The activity of a thermostable lipoyl synthase from Sulfolobus solfataricus with a synthetic octanoyl substrate

The protein lipoyl synthase (LipA) is essential for lipoic acid biosynthesis via sulfur insertions into a protein-bound octanoyl group. We have developed an in vitro assay for LipA using a synthetic tetrapeptide substrate, containing an N ε-octanoyl lysine residue, corresponding in sequence to the l...

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