Apamine is a small protein toxin present in the venom of the honeybee. It has the sequence

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Apamine is a small protein toxin present in the venom of the honeybee. It has the sequence 

CNCKAPETALCARRCQQH 

(a) If apamine does not react with iodoacetate (see Tools of Biochemistry 5B), then how many disulfide bonds are present? 

(b) If trypsin cleavage gave two peptides, then where is(are) the S¬S bond(s)?

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Biochemistry Concepts And Connections

ISBN: 9780134641621

2nd Edition

Authors: Dean Appling, Spencer Anthony-Cahill, Christopher Mathews

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