>3ffkA (A:) observed residues (from ATOM records)
ehpeflkagkepglqiwrvekfdlvpvptnlygdfftgdayvilktvqlrngnlqydlhy
wlgnecsqdesgaaaiftvqlddylngravqhrevqgfesatflgyfksglkykkggvas
gfkhvvpnevvvqrlfqvkgrrvvratevpvswesfnngdcfildlgnnihqwcgsnsnr
yerlkatqvskgirdnersgrarvhvseegtepeamlqvlgpkpalpagtedtakedaan
rklaklykvsngagtmsvslvadenpfaqgalksedcfildhgkdgkifvwkgkqantee
rkaalktasdfitkmdypkqtqvsvlpeggetplfkqffknwrdpdq