>1br4H (H:) observed residues (from ATOM records) fseeqtaefkeafqlfdrtgdgkilysqcgdvmralgqnptnaevmkvlgnpksdemnlk tlkfeqflpmmqtiaknkdqgcfedyveglrvfdkegngtvmgaeirhvlvtlgekmtee eveqlvaghedsngcinyeelvrmvlsg