>4bo2B (B:) observed residues (from ATOM records)
slqgkvalvtgasrgigqaialelgrlgavvigtatsasgaekiaetlkangvegaglvl
dvssdesvaatlehiqqhlgqplivvnnagidewfdvvntnlnslyrlskavlrgmtkar
wgriinigsvvgamgnagqtnyaaakaglegftralarevgsraitvnavapgfidtdmt
relpeaqreallgqiplgrlgqaeeiakvvgflasdgaayvtgatvpvnggmyms