>tr|E5RH48|E5RH48_HUMAN Protein tyrosine kinase 2 (Fragment) OS=Homo sapiens OX=9606 GN=PTK2 PE=1 SV=1 MAAAYLDPNLNHTPNSSTKTHLGTGMERSPGAMERVLKVFHYFESNSEPTTWASIIRHGD ATDVRGIIQKIVDSHKVKHVACYGFRLSHLRSEEVHWLHVDMGVSSV