9mb7 | pdb_00009mb7

Cryo-EM structure of eSaCas9-NNG-guide RNA-mismatched target DNA complex

spinqualitylabelsall models 9mb7, resolution 2.88Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 9mb7 is a 4 chain structure with sequence from Staphylococcus aureus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 2.88Å Ligands: AS, GS, MG, PST, SC Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function CAS9_STAAU CRISPR (clustered regularly interspaced short palindromic repeat) is an adaptive immune system that provides protection against mobile genetic elements (viruses, transposable elements and conjugative plasmids). CRISPR clusters contain spacers, sequences complementary to antecedent mobile elements, and target invading nucleic acids. CRISPR clusters are transcribed and processed into CRISPR RNA (crRNA). In type II CRISPR systems correct processing of pre-crRNA requires a trans-encoded small RNA (tracrRNA), endogenous ribonuclease 3 (rnc) and this protein. The tracrRNA serves as a guide for ribonuclease 3-aided processing of pre-crRNA. Subsequently Cas9/crRNA/tracrRNA endonucleolytically cleaves linear or circular dsDNA target complementary to the spacer; Cas9 is inactive in the absence of the 2 guide RNAs (gRNA). Cas9 recognizes the protospacer adjacent motif (PAM) in the CRISPR repeat sequences to help distinguish self versus nonself, as targets within the bacterial CRISPR locus do not have PAMs. PAM recognition is also required for catalytic activity.[HAMAP-Rule:MF_01480] SUMO_YEAST Ubiquitin-like protein that can be covalently attached to proteins as a monomer or a lysine-linked polymer (PubMed:9312010). Sumoylation, the attachment of SUMO to target proteins, regulates multiple cellular events (By similarity).[UniProtKB:O13351]

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