>3ap4A (A:) observed residues (from ATOM records)
lqniiynpvipfvgtipdqldpgtlivirghvpsdadrfqvdlqngssvkpradvafhfn
prfkragcivcntlinekwgreeitydtpfkreksfeivimvlkdkfqvavngkhtllyg
hrigpekidtlgiygkvnihsigfsf