>2bk6B (B:) SEQRES residues mktinsvdtkeflnhqvanlnvftvkihqigwymrghnfftlhekmddlysefgeqmdev aerllaiggspfstlkeflenasveeapytkpktmdqlmedlvgtlellrdeykqgielt dkegddvtndmliafkasidkhiwmfkaflgkaple