Chains and heterogens:
PDB Chain Sequences:
>1nvvQ (Q:) mteyklvvvgaggvgksaltiqliqnhfvdeydptiedsyrkqvvidgetclldildtag qeeasamrdqymrtgegflcvfainntksfedihqyreqikrvkdsddvpmvlvgnkcdl aartvesrqaqdlarsygipyietsaktrqgvedafytlvreirqh
>1nvvR (R:) mteyklvvvgaggvgksaltiqliqnhfvdeydptiedsyrkqvvidgetclldildtag qeeysamrdqymrtgegflcvfainntksfedihqyreqikrvkdsddvpmvlvgnkcdl aartvesrqaqdlarsygipyietsaktrqgvedafytlvreirqh
>1nvvS (S:) qmrlpsadvyrfaepdseeniifeenmqpkagipiikagtviklierltyhmyadpnfvr tflttyrsfckpqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpv qlrvlnvcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiard ngpghnitfqsspptvewhisrpghietfdlltlhpieiarqltllesdlyravqpselv gsvwtkedkeinspnllkmirhttnltlwfekcivetenleervavvsriieilqvfqel nnfngvlevvsamnsspvyrldhtfeqipsrqkkileeahelsedhykkylaklrsinpp cvpffgiyltnilkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrves dikrffenlnpmgnsmekeftdylfnksleieprnpkplprfpkkysyplkspgvrpsnp r
>1nvvS (S:) qmrlpsadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtfltty rsfckpqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvln vcrhwvehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiahnitfqss pptvewhisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkein spnllkmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsa mnsspvyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltni lkteegnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpm gnsmekeftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr