Chains and heterogens:
PDB Chain Sequences:
>1xd2A (A:) mteyklvvvgaggvgksaltiqliqnhfvdeydptiedsyrkqvvidgetclldildtag qeeasamrdqymrtgegflcvfainntksfedihqyreqikrvkdsddvpmvlvgnkcdl aartvesrqaqdlarsygipyietsaktrqgvedafytlvreirqh
>1xd2B (B:) mteyklvvvgaggvgksaltiqliqnhfvdeydptiedsyrkqvvidgetclldildtag qeeysamrdqymrtgegflcvfainntksfedihqyreqikrvkdsddvpmvlvgnkcdl aartvesrqaqdlarsygipyietsaktrqgvedafytlvreirqh
>1xd2C (C:) qmrlpsadvyrfaepdseeniifeenmqpkagipiikagtviklierltyhmyadpnfvr tflttyrsfckpqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpv qlrvlnvcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiard ngpghnitfqsspptvewhisrpghietfdlltlhpieiarqltllesdlyravqpselv gsvwtkedkeinspnllkmirhttnltlwfekcivetenleervavvsriieilqvfqel nnfngvlevvsamnsspvyrldhtfeqipsrqkkileeahelsedhykkylaklrsinpp cvpffgiyltnilkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrves dikrffenlnpmgnsmekeftdylfnksleieprnpkplprfpkkysyplkspgvrpsnp rpgt
>1xd2C (C:) qmrlpsadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtfltty rsfckpqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvln vcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiahnitfqss pptvewhisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkein spnllkmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsa mnsspvyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltni lkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpm gnsmekeftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr