Barnase

spinqualitylabelsall models Barnase complex with tetranucleotide (PDB code 1brn) Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Function Barnase (BA, BActerial RiboNucleASE) is a bacterial ribonuclease synthesized and secreted by the bacterium Bacillus amyloliquefaciens. The inhibitor barstar (BST) binds to it very tightly and prevents it from digestion of the cell’s RNA. Relevance BA structure was used extensively for studying protein folding. Structural highlights BA hydrolyzes RNA at GpN sites where the active site positively charged Lys and Arg coordinate the RNA phosphate group (Lys and Arg are in magenta). 3D Structures of Barnase Barnase 3D structures

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