>sp|O77762|IL4_CANLF Interleukin-4 OS=Canis lupus familiaris GN=IL4 MGLTSQLIPTLVCLLALTSTFVHGHNFNITIKEIIKMLNILTARNDSCMELTVKDVFTAP KNTSDKEIFCRAATVLRQIYTHNCSNRYLRGLYRNLSSMANKTCSMNEIKKSTLKDFLER LKVIMQKKYYRH