1PX9:
reference: Exploring structural features of the interaction between the scorpion toxinCnErg1 and ERG K+ channels., Frenal K, Xu CQ, Wolff N, Wecker K, Gurrola GB, Zhu SY, Chi CW, Possani LD, Tytgat J, Delepierre M, Proteins 2004 Aug 1;56(2):367-75. PMID: 15211519

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