2A7T:
reference: Crystal structure of a highly acidic neurotoxin from scorpion Buthus tamulus at 2.2A resolution reveals novel structural features., Sharma M, Ethayathulla AS, Jabeen T, Singh N, Sarvanan K, Yadav S, Sharma S, Srinivasan A, Singh TP, J Struct Biol. 2006 Jul;155(1):52-62. Epub 2006 Jan 9. PMID: 16677826

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