>3l43B (B:) observed residues (from ATOM records)
pqiavvggqsagkssvlenfvgrdflprvtrrplvlqlitskaeyaeflhckgkkftdfd
evrleieaetdrvtissipinlrvysphvlnltlidlpgitkvpvgdqppdieyqiremi
mqfitrenclilavtpantdlansdalklakevdpqglrtigvitkldlmdegtdardvl
enkllplrrgyvgvvnrsqkdidgkkdikaamlaerkfflshpayrhiadrmgtphlqkv
lnqqlt