Chains and heterogens:
PDB Chain Sequences:
>2ps7A (A:) menfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdp krlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqag reqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqf lrrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdq islvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgfvtwhl cdrryrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanvrskdvk evqkpflssielve
>2ps7A (A:) menfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdp krlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqag reqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqf lrrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdq islvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgfvtwhl cdrryrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanv
>2ps7B (B:) menfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdp krlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqag reqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqf lrrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdq islvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgfvtwhl cdrryrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanvrskdvk evqkpflssielve
>2ps7B (B:) pteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdpkrlq aslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqagreqa hpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqflrrm nglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdqislv knyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgfvtwhlcdrr yrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanv