PFR,UniProt Id,Entry Accession,Entry Description,Isoform Accession,Isoform Description,Isoform Sequence,Start,End,Length,Proteoform Sequence,Monoisotopic Mass,Average Mass,Sequence Modifications,PTMs,N-Terminal,C-Terminal,Star 3755,CASK_HUMAN,P07498,Kappa-casein,P07498,,MKSFLLVVNALALTLPFLAVEVQNQKQPACHENDERPFYQKTAPYVPMYYVPNSYPYYGTNLYQRRPAIAINNPYVPRTYYANPAVVRPHAQIPQRQYLPNSHPPTVVRRPNLHPSFIAIPPKKIQDKIIIPTINTIATVEPTPAPATEPTVDSVVTPEAFSESIITSTPETTTVAVTPPTA,0,181,182,MKSFLLVVNALALTLPFLAVEVQNQKQPACHENDERPFYQKTAPYVPMYYVPNSYPYYGTNLYQRRPAIAINNPYVPRTYYANPAVVRPHAQIPQRQYLPNSHPPTVVRRPNLHPSFIAIPPKKIQDKIIIPTINTIATVEPTPAPATEPTVDSVVTPEAFSESIITSTPETTTVAVTPPTA,20334.60539969,20347.35048,,RESID:49@0,,,1