
doi: 10.1038/168696a0
pmid: 14882323
THE first snake-venom prepared in the pure crystalline form was crotoxin from Crotalus terr. terr. as described in 1938; at that time only its cystine and methionine contents were quantitatively determined1. This protein, with a molecular weight of 30,0002, proved to be homogeneous3 in the ultra-centrifuge2 as well as by electrophoresis4.
Venoms, Crotalid Venoms, Animals, Amino Acids, Crotoxin
Venoms, Crotalid Venoms, Animals, Amino Acids, Crotoxin
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