>1pk0F (F:) observed residues (from ATOM records) teeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadgngtid fpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltdeevdem ireadidgdgqvnyeefvqmmta