Abstract: Provided are compositions and methods that include one or more of: (1) a Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the effector protein, and/or a modified host cell comprising the effector protein (and/or a nucleic acid encoding the same); (2) a CRISPR/Cas guide RNA that binds to and provides sequence specificity to the Class 2 CRISPR/Cas effector protein, a nucleic acid encoding the CRISPR/Cas guide RNA, and/or a modified host cell comprising the CRISPR/Cas guide RNA (and/or a nucleic acid encoding the same); and (3) a CRISPR/Cas transactivating noncoding RNA (trancRNA), a nucleic acid encoding the CRISPR/Cas trancRNA, and/or a modified host cell comprising the CRISPR/Cas trancRNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).

Abstract: The present disclosure provides RNA-guided endonucleases, nucleic acids encoding same, and compositions comprising same. The present disclosure provides ribonucleoprotein complexes comprising: an RNA-guided endonuclease of the present disclosure; and a guide RNA. The present disclosure provides methods of modifying a target nucleic acid, using an RNA-guided endonuclease of the present disclosure and a guide RNA.

Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include one or more of: (1) a Cas12c protein (also referred to as a C2c3 protein), a nucleic acid encoding the Cas12c protein, and/or a modified host cell comprising the Cas12c protein (and/or a nucleic acid encoding the same); (2) a Cas12c guide RNA (also referred to herein as a C2c3 guide RNA) that binds to and provides sequence specificity to the Cas12c protein, a nucleic acid encoding the Cas12c guide RNA, and/or a modified host cell comprising the Cas12c guide RNA (and/or a nucleic acid encoding the same); and (3) a Cas12c transactivating noncoding RNA (trancRNA) (referred to herein as a Cas12c trancRNA or C2c3 trancRNA), a nucleic acid encoding the Cas12c trancRNA, and/or a modified host cell comprising the Cas12c trancRNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include a CasY transactivating noncoding RNA (trancRNA) (referred to herein as a “CasY trancRNA”), nucleic acids encoding the CasY trancRNA, and/or a modified host cell comprising the CasY trancRNA (and/or a nucleic acid encoding the same). Subject compositions and methods can also include one or more of: (a) a “CasY” protein (also referred to as a CasY polypeptide, a Cas12d protein, and a Cas12d polypeptide), a nucleic acid encoding the CasY protein, and/or a modified host cell comprising the CasY protein (and/or a nucleic acid encoding the same); and (b) a CasY guide RNA (also referred to herein as a “Cas12d guide RNA”) that binds to and provides sequence specificity to the CasY protein, a nucleic acid encoding the CasY guide RNA, and/or a modified host cell comprising the CasY guide RNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).

Abstract: Provided are compositions and methods that include one or more of: (1) a “CasZ” protein (also referred to as a CasZ polypeptide), a nucleic acid encoding the CasZ protein, and/or a modified host cell comprising the CasZ protein (and/or a nucleic acid encoding the same); (2) a CasZ guide RNA that binds to and provides sequence specificity to the CasZ protein, a nucleic acid encoding the CasZ guide RNA, and/or a modified host cell comprising the CasZ guide RNA (and/or a nucleic acid encoding the same); and (3) a CasZ transactivating noncoding RNA (trancRNA) (referred to herein as a “CasZ trancRNA”), a nucleic acid encoding the CasZ trancRNA, and/or a modified host cell comprising the CasZ trancRNA (and/or a nucleic acid encoding the same).