>3vklA (A:) observed residues (from ATOM records)
lslnnlqniiynpvipfvgtipdqldpgtlivirghvpsdadrfqvdlqngssmkpradv
afhfnprfkragcivcntlinekwgreeitydtpfkreksfeivimvlkdkfqvavngkh
tllyghrigpekidtlgiygkvnihsigfsfsshmrlpfaarlntpmgpgrtvvvkgevn
anaksfnvdllagkskdialhlnprlnikafvrnsflqeswgeeernitsfpfspgmyfe
miiycdvrefkvavngvhsleykhrfkelssidtleingdihllevrsw