4GV5:
reference: Structure of the polypeptide crotamine from the Brazilian rattlesnake Crotalus durissus terrificus., Coronado MA, Gabdulkhakov A, Georgieva D, Sankaran B, Murakami MT, Arni RK, Betzel C, Acta Crystallogr D Biol Crystallogr. 2013 Oct;69(Pt 10):1958-64. doi:, 10.1107/S0907444913018003. Epub 2013 Sep 20. PMID: 24100315

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