2D42:
reference: Nontoxic crystal protein from Bacillus thuringiensis demonstrates a remarkable structural similarity to beta-pore-forming toxins., Akiba T, Higuchi K, Mizuki E, Ekino K, Shin T, Ohba M, Kanai R, Harata K, Proteins. 2006 Apr 1;63(1):243-8. PMID: 16400649

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