>1vf2A (A:) observed residues (from ATOM records)
kpvlyyfngrgkmesirwllaaagvefeevfletreqyekllqsgilmfqqvpmveidgm
klvqtrailnyiagkynlygkdlkeralidmyvggtddlmgfllsfpflsaedkvkqcaf
vvekatsryfpayekvlkdhgqdflvgnrlswadihlleailmveekksdalsgfpllqa
fkkrissiptikkflapgskrkpisddkyvetvrrvlrmyydvkp