>1xra_ (-) observed residues (from ATOM records)
akhlftsesvseghpdkiadqisdavldaileqdpkarvacetyvktgmvlvggeittsa
wvdieeitrntvreigyvhsdmgfdanscavlsaigkqspdradpleqgagdqglmfgya
tnetdvlmpapityahrlvqrqaevrkngtlpwlrpdaksqvtfqyddgkivgidavvls
tqhseeidqkslqeavmeeiikpilpaewltsatkffinptgrfviggpmgdcgltgrki
ivdtyggmarhgggafsgkdpskvdrsaayaaryvaknivaagladrceiqvsyaigvae
ptsimvetfgtekvpseqltllvreffdlrpygliqmldllhpiyketaayghfgrehfp
wektdkaqllrdaaglk