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 15821,BTLA_HUMAN,Q7Z6A9,B- and T-lymphocyte attenuator,Q7Z6A9-2,2,MKTLPAMLGTGKLFWVFFLIPYLDIWNIHGKESCDVQLYIKRQSEHSILAGDPFELECPVKYCANRPHVTWCKLNGTTCVKLEDRQTSWKEEKNISFFILHFEPVLPNDNGSYRCSANFQSNLIESHSTTLYVTGKQNELSDTAGREINLVDAHLKSEQTEASTRQNSQVLLSETGIYDNDPDLCFRMQEGSEVYSNPCLEENKPGIVYASLNHSVIGPNSRLARNVKEAPTEYASICVRS,0,29,30,MKTLPAMLGTGKLFWVFFLIPYLDIWNIHG,3562.89124969,3565.34028,,RESID:49@0,,,1