Chains and heterogens:
PDB Chain Sequences:
>3v7iA (A:) mhhhhhhssgvdlgtenlyfqsnamaaylcapavihgehsvetreiveevrgrhphapwa pridgiaastgiesrgwmlpleaavapggggdlgaarealvrdgfteqdanraiaalkav pasqtvqertapaweavqaygeraargalqiagldvadvdclitsnsttpalpgldvala nrlplrgdtmllpatqwacvagtrslalaadlvaadpdrvvlvvisealsttyqpaddtl eslivrllfadtavaavvtgrprpesvlrldaawhhtlpgtrdlhrletradgthfvmdr rgpravqetvtamwewlrvryeddpsswhpdvllahpggtrvleymeqtmpdewpsglls ysrdsytsgnrggaavfdilrrahdagqktgsravlyaaapgltatalegewl
>3v7iA (A:) amaaylcapavihgehsvetreiveevrgrhphapwapridgiaastgiesrgwmlplea avapggggdlgaarealeqdanraiaalkavpasqtvqertapaweavqaygeraargal qiagldvadvdclitsnsttpalpgldvalanrlplrgdtmllpatqwacvagtrslala adlvaadpdrvvlvvisealsttyqpaddtleslivrllfadtavaavvtgrprpesvlr ldaawhhtlpgtrdlhrletradgthfvmdrrgpravqetvtamwewlrvryeddpsswh pdvllahpggtrvleymeqtmpdewpsgllsysrdsytsgnrggaavfdilrrahdagqk tgsravlyaaapgltatalegewl