>2w73B (B:) SEQRES residues madqlteeqiaefkeafslfdkdgdgtittkelgtvmrslgqnpteaelqdminevdadg ngtidfpefltmmarkmkdtdseeeireafrvfdkdgngyisaaelrhvmtnlgekltde evdemireadidgdgqvnyeefvqmmtak