>1nfrA (A:) observed residues (from ATOM records) sgrltgkvalvsggargmgashvramvaegakvvfgdildeegkamaaeladaaryvhld vtqpaqwkaavdtavtafgglhvlvnnagilnigtiedyaltewqrildvnltgvflgir avvkpmkeagrgsiinissieglagtvachgytatkfavrgltkstalelgpsgirvnsi hpglvktpmtdwvpedifqtalgraaepvevsnlvvylasdessystgaefvvdggtvag lahn