Chains and heterogens:
PDB Chain Sequences:
>1i7lA (A:) kakvllvvdephtdwakcfrgkkilgdydikveqaefselnlvahadgtyavdmqvlrng tkvvrsfrpdfvlirqhafgmaenedfrhlvigmqyaglpsinslesiynfcdkpwvfaq mvaifktlggekfplieqtyypnhremltlptfpvvvkighahsgmgkvkvenhydfqdi asvvaltqtyataepfidakydirvqkignnykaymrtsisgnwktntgsamleqiamsd ryklwvdacsemfggldicavkavhgkdgkdyifevmdcsmpligehqvedrqlitdlvi skmnqllsr
>1i7lB (B:) kakvllvvdephtdwakcfrgkkilgdydikveqaefselnlvahadgtyavdmqvlrng tkvvrsfrpdfvlirqhafgmaenedfrhlvigmqyaglpsinslesiynfcdkpwvfaq mvaifktlggekfplieqtyypnhremltlptfpvvvkighahsgmgkvkvenhydfqdi asvvaltqtyataepfidakydirvqkignnykaymrtsisgnwktntgsamleqiamsd ryklwvdacsemfggldicavkavhgkdgkdyifevmdcsmpligehqvedrqlitdlvi skmnqllsr