>2fefB (B:) observed residues (from ATOM records)
ltldnrlaealplwrnlartdraprrnidladwkadwreliaaldrfsrshgyrqpfaaq
ghaalenawawgqaaenastlllkaidrglagaelrsiyletaalwldysrllgaardsl
reqgetapalaprtgqypfalqllamgvlldaqelipalveevlqfdtdrlldylgaaal
gltsaseetfhprpfgqlraffeeadgsdaqalapylqsqyreffqlspkaqkktrrltg
pyawgwwamevsalgvlygwddgvlrasphylgdlvdyarargd