>4PY1_1|Chain A|Non-receptor tyrosine-protein kinase TYK2|Homo sapiens (9606) MAHHHHHHHHHHGALEVLFQGPGDPTVFHKRYLKKIRDLGEGHFGKVSLYCYDPTNDGTGEMVAVKALKADAGPQHRSGWKQEIDILRTLYHEHIIKYKGCCEDAGAASLQLVMEYVPLGSLRDYLPRHSIGLAQLLLFAQQICEGMAYLHSQHYIHRDLAARNVLLDNDRLVKIGDFGLAKAVPEGHEYYRVREDGDSPVFWYAPECLKEYKFYYASDVWSFGVTLYELLTHCDSSQSPPTKFLELIGIAQGQMTVLRLTELLERGERLPRPDKCPAEVYHLMKNCWETEASFRPTFENLIPILKTVHEKYQGQAPS