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. Author manuscript; available in PMC: 2009 Jan 27.
Published in final edited form as: J Am Chem Soc. 2007 Sep 22;129(41):12432–12438. doi: 10.1021/ja072311g

Table 1.

Cofactor and co-substrate requirement for SgcC3-catalyzed chlorination of (S)-β-tyrosyl-S-SgcC2 (6) in vitro.

Entrya Condition Conversion Relative rate
II Complete assay 38% 100
III Complete assay – SgcE6 + E. Coli Fre 39% 100
IV Complete assay – SgcE6 6% 16
V Complete assay – FAD 11% 30
VI Complete assay – NADH 0 0
VII Complete assay – O2 0 0
a

Entry number corresponds to the chromatogram shown in Figure 5B.