>2f67A (A:) observed residues (from ATOM records)
hhhhhhmrkiyiagpavfnpdmgasyynkvrellkkenvmpliptdneatealdirqkni
qmikdcdaviadlspfrghepdcgtafevgcaaalnkmvltftsdrrnmrekygsgvdkd
nlrvegfglpfnlmlydgvevfdsfesafkyflanfps