>4ya4H (H:) observed residues (from ATOM records)
ttivgvkfnngvviaadtrstqgpivadkncaklhrispkiwcagagtaadteavtqlig
snielhslytsreprvvsalqmlkqhlfkyqghigaylivagvdptgshlfsidahgstd
vgyylslgsgslaamavleshwkqdltkeeaiklasdaiqagiwndlgsgsnvdvcvmei
gkdaeylrnyltpnvreekqksykfprgttavlkesivnicdiqee