>2nl9A (A:) observed residues (from ATOM records)
ddlyrqsleiisrylreqatgsgaagrraletlrrvgdgvqrnhetafqgmlrkldikne
ddvkslsrvmihvfsdgvtnwgrivtlisfgafvakhlktinqescieplaesitdvlvr
tkrdwlvkqrgwdgfveffhve