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. Author manuscript; available in PMC: 2013 Jun 14.
Published in final edited form as: Biochemistry. 2008 Dec 2;47(48):12810–12821. doi: 10.1021/bi800951f

Table 4.

Ratio of Turnover Rates of Peptide Substrates.

Enzyme Acyclic-Se/
Acyclic-S		 Cyclic /Acyclica
mTR3Δ8 410 32
DmTRΔ8 775 1025
CeTR2Δ8 317 2267
a

For mTrR3Δ8, the cyclic and acyclic peptides both contained Se at the leaving group position, while for DmTRΔ8 and CeTRΔ8 both peptides contained S at the leaving group position.