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. 2023 Feb 8;66(4):3088–3105. doi: 10.1021/acs.jmedchem.2c02074

Table 1. Modified Cys Residues upon Incubation of 3CLpro with 3 Determined by Protein Digestion Analysisa.

peptide site of labeling function
H.VIC[3]TSEDMLNPNYEDLLIR.K Cys44 active site Cys
R.VIGHSMQNC[3]VLK.L Cys85 surface accessible Cys
D.YDC[3]VSFCYMHHMELPTGVHAGTDLEGNFYGPFVDR.Q Cys156 surface accessible Cys
R.TILGSALLEDEFTPFDVVRQC[3]SGVTF.Q Cys300 surface accessible Cys
a

Re(V)-modified residues are indicated by the C[3] designation. Periods at the start and end of each sequence indicate peptide cleavage sites. Experimental details can be found in the Experimental Section.