Chains and heterogens:
PDB Chain Sequences:
>1igwA (A:) mktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhge skkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpav verinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieaga aavhfedqlasvkkcghmggkvlvptqeaiqklvaarlcadvtgvptllvartdadaadl itsdcdpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarr faqaihakypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwf nmfdlanayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqggts svtaltgsteesqf
>1igwA (A:) ktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhges kkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpavv erinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieagaa avhfedqlasvkkcgkvlvptqeaiqklvaarlcadvtgvptllvartdadaadlitsdc dpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarrfaqai hakypgkllayncsfqqqlsdmgykfqfitlagihsmwfnmfdlanayaqgegmkhyvek vqqpefaaakdgytfvshqqevgtgyfdkvttiiqg
>1igwB (B:) mktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhge skkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpav verinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieaga aavhfedqlasvkkcghmggkvlvptqeaiqklvaarlcadvtgvptllvartdadaadl itsdcdpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarr faqaihakypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwf nmfdlanayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqggts svtaltgsteesqf
>1igwB (B:) ktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhges kkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpavv erinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieagaa avhfedqlasvkkgkvlvptqeaiqklvaarlcadvtgvptllvartdadaadlitsdcd pydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarrfaqaih akypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwfnmfdla nayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqg
>1igwC (C:) mktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhge skkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpav verinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieaga aavhfedqlasvkkcghmggkvlvptqeaiqklvaarlcadvtgvptllvartdadaadl itsdcdpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarr faqaihakypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwf nmfdlanayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqggts svtaltgsteesqf
>1igwC (C:) ktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhges kkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpavv erinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieagaa avhfedqlasvkkcghmggkvlvptqeaiqklvaarlcadvtgvptllvartdadaadli tsdcdpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarrf aqaihakypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwfn mfdlanayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqg
>1igwD (D:) mktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhge skkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpav verinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieaga aavhfedqlasvkkcghmggkvlvptqeaiqklvaarlcadvtgvptllvartdadaadl itsdcdpydsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarr faqaihakypgkllayncspsfnwqknlddktiasfqqqlsdmgykfqfitlagihsmwf nmfdlanayaqgegmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqggts svtaltgsteesqf
>1igwD (D:) ktrtqqieelqkewtqprwegitrpysaedvvklrgsvnpectlaqlgaakmwrllhges kkgyinslgaltggqalqqakagieavylsgwqvaadanlaasmypdqslypansvpavv erinntfrradqiqwsagiepgdpryvdyflpivadaeagfggvlnafelmkamieagaa avhfedqlasvgkvlvptqeaiqklvaarlcadvtgvptllvartdadaadlitsdcdpy dsefitgertsegffrthagieqaisrglayapyadlvwcetstpdlelarrfaqaihak ypgkllayncspsfnwddktiasfqqqlsdmgykfqfitlagihsmwfnmfdlanayaqg egmkhyvekvqqpefaaakdgytfvshqqevgtgyfdkvttiiqg