7t26

Structure of phage FBB1 anti-CBASS nuclease Acb1 in apo state

spinqualitylabelsall models 7t26, resolution 1.14Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 7t26 is a 1 chain structure with sequence from Erwinia phage FBB1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.14Å Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function ACB1_BPFBB Counteracts the host CBASS antiviral defense system. Phosphodiesterase that enables metal-independent hydrolysis of the host cyclic di- and trinucleotide CBASS signals such as 3'3'-cGAMP, 3'3'cUA, and 3'3'3'-cAAA (PubMed:35395152). Does not cleave cGG or cA4 (By similarity). Besides evasion of the CBASS system, might also enable evasion of the type III CRISPR systems that use cA3 signals (By similarity).[UniProtKB:P04533]

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