1KHO:
reference: The first strain of Clostridium perfringens isolated from an avian source has an alpha-toxin with divergent structural and kinetic properties., Justin N, Walker N, Bullifent HL, Songer G, Bueschel DM, Jost H, Naylor C, Miller J, Moss DS, Titball RW, Basak AK, Biochemistry 2002 May 21;41(20):6253-62. PMID: 12009886

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