>sp|Q9YGS0|IRX4_CHICK Iroquois-class homeodomain protein IRX-4 OS=Gallus gallus GN=IRX4 MSYPQFGYPYSSAPQFLMSTNSLTPCCESGGRTLPESGPAAPAQTPVYCPVYESRLLATA RHELNSAAALGVYGGPYGGPQGYGNYVTYGTEAPAFYSLNTLEAKDGGGSAHAGISPAAA YYPYEHSLSQYQYDRYGAMDGGTRRKNATRETTSTLKAWLQEHRKNPYPTKGEKIMLAII TKMTLTQVSTWFANARRRLKKENKMTWPPRNKCSDEKRPYEEEEEEEEECSQEDAMKSEK AEEPTGKEEKELELSDLEDLDAAESESSECEMRRPFPHPHPHPLPGGGPPPRAAEPPAAA AEEEEEEAAERARGCLKPAAEECEAALLGARPRGCEAKLCFPQGQPLLEAKPRIWSLAHT ATSLNQAEYPSCMLKRSGGSAAAAVSAPVSVMDRHQDSPVTNLRNWVDGVFHDPLFRHST LNQALSNTTVSWATTKGAILETGALGRSVGNGANVLKGQLANLAHQDSSKEFLAFPKAGS KMFCS