The cryogenic electron microscope structure of the A4p-activated (green) CalpL protein filament (violet) from Candidatus Cloacimonas acidaminovorans (PDB ID: 9EYJ). CRISPR-Cas systems help to protect ...
Bacteria and their viruses, known as phages, are locked in an age-old arms race. To defend against phage attacks, bacteria have evolved sophisticated mechanisms to recognize and counteract invading ...
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