Chains and heterogens:
PDB Chain Sequences:
>1xd4A (A:) eqtyydlvkafmaeirqyirelnliikvfrepfvsnsklfsandvenifsrivdihelsv kllghiedtvemtdegsphplvgscfedlaeelafdpyesyardilrpgfhdrflsqlsk pgaalylqsigegfkeavqyvlprlllapvyhclhyfellkqleeksedqedkeclkqai tallnvqsgmekicskslakrrlsesacrfysqqmkgkqlaikkmneiqknidgwegkdi gqccnefimegtltrvgakherhiflfdglmiccksnhgqprlpgasnaeyrlkekffmr kvqindkddtneykhafeiilkdensvifsaksaeeknnwmaalislqyrstlermldvt mlqeekeeqmrlpsadvyrfaepdseeniifeenmqpkagipiikagtviklierltyhm yadpnfvrtflttyrsfckpqellsliierfeipepepteadriaiengdqplsaelkrf rkeyiqpvqlrvlnvcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkii qrkkiardngpghnitfqsspptvewhisrpghietfdlltlhpieiarqltllesdlyr avqpselvgsvwtkedkeinspnllkmirhttnltlwfekcivetenleervavvsriie ilqvfqelnnfngvlevvsamnsspvyrldhtfeqipsrqkkileeahelsedhykkyla klrsinppcvpffgiyltnilkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnq pyclrvesdikrffenlnpmgnsmekeftdylfnksleieprnpkplprfpkkysyplks pgvrpsnprpgt
>1xd4A (A:) eqtyydlvkafmaeirqyirelnliikvfrepfvsnsklfsandvenifsrivdihelsv kllghiedtvemtdegsphplvgscfedlaeelafdpyesyardilrpgfhdrflsqlsk pgaalylqsigegfkeavqyvlprlllapvyhclhyfellkqleeksedqedkeclkqai tallnvqsgmekicskslakrrlsesaaikkmneiqknidgwegkdigqccnefimegtl trvgakherhiflfdglmiccksnhgqprlpgasnaeyrlkekffmrkvqindkddtney khafeiilkdensvifsaksaeeknnwmaalislqyrstlermldvtmlqeekeeqmrlp sadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtflttyrsfck pqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvlnvcrhw vehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiahnitfqsspptve whisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkeinspnll kmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsamnssp vyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltnilktee gnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpmgnsme keftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr
>1xd4B (B:) eqtyydlvkafmaeirqyirelnliikvfrepfvsnsklfsandvenifsrivdihelsv kllghiedtvemtdegsphplvgscfedlaeelafdpyesyardilrpgfhdrflsqlsk pgaalylqsigegfkeavqyvlprlllapvyhclhyfellkqleeksedqedkeclkqai tallnvqsgmekicskslakrrlsesacrfysqqmkgkqlaikkmneiqknidgwegkdi gqccnefimegtltrvgakherhiflfdglmiccksnhgqprlpgasnaeyrlkekffmr kvqindkddtneykhafeiilkdensvifsaksaeeknnwmaalislqyrstlermldvt mlqeekeeqmrlpsadvyrfaepdseeniifeenmqpkagipiikagtviklierltyhm yadpnfvrtflttyrsfckpqellsliierfeipepepteadriaiengdqplsaelkrf rkeyiqpvqlrvlnvcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkii qrkkiardngpghnitfqsspptvewhisrpghietfdlltlhpieiarqltllesdlyr avqpselvgsvwtkedkeinspnllkmirhttnltlwfekcivetenleervavvsriie ilqvfqelnnfngvlevvsamnsspvyrldhtfeqipsrqkkileeahelsedhykkyla klrsinppcvpffgiyltnilkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnq pyclrvesdikrffenlnpmgnsmekeftdylfnksleieprnpkplprfpkkysyplks pgvrpsnprpgt
>1xd4B (B:) eqtyydlvkafmaeirqyirelnliikvfrepfvsnsklfsandvenifsrivdihelsv kllghiedtvemtdegsphplvgscfedlaeelafdpyesyardilrpgfhdrflsqlsk pgaalylqsigegfkeavqyvlprlllapvyhclhyfellkqleeksedqedkeclkqai tallnvqsgmekicskslakrrlsesaaikkmneiqknidgwegkdigqccnefimegtl trvgakherhiflfdglmiccksnhgqprlpgasnaeyrlkekffmrkvqindkddtney khafeiilkdensvifsaksaeeknnwmaalislqyrstlermldvtmlqeekeeqmrlp sadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtflttyrsfck pqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvlnvcrhw vehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiahnitfqsspptve whisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkeinspnll kmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsamnssp vyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltnilktee gnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpmgnsme keftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr