>2xurA (A:) observed residues (from ATOM records)
mkftverehllkplqqvsgplggrptlpilgnlllqvadgtlsltgtdlememvarvalv
qphepgattvparkffdicrglpegaeiavqlegermlvrsgrsrfslstlpaadfpnld
dwqseveftlpqatmkrlieatqfsmahqdvryylncmlfetegeelrtvatdghrlavc
smpigqslpshsvivprkgvielmrmldggdnplrvqigsnnirahvgdfiftsklvdgr
fpdyrrvlpknpdkhleagcdllkqafaraailsnekfrgvrlyvsenqlkitannpeqe
eaeeildvtysgaemeigfnvsyvldvlnalkcenvrmmltdsvssvqiedaasqsaayv
vmpmrl