>4whrF (F:) observed residues (from ATOM records)
paqdnsrfvirdrnwhpkaltpdyktsiarsprqalvsipqsisettgpnfshlgfgahd
hdlllnfnngglpigeriivagrvvdqygkpvpntlvemwqanaggryrhkndrylapld
pnfggvgrcltdsdgyysfrtikpgpypwrngpndwrpahihfgisgpsiatklitqlyf
egdplipmcpivksianpeavqqliakldmnnanpmdclayrfdivlrgqrkthfe