Chains and heterogens:
PDB Chain Sequences:
>3najA (A:) mmlslnnlqniiynpvipfvgtipdqldpgtlivirghvpsdadrfqvdlqngssmkpra dvafhfnprfkragcivcntlinekwgreeitydtpfkreksfeivimvlkdkfqvavng khtllyghrigpekidtlgiygkvnihsigfsfsshmrlpfaarlntpmgpgrtvvvkge vnanaksfnvdllagkskdialhlnprlnikafvrnsflqeswgeeernitsfpfspgmy femiiycdvrefkvavngvhsleykhrfkelssidtleingdihllevrsw