ral Ral interferes with the cleavage of DNA by E.coli EcoK restriction-modification system, inducing it to methylate unmethylated DNA rather than digest it. This modulation allows incoming, unmodified phages to escape the host's restriction system. VRAL_BPP22 Antirestriction protein MTTTIDTNQWCSRFVKCKGCKLDAECMVKPEEMALVREDGKIVDKWAIRTTEMIARELEKLKAI 64 Restriction inhibitor protein ral