>1xfyR (R:) observed residues (from ATOM records) qlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngt idfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevd qmireadidgdgqvnyeefvqmmtak