Chains and heterogens:
PDB Chain Sequences:
>1q45A (A:) mtaaqgnsnetlfssykmgrfdlshrvvlapmtrcralngvpnaalaeyyaqrttpggfl isegtmvspgsagfphvpgiysdeqveawkqvveavhakggfifcqlwhvgrashavyqp nggspisstnkpisenrwrvllpdgshvkypkpraleaseiprvvedyclsalnairagf dgieihgahgylidqflkdgindrtdqyggsianrcrflkqvvegvvsaigaskvgvrvs paidhldatdsdplslglavvgmlnklqgvngsklaylhvtqpryhaygqtesgrqgsde eeaklmkslrmayngtfmssggfnkelgmqavqqgdadlvsygrlfianpdlvsrfkidg elnkynrktfytqdpvvgytdypflapfsrl
>1q45A (A:) snetlfssykmgrfdlshrvvlapmtrcralngvpnaalaeyyaqrttpggflisegtmv spgsagfphvpgiysdeqveawkqvveavhakggfifcqlwhvgrashavyqpnggspis stnkpisenrwrvllpdgshvkypkpraleaseiprvvedyclsalnairagfdgieihg ahgylidqflkdgindrtdqyggsianrcrflkqvvegvvsaigaskvgvrvspaidhld atdsdplslglavvgmlnklqgvngsklaylhvtqpreeeaklmkslrmayngtfmssgg fnkelgmqavqqgdadlvsygrlfianpdlvsrfkidgelnkynrktfytqdpvvgytdy pflap
>1q45B (B:) mtaaqgnsnetlfssykmgrfdlshrvvlapmtrcralngvpnaalaeyyaqrttpggfl isegtmvspgsagfphvpgiysdeqveawkqvveavhakggfifcqlwhvgrashavyqp nggspisstnkpisenrwrvllpdgshvkypkpraleaseiprvvedyclsalnairagf dgieihgahgylidqflkdgindrtdqyggsianrcrflkqvvegvvsaigaskvgvrvs paidhldatdsdplslglavvgmlnklqgvngsklaylhvtqpryhaygqtesgrqgsde eeaklmkslrmayngtfmssggfnkelgmqavqqgdadlvsygrlfianpdlvsrfkidg elnkynrktfytqdpvvgytdypflapfsrl
>1q45B (B:) netlfssykmgrfdlshrvvlapmtrcralngvpnaalaeyyaqrttpggflisegtmvs pgsagfphvpgiysdeqveawkqvveavhakggfifcqlwhvgrashavyqpnggspiss tnkpisenrwrvllpdgshvkypkpraleaseiprvvedyclsalnairagfdgieihga hgylidqflkdgindrtdqyggsianrcrflkqvvegvvsaigaskvgvrvspaidhlda tdsdplslglavvgmlnklqgvngsklaylhvtqpryhaydeeeaklmkslrmayngtfm ssggfnkelgmqavqqgdadlvsygrlfianpdlvsrfkidgelnkynrktfytqdpvvg ytdypfl