>2x2aB (B:) observed residues (from ATOM records)
vnptvffdiavdgeplgrvsfelfadkvpktaenfralstgekgfgykgscfhriipgfm
cqggdftrhngtggksiygekfedenfilkhtgpgilsmanagpntngsqffictaktkw
ldgkhvvfgkvkegmniveamerfgsrngktskkitiadcgqle