Chains and heterogens:
PDB Chain Sequences:
>6xxiA (A:) megslereapagalaavlkhsstlppestqvrgydfnrgvnyralleafgttgfqatnfg ravqqvnamiekkleplsqdedqhadltqsrrpltsctiflgytsnlissgiretirylv qhnmvdvlvttaggveedlikclaptylgefslrgkelrenginrignllvpnenyckfe dwlmpildqmvmeqntegvkwtpskmiarlgkeinnpesvyywaqknhipvfspaltdgs lgdmiffhsyknpglvldivedlrlintqaifakctgmiilgggvvkhhiananlmrnga dyavyintaqefdgsdsgarpdeavswgkirvdaqpvkvyadaslvfpllvaetfaqkmd afmhekned
>6xxiA (A:) stqvrgydfnrgvnyralleafgttgfqatnfgravqqvnamiekkleplhadltqsrrp ltsctiflgytsnlissgiretirylvqhnmvdvlvttaggveedlikclaptylgefsl rgkelrenginrignllvpnenyckfedwlmpildqmvmeqntegvkwtpskmiarlgke innpesvyywaqknhipvfspaltdgslgdmiffhsyknpglvldivedlrlintqaifa kctgmiilgggvvkhhiananlmrngadyavyintaqefdgsdsgarpdeavswgkirvd aqpvkvyadaslvfpllvaetfaqkmdafm
>6xxiB (B:) megslereapagalaavlkhsstlppestqvrgydfnrgvnyralleafgttgfqatnfg ravqqvnamiekkleplsqdedqhadltqsrrpltsctiflgytsnlissgiretirylv qhnmvdvlvttaggveedlikclaptylgefslrgkelrenginrignllvpnenyckfe dwlmpildqmvmeqntegvkwtpskmiarlgkeinnpesvyywaqknhipvfspaltdgs lgdmiffhsyknpglvldivedlrlintqaifakctgmiilgggvvkhhiananlmrnga dyavyintaqefdgsdsgarpdeavswgkirvdaqpvkvyadaslvfpllvaetfaqkmd afmhekned
>6xxiB (B:) stqvrgydfnrgvnyralleafgttgfqatnfgravqqvnamiekkleplsqdedqhadl tqsrrpltsctiflgytsnlissgiretirylvqhnmvdvlvttaggveedlikclapty lgefslrgkelrenginrignllvpnenyckfedwlmpildqmvmeqntegvkwtpskmi arlgkeinnpesvyywaqknhipvfspaltdgslgdmiffhsyknpglvldivedlrlin tqaifakctgmiilgggvvkhhiananlmrngadyavyintaqefdgsdsgarpdeavsw gkirvdaqpvkvyadaslvfpllvaetfaqkmdafmh