Chains and heterogens:
PDB Chain Sequences:
>3d7eO (O:) aeknyvmaidqgttssraiifdrngkkigssqkefpqyfpksgwvehnaneiwnsvqsvi agafiesgirpeaiagigitnqrettvvwdkttgqpianaivwqsrqsspiadqlkvdgh temihektglvidayfsatkvrwlldniegaqekadngellfgtidswlvwkltdgqvhv tdysnasrtmlynihklewdqeildllnipssmlpevksnsevyghtrsyafygsevpia gmagdqqaalfgqmafekgmikntygtgafivmntgeepqlsdndllttigygingkvyy alegsifvagsaiqwlrdglrmietspqseelaakakgdnevyvvpaftglgapywdsea rgavfgltrgttkedfvratlqavayqskdvidtmkkdsgidipllkvdggaakndllmq fqadildidvqraanlettalgaaylaglavgfwkdldelksmaeegqmftpempaeerd nlyegwkqavaatqtfkfkakkege
>3d7eO (O:) nyvmaidqgttssraiifdrngkkigssqkefpqyfpksgwvehnaneiwnsvqsviaga fiesgirpeaiagigitnqrettvvwdkttgqpianaivwqsrqsspiadqlkvdghtem ihektglvidayfsatkvrwlldniegaqekadngellfgtidswlvwkltdgqvhvtdy snasrtmlynihklewdqeildllnipssmlpevksnsevyghtrsyafygsevpiagma gdqqaalfgqmafekgmikntygtgafivmntgeepqlsdndllttigygingkvyyale gsifvagsaiqwlrdglrmietspqseelaakakgdnevyvvpaftglgapywdsearga vfgltrgttkedfvratlqavayqskdvidtmkkdsgidipllkvdggaakndllmqfqa dildidvqraanlettalgaaylaglavgfwkdldelksmaeegqmftpempaeerdnly egwkqavaatqtfkf
>3d7eX (X:) aeknyvmaidqgttssraiifdrngkkigssqkefpqyfpksgwvehnaneiwnsvqsvi agafiesgirpeaiagigitnqrettvvwdkttgqpianaivwqsrqsspiadqlkvdgh temihektglvidayfsatkvrwlldniegaqekadngellfgtidswlvwkltdgqvhv tdysnasrtmlynihklewdqeildllnipssmlpevksnsevyghtrsyafygsevpia gmagdqqaalfgqmafekgmikntygtgafivmntgeepqlsdndllttigygingkvyy alegsifvagsaiqwlrdglrmietspqseelaakakgdnevyvvpaftglgapywdsea rgavfgltrgttkedfvratlqavayqskdvidtmkkdsgidipllkvdggaakndllmq fqadildidvqraanlettalgaaylaglavgfwkdldelksmaeegqmftpempaeerd nlyegwkqavaatqtfkfkakkege
>3d7eX (X:) nyvmaidqgttssraiifdrngkkigssqkefpqyfpksgwvehnaneiwnsvqsviaga fiesgirpeaiagigitnqrettvvwdkttgqpianaivwqsrqsspiadqlkvdghtem ihektglvidayfsatkvrwlldniegaqekadngellfgtidswlvwkltdgqvhvtdy snasrtmlynihklewdqeildllnipssmlpevksnsevyghtrsyafygsevpiagma gdqqaalfgqmafekgmikntygtgafivmntgeepqlsdndllttigygingkvyyale gsifvagsaiqwlrdglrmietspqseelaakakgdnevyvvpaftglgapywdsearga vfgltrgttkedfvratlqavayqskdvidtmkkdsgidipllkvdggaakndllmqfqa dildidvqraanlettalgaaylaglavgfwkdldelksmaeegqmftpempaeerdnly egwkqavaatqtfkf