4Q7O:
reference: The structure of a contact-dependent growth-inhibition (CDI) immunity protein from Neisseria meningitidis MC58., Tan K, Johnson PM, Stols L, Boubion B, Eschenfeldt W, Babnigg G, Hayes CS, Joachimiak A, Goulding CW, Acta Crystallogr F Struct Biol Commun. 2015 Jun 1;71(Pt 6):702-9. doi:, 10.1107/S2053230X15006585. Epub 2015 May 20. PMID: 26057799

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