>2x6aA (A:) observed residues (from ATOM records)
prilnsdgssnitrlglddhyhdlltvswpvfitlitglylvtnalfalaylacgdvien
arpgsftdafffsvqtmatigygklipigplantlvtlealcgmlglavaasliyarftr
ptagvlfssrmvisdfegkptlmmrlanlrieaiieadvhlvlvrsevfrrfhdltltrs
rspifslswtvmhpidhhspiygetdetlrnshseflvlftghheafaqnvharhayscd
eiiwgghfvdvfttlpdgrraldlgkfheiaqhh