>1xfzO (O:) SEQRES residues madqlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadg ngtidfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltde evdqmireadidgdgqvnyeefvqmmtak