Chains and heterogens:
PDB Chain Sequences:
>1yyqA (A:) menfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdp krlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqag reqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqf lrrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdq islvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgyvtwhl cdrrfrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanvrskdvk evqkpflssielve
>1yyqA (A:) enfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdpk rlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqagr eqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqfl rrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdqi slvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgyvtwhlc drrfrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanv
>1yyqB (B:) menfpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdp krlqaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqag reqahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqf lrrmnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdq islvknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgyvtwhl cdrrfrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanvrskdvk evqkpflssielve
>1yyqB (B:) fpteyflnttvrlleyiryrdsnytreerienlhyaynkaahhfaqprqqqllkvdpkrl qaslqtivgmvvyswakvskecmadlsihytytlvlddskddpyptmvnyfddlqagreq ahpwwalvnehfpnvlrhfgpfcslnlirstldffegcwieqynfggfpgshdypqflrr mnglghcvgaslwpkeqfnerslfleitsaiaqmenwmvwvndlmsfykefdderdqisl vknyvvsdeislhealekltqdtlhsskqmvavfsdkdpqvmdtiecfmhgyvtwhlcdr rfrlseiyekvkeektedaqkfckfyeqaanvgavspsewayppvaqlanv