Positive test controls include: Mouse brain, Mouse kidney, Rat brain. Immunogen sequence: MAGPEGFQYR ALYPFRRERP EDLELLPGDV LVVSRAALQA LGVAEGGERC PQSVGWMPGL NERTRQRGDF PGTYVEFLGP VALAR. Binds to activated (phosphorylated) protein-tyrosine kinases, through