4G6V:
reference: Structural basis of toxicity and immunity in contact-dependent growth inhibition (CDI) systems., Morse RP, Nikolakakis KC, Willett JL, Gerrick E, Low DA, Hayes CS, Goulding CW, Proc Natl Acad Sci U S A. 2012 Dec 26;109(52):21480-5. doi:, 10.1073/pnas.1216238110. Epub 2012 Dec 10. PMID: 23236156

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