>3c91N (N:) SEQRES residues tttvgitlkdavimaterrvtmenfimhkngkklfqidtytgmtiaglvgdaqvlvrymk aelelyrlqrrvnmpieavatllsnmlnqvkympymvqllvggidtaphvfsidaaggsv ediyastgsgspfvygvlesqysekmtvdegvdlviraisaakqrdsasggmidvavitr kdgyvqlptdqiesrirklglil