Chains and heterogens:
PDB Chain Sequences:
>1qx4A (A:) mhhhhmitlenpdikyplrlidkeilshdtrrfrfalpspqhilglpigqhiylstridg nlvirpytpvssdddkgfvdlvvkvyfkethpkfpaggkmpqylenmnigdtiefrgpng llvyqgkgkfairadkksnpvvrtvksvgmiaggtgitpmlqviravlkdpndhtvcyll fanqsekdillrpeleelrnehssrfklwytvdkapdawdysqgfvneemirdhlpppge etlilmcgpppmiqfaclpnlervghpkercftf
>1qx4A (A:) hmitlenpdikyplrlidkeilshdtrrfrfalpspqhilglpigqhiylstridgnlvi rpytpvssdddkgfvdlvvkvyfkeaggkmpqylenmnigdtiefrgpngllvyqgkgkf airadkksnpvvrtvksvgmiaggtgitpmlqviravlkdpndhtvcyllfanqsekdil lrpeleelrnehssrfklwytvdkapdawdysqgfvneemirdhlpppgeetlilmcgpp pmiqfaclpnlervghpkercftf
>1qx4B (B:) mhhhhmitlenpdikyplrlidkeilshdtrrfrfalpspqhilglpigqhiylstridg nlvirpytpvssdddkgfvdlvvkvyfkethpkfpaggkmpqylenmnigdtiefrgpng llvyqgkgkfairadkksnpvvrtvksvgmiaggtgitpmlqviravlkdpndhtvcyll fanqsekdillrpeleelrnehssrfklwytvdkapdawdysqgfvneemirdhlpppge etlilmcgpppmiqfaclpnlervghpkercftf
>1qx4B (B:) hmitlenpdikyplrlidkeilshdtrrfrfalpspqhilglpigqhiylstridgnlvi rpytpvssdddkgfvdlvvkvyfkeaggkmpqylenmnigdtiefrgpngllvyqgkgkf airadkksnpvvrtvksvgmiaggtgitpmlqviravlkdpndhtvcyllfanqsekdil lrpeleelrnehssrfklwytvdkapdawdysqgfvneemirdhlpppgeetlilmcgpp pmiqfaclpnlervghpkercftf