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. Author manuscript; available in PMC: 2020 Nov 20.
Published in final edited form as: Bioconjug Chem. 2019 Oct 10;30(11):2799–2804. doi: 10.1021/acs.bioconjchem.9b00550

Table 1.

Kinetic Parameters of Sterol and Steramer Substrates for Protein−DNA Conjugation Catalyzed by HhC

substrate kmax(s−1) (×10−3) t1/2(min) Km (μM) relative proficiency
cholesterol 1.6 7.4 0.70
pregnenolone 1.6 7.3 11 1
preg-methoxime (I) 2.8 4.2 5.3 3.6
II 1.2 9.3 3.0 2.8
S-dT10 1.8 6.4 9.2 1.3
S-dT30 2.0 5.8 7.1 1.9
S-dT39 1.1 11 11 0.7