>2xbbB (B:) observed residues (from ATOM records)
rdykrkyeffrrklkkqndipnkfemklrratvledsyrrimgvkradflkarlwiefdg
ekgldyggvarewffliskemfnpyyglfeysatdnytlqinpnsglcnedhlsyfkfig
rvagmavyhgklldgffirpfykmmlhkpitlhdmesvdseyynslrwilendpteldlr
fiideelfgqthqhelknggseivvtnknkkeyiylviqwrfvnriqkqmaafkegffel
ipqdlikifdenelellmcglgdvdvndwrehtkykngysanhqviqwfwkavlmmdsek
rirllqfvtgtsrvpmngfaelygsngpqsftveqwgtpeklprahtcfnrldlppyesf
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