>2po1A (A:) observed residues (from ATOM records)
klidengrridgrkkyelrpikmevgvlknangsayiewgknkiiaavygprelhpkhlq
rpdrailrvrynmapfsveerkkpgpdrrsieiskvikgalepalilemfprtaidvfie
vlqadagtrvagitaaslaladagipmrdlvaacaagkiegeivldlnkeednygeadvp
vaimplknditllqmdgyltkdefieavklaikgakavyqkqrealkekylkiaqe