>2iy4B (B:) SEQRES residues mktinsvdtkeflnhqvanlnvftvkihqihwymrghnfftlhekmddlysefgeqmdev aerllaiggspfstlkeflenasveeapytkpktmdqlmedlvgtlellrdeyqqgielt dkegdnvtndmliafkasidkhiwmfkaflgkaple