Chains and heterogens:
PDB Chain Sequences:
>1spiA (A:) aatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqragisn ltgiqgavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesysgnyiv vfdpldgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnl laagycmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfnegnykmw pdklkkymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngklrlly ecapmsfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiA (A:) aatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldv vsnevfssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsi fgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigk gvyaftldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkp yssryigslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdgh qrildiqpteihqrvplyigsveeveklekyla
>1spiB (B:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqragisnltgiq gavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesysgnyivvfdpl dgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagy cmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfnegnykmwpdklk kymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngklrllyecapm sfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiB (B:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla
>1spiC (C:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqragisnltgiq gavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesysgnyivvfdpl dgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagy cmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfnegnykmwpdklk kymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngklrllyecapm sfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiC (C:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla
>1spiD (D:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqragisnltgiq gavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesysgnyivvfdpl dgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagy cmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfnegnykmwpdklk kymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngklrllyecapm sfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiD (D:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla