>2bk6D (D:) observed residues (from ATOM records) vdtkeflnhqvanlnvftvkihqigwymrghnfftlhekmddlysefgeqmdevaerlla iggspfstlkeflenasveeapytkpktmdqlmedlvgtlellrdeykqgieltdkegdd vtndmliafkasidkhiwmfkaflgkaple