>1xurA (A:) observed residues (from ATOM records)
ynvfprtlkwskmnltyrivnytpdmthsevekafkkafkvwsdvtplnftrlhdgiadi
misfgikehgdfypfdgpsgllahafppgpnyggdahfdddetwtssskgynlflvaahe
fghslgldhskdpgalmfpiytytgkshfmlpdddvqgiqslygpgded