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Oxygenated Cysteine
Daniela_5535
#1 Posted : Saturday, July 11, 2020 2:56:29 PM
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Hello,

I just had a question regarding get oxygenation of cysteine, When were stating that cysteine can oxidize its SH group , but what does they exactly imply , does that mean that it can remove its H group and then form the disulfide bridge to contribute to the 3D stricture of DNA ?

Just a little confused with their facts

Thanks
INSTR_Molly_59
#2 Posted : Saturday, July 11, 2020 7:01:28 PM
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Hey Daniela!

Oxidized -SH will remove the protons, and will form disulfide bonds.
I am not certain about disulfide bonds in DNA (saying this because my research induces disulfide bonds in DNA-based structures, and I don't know if you are looking at an example of that)... but there are definitely disulfides in amino acids for formation of proteins.

Cheers, and happy studying :)
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