>4y8rH (H:) observed residues (from ATOM records)
ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig
snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsihadgstd
vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei
gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqee