>5ux9B (B:) observed residues (from ATOM records)
afnswlegqnlkeqvknpnievgdysyysgfyhsktfeeqavryllgdaptqevwesgqf
gevdklrigkfcsiasgatfmmagnqghradwistfpfskkefgegvkdgfqragdtivg
ndvwigseamimpgvhigdgaiigaravitknvapysvvvgnnvvvkkrfdenliqtllv
ikwwdwplqhikntmeilcsghieeleqyfiknvg