>5t7tA (A:) observed residues (from ATOM records)
lqniiynpvipfvgtipdqldpgtlivirghvpsdadrfqvdlqngssvkpradvafhfn
prfkragcivcntlinekwgreeitydtpfkreksfeivimvlkdkfqvavngkhtllyg
hrigpekidtlgiygkvnihsigfsfs