>tr|Q90X14|Q90X14_CHICK Helix-loop-helix protein OS=Gallus gallus OX=9031 GN=Id3 PE=2 SV=1
MKAISPVRSVRSCYEAVCCLSEQSLAIARSSNNKSPALEEPMNLLYDMNDCYSKLRELVP
GIPQGTKLSQVEILQHVIDYIFDLQIVLEEGAKGRDPSSEATLLSLKAAELASGLCSKDE
RSLCH