>4u39G (G:) observed residues (from ATOM records)
ikvigvggggnnavnrmienevqgveyiavntdaqalnlskaevkmqigakltrglgaga
npevgkkaaeeskeqieealkgadmvfvtagmgggtgtgaapviaqiakdlgaltvgvvt
rpftfegrkrqlqaaggisamkeavdtlivipndrileivdkntpmleafreadnvlrqg
vqgisdliadvktimsgsalmgigiaaeaakkaissplleaaidgaqgvlmnitggtnls
lyevqeaadivasasdqdvnmifgsvinenlvvtviatg