>1xfyQ (Q:) observed residues (from ATOM records)
qlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngt
idfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevd
qmireadidgdgqvnyeefvqmmtak