgRNA, esgRNA, and scRNAs used in this study. Sequences S3. DNA sequences of the modules composed of PBEcs and PABEcs used in this study. Sequences S4. DNA sequences of templates for assemble multiple sgRNAs used in this study. Sequences S5. DNA sequences of SWISSv2/v3 and SWISSv2/v3-NG used in this study.