Fig. 6From: Efficient production of 2H, 13C, 15N-enriched industrial enzyme Rhizopus chinensis lipase with native disulfide bondsMS spectra of r27RCL from P. pastoris and E. coli and LC–MS/MS tandem mass spectrum of peptide sequences obtained by enzymatic digestion a r27RCL(His)6 from P. pastoris, b r27RCL from E. coli, c −17DLPENPPPIPATSTAPSS1 peptide from AspN digested P. pastoris r27RCL(His)6, d MS/MS spectrum of peptide −17DLPENPPPIPATSTAPSS1 Back to article page