>5tbtA (A:) observed residues (from ATOM records)
vvanyenasmaadyikrvsnvlpdigiicgsglgklieeieerkvipyinipnfpkttva
ghvgnlvlgsvggrkivamqgrlhmyegysnqeialpirvmkllgvrvllitnlagginr
klksgdfvlikghinfpglglnnvlvgpnqdefgprfpdlsnaydrllqqlalkiaqend
fqdlvhegvyafnggptyespdesnmllklgcdvvgmstvpeviiachcgikvlavslia
nnsildaendvsinhekvlavaekradllqmwfkeiitrlpld