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. Author manuscript; available in PMC: 2015 Oct 16.
Published in final edited form as: Nature. 2015 Jan 26;520(7547):383–387. doi: 10.1038/nature14100

Extended Data Figure 1. Mass spectrometric verification of apo to holo conversion of PCP4 with Sfp and L-pHPG-L-Arg-D-pHPG-L-Ser-S-coenzyme A (1), forming L-pHPG-L-Arg-D-pHPG-L-Ser-S-PCP4 (2).

Extended Data Figure 1

Top: mass spectrum (ESI+) of apo-PCP4. Bottom: mass spectrum (ESI+) of L-pHPG-L-Arg-D-pHPG-L-Ser-S-PCP4 (2) derived from treatment of apo-PCP4 with Sfp and corresponding synthetic tetrapeptidyl-CoA substrate 1.