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EC 3.4.24.1 Details
EC number
3.4.24.1
Accepted name
atrolysin A
Reaction
Cleavage of Asn3┼Gln, His5┼Leu, His10┼Leu, Ala14┼Leu and Tyr16┼Leu in insulin B chain; removes C-terminal Leu from small peptides
Other name(s)
Crotalus atrox metalloendopeptidase a, hemorrhagic toxin a, Crotalus atrox α-proteinase, Crotalus atrox proteinase, bothropasin
CAS registry number
37288-82-7
Comment
A hemorrhagic endopeptidase of 68 kDa, one of six hemorrhagic toxins in the venom of western diamondback rattlesnake. The 60 kDa hemorrhagic toxin 1 of Crotalus ruber ruber shows identical specificity [2]. In peptidase family M12 (astacin family). Related metalloendopeptidases from rattlesnake venoms are EC 3.4.24.41 (atrolysin B), EC 3.4.24.42 (atrolysin C), EC 3.4.24.43 (atroxase), EC 3.4.24.44 (atrolysin E), EC 3.4.24.45 (atrolysin F), EC 3.4.24.46 (adamalysin), EC 3.4.24.47 (horrilysin), and EC 3.4.24.48 (ruberlysin)
History
created 1972, modified 1986
EC Tree
3.4.24.2 created 1972, deleted 1992
3.4.24.4 created 1972 [EC 3.4.99.13 and EC 3.4.99.22 both created 1972, incorporated 1978], deleted 1992
3.4.24.5 created 1978, deleted 1989
3.4.24.8 created 1978, deleted 1992
3.4.24.9 created 1978, deleted 1992
3.4.24.10 created 1972 as EC 3.4.99.12, transferred 1978 to EC 3.4.24.10, deleted 1992