>1f8aB (B:) observed residues (from ATOM records)
gshgmadeeklppgwekrmsrssgrvyyfnhitnasqwerpseparvrcshllvkhsqsr
rpsswrqekitrtkeealelingyiqkiksgeedfeslasqfsdcssakargdlgafsrg
qmqkpfedasfalrtgemsgpvftdsgihiilrte