Chains and heterogens:
PDB Chain Sequences:
>1spiA (A:) aavgeaatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqr agisnltgiqgavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesys gnyivvfdpldgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcq pgdnllaagycmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfneg nykmwpdklkkymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngk lrllyecapmsfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiA (A:) aatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldv vsnevfssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsi fgiyspndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigk gvyaftldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkp yssryigslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdgh qrildiqpteihqrvplyigsveeveklekyla
>1spiB (B:) aavgeaatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqr agisnltgiqgavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesys gnyivvfdpldgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcq pgdnllaagycmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfneg nykmwpdklkkymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngk lrllyecapmsfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiB (B:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla
>1spiC (C:) aavgeaatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqr agisnltgiqgavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesys gnyivvfdpldgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcq pgdnllaagycmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfneg nykmwpdklkkymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngk lrllyecapmsfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiC (C:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla
>1spiD (D:) aavgeaatqtkartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqr agisnltgiqgavniqgedqkkldvvsnevfssclrssgrtgiiaseeedvpvaveesys gnyivvfdpldgssnidaavstgsifgiyspndecivdsdhddesqlsaeeqrcvvnvcq pgdnllaagycmysssvifvltigkgvyaftldpmygefvltsekiqipkagkiysfneg nykmwpdklkkymddlkepgesqkpyssryigslvgdfhrtllyggiygyprdakskngk lrllyecapmsfiveqaggkgsdghqrildiqpteihqrvplyigsveeveklekyla
>1spiD (D:) kartrskyeietltgwllkqpmagvidaeltivlssislackqiaslvqrakldvvsnev fssclrssgrtgiiaseeedvpvaveesysgnyivvfdpldgssnidaavstgsifgiys pndecivdsdhddesqlsaeeqrcvvnvcqpgdnllaagycmysssvifvltigkgvyaf tldpmygefvltsekiqipkagkiysfnegnykmwpdklkkymddlkepgesqkpyssry igslvgdfhrtllyggiygyprdakskngklrllyecapmsfiveqaggkgsdghqrild iqpteihqrvplyigsveeveklekyla