Chains and heterogens:
PDB Chain Sequences:
>1p31A (A:) mkhsheeirkiipemrrvqqihfigiggagmsgiaeillnegyqisgsdiadgvvtqrla qagakiyighaeehiegasvvvvssaikddnpelvtskqkripviqraqmlaeimrfrhg iavagthgkttttamismiytqakldptfvngglvksagknahlgasryliaeadesdas flhlqpmvsvvtnmepdhmdtyegdfekmkatyvkflhnlpfyglavmcaddpvlmelvp kvgrqvitygfseqadyriedyeqtgfqghytvicpnnerinvllnvpgkhnalnataal avakeegianeailealadfqgagrrfdqlgefirpngkvrlvddyghhptevgvtikaa regwgdkrivmifqphrysrtrdlfddfvqvlsqvdalimldvyaageapivgadskslc rsirnlgkvdpilvsdtsqlgdvldqiiqdgdlilaqgagsvskisrglaeswkn
>1p31A (A:) ipemrrvqqihfigiggagmsgiaeillnegyqisgsdiadgvvtqrlaqagakiyigha eehiegasvvvvssaikddnpelvtskqkripviqraqmlaeimrfrhgiavagthgktt ttamismiytqakldptfvngglvksagknahlgasryliaeadesdasflhlqpmvsvv tnmepdhmdtyegdfekmkatyvkflhnlpfyglavmcaddpvlmelvpkvgrqvitygf seqadyriedyeqtgfqghytvicpnnerinvllnvpgkhnalnataalavakeegiane ailealadfqgagrrfdqlgefirpngkvrlvddyghhptevgvtikaaregwgdkrivm ifqphrysrtrdlfddfvqvlsqvdalimldvyaageapivgadskslcrsirnlgkvdp ilvsdtsqlgdvldqiiqdgdlilaqgagsvskisrglaeswk
>1p31B (B:) mkhsheeirkiipemrrvqqihfigiggagmsgiaeillnegyqisgsdiadgvvtqrla qagakiyighaeehiegasvvvvssaikddnpelvtskqkripviqraqmlaeimrfrhg iavagthgkttttamismiytqakldptfvngglvksagknahlgasryliaeadesdas flhlqpmvsvvtnmepdhmdtyegdfekmkatyvkflhnlpfyglavmcaddpvlmelvp kvgrqvitygfseqadyriedyeqtgfqghytvicpnnerinvllnvpgkhnalnataal avakeegianeailealadfqgagrrfdqlgefirpngkvrlvddyghhptevgvtikaa regwgdkrivmifqphrysrtrdlfddfvqvlsqvdalimldvyaageapivgadskslc rsirnlgkvdpilvsdtsqlgdvldqiiqdgdlilaqgagsvskisrglaeswkn
>1p31B (B:) rkiipemrrvqqihfigiggagmsgiaeillnegyqisgsdiadgvvtqrlaqagakiyi ghaeehiegasvvvvssaikddnpelvtskqkripviqraqmlaeimrfrhgiavagthg kttttamismiytqakldptfvngglvksagknahlgasryliaeadesdasflhlqpmv svvtnmepdhmdtyegdfekmkatyvkflhnlpfyglavmcaddpvlmelvpkvgrqvit ygfseqadyriedyeqtgfqghytvicpnnerinvllnvpgkhnalnataalavakeegi aneailealadfqgagrrfdqlgefirpngkvrlvddyghhptevgvtikaaregwgdkr ivmifqphrysrtrdlfddfvqvlsqvdalimldvyaageapivgadskslcrsirnlgk vdpilvsdtsqlgdvldqiiqdgdlilaqgagsvskisrglaesw