Allison
Forum Senior
Topics: 20
Posts: 117
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During the conversion of proinsulin to insulin, bonds between which of the following amino acid residues keep the two chains of the insulin molecule together?
A) Cysteine
B) Lysine
C) Methionine
D) Serine
E) Tyrosine
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| vallia
Forum Guru
Topics: 98
Posts: 889
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A
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| NE
Forum Guru
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Posts: 504
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Are S-S bonds so it has to be cysteine.
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| girl^interrupted
Forum Elite
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The insulin structure is made up of
1. Alpha chain
2. Beta chain
There are 2 disulfide bonds between these 2 chains
There is 1 disulfide bond between cysteins of alpha chain
Hence total 3 disulfide bonds.
A total of 6 cysteine molecules r present in insulin
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| ManuNastai
Transilvanian..
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