= 2-Mercaptoethanol
{title2=$\mathrm{HOCH}_2\mathrm{CH}_2\mathrm{SH}$}
{wiki}
= Mercaptoethanol
{synonym}
2-Mercaptoethanol is the <chemical compound> $\mathrm{HOCH}_2\mathrm{CH}_2\mathrm{SH}$; see the https://webbook.nist.gov/cgi/cbook.cgi?ID=C60242&Units=SI[NIST Chemistry WebBook, 2-mercaptoethanol: structure and names]. In the <ribonuclease A refolding experiment>, it breaks <protein disulfide bonds>, while the <peptide bonds> of the <protein backbone> remain intact. This separates a change in crosslinks from cutting the <polypeptide chain>.
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