LC-MS/MS Identification of a Bromelain Peptide Biomarker from Ananas comosus Merr

Table 2

Bromelain LC/MS/MS protein identification: raw material corresponds to spiked plasma.

Protein name	Accession number	MW (kDa)	Unique peptides	Match probabilty	Sequence aa coverage	ID in raw material and plasma
(A) FB1035 precursor	gi∣2463588	36.2	14	100%	165/356 (46%)	Y
(B) Cysteine proteinase precursor N11	gi∣3377950	39.6	7	100%	99/357 (28%)	Y
(C) Ananain	gi∣2623956	38.2	11	100%	140/345 (41%)	Y
(D) Bromelain inhibitor	gi∣110282975	27.5	5	100%	50/246 (20%)	Y
(E) Jacalin-like lectin	gi∣33323037	15.5	9	100%	125/145 (86%)	Y
(F) FBSB precursor	gi∣2463584	39.6	14	100%	165/356 (46%)	Y