IL1RN GI:27894321 interleukin 1 receptor antagonist isoform 4 1 mqafriwdvn qktfylrnnq lvagylqgpn vnleekidvv piephalflg 50 51 ihggkmclsc vksgdetrlq leavnitdls enrkqdkrfa firsdsgptt 100 101 sfesaacpgw flctameadq pvsltnmpde gvmvtkfyfq ede