high complexity QC sample metric QC2 sample metric Expected peptides from QC2 sample measurement are: 'YAEAVTR','STLTDSLVC(Carbamidomethyl)K','SLADELALVDVLEDK','NPDDITNEEYGEFYK','LAVDEEENADNNTK','FEELNMDLFR','EAALSTALSEK','DDVAQTDLLQIDPNFGSK','RFPGYDSESK','EATTEFSVDAR','EQFLDGDGWTSR','TPAQFDADELR','LGDLYEEEMR','EVSTYIK','FAFQAEVNR' A QC metric based on the results of a QC2 sample measurement. A QC2 sample is made from Pierce HeLa protein digest standard, see Pichler et al. Chiva et al. for details on QC sample design. MS MS:4000076