>2fp4B (B:) observed residues (from ATOM records)
mnlqeyqskklmsdngvkvqrffvadtanealeaakrlnakeivlkaqilaggrgkgvfs
sglkggvhltkdpevvgqlakqmigynlatkqtpkegvkvnkvmvaealdisretylail
mdrscngpvlvgspqggvdieevaasnpelifkeqidiiegikdsqaqrmaenlgflgpl
qnqaadqikklynlflkidatqvevnpfgetpegqvvcfdakinfddnaefrqkdifamd
dksenepieneaakydlkyigldgniacfvngaglamatcdiiflnggkpanfldlgggv
kesqvyqafklltadpkveailvnifggivncaiiangitkacrelelkvplvvrlegtn
vheaqniltnsglpitsavdledaakkavasvt