>3praA (A:) observed residues (from ATOM records)
mvekgkmvkisydgyvdgklfdttneelakkegiynpamiygpvaifagegqvlpgldea
ilemdvgeerevvlppekafgkrdpskikliplseftkrgikpikgltitidgipgkivs
insgrvlvdfnhelagkevkyrikieevvd