>gi|27894321 interleukin 1 receptor antagonist isoform 4 [Homo sapiens] MQAFRIWDVNQKTFYLRNNQLVAGYLQGPNVNLEEKIDVVPIEPHALFLG IHGGKMCLSCVKSGDETRLQLEAVNITDLSENRKQDKRFAFIRSDSGPTT SFESAACPGWFLCTAMEADQPVSLTNMPDEGVMVTKFYFQEDE