>1n2xB (B:) observed residues (from ATOM records)
hipvmvrevieflkpedekiildctvgegghsrailehcpgcriigidvdsevlriaeek
lkefsdrvslfkvsyreadfllktlgiekvdgilmdlgvstyqlkgenrgftfereepld
mrmdlesevtaqkvlnelpeeelariifeygeekrfarriarkivenrplnttldlvkav
realpsyeirrrkrhfatktfqairiyvnrelenlkeflkkaedllnpggrivvisfhsl
edrivketfrnskklriltekpvrpsprarsgrlraae