Chains and heterogens:
PDB Chain Sequences:
>1ftxA (A:) ndfhrdtwaevdldaiydnvenlrrllpddthimavvkanayghgdvqvartaleagasr lavafldealalrekgieapilvlgasrpadaalaaqqrialtvfrsdwleeasalysgp fpihfhlkmdtgmgrlgvkdeeetkrivalierhphfvleglythfatadevntdyfsyq ytrflhmlewlpsrpplvhcansaaslrfpdrtfnmvrfgiamyglapspgikpllpypl keafslhsrlvhvkklqpgekvsygatytaqteewigtipigyadgwlrrlqhfhvlvdg qkapivgricmdqcmirlpgplpvgtkvtligrqgdevisiddvarhletinyevpctis yrvpriffrhkrimevrnaigrgessa
>1ftxA (A:) ndfhrdtwaevdldaiydnvenlrrllpddthimavvkanayghgdvqvartaleagasr lavafldealalrekgieapilvlgasrpadaalaaqqrialtvfrsdwleeasalysgp fpihfhlkmdtgmgrlgvkdeeetkrivalierhphfvleglythfatadevntdyfsyq ytrflhmlewlpsrpplvhcansaaslrfpdrtfnmvrfgiamyglapspgikpllpypl keafslhsrlvhvkklqpgekvsygatytaqteewigtipigyadgwlrrlqhfhvlvdg qkapivgricmdqcmirlpgplpvgtkvtligrqgdevisiddvarhletinyevpctis yrvpriffrhkrimevrnai
>1ftxB (B:) ndfhrdtwaevdldaiydnvenlrrllpddthimavvkanayghgdvqvartaleagasr lavafldealalrekgieapilvlgasrpadaalaaqqrialtvfrsdwleeasalysgp fpihfhlkmdtgmgrlgvkdeeetkrivalierhphfvleglythfatadevntdyfsyq ytrflhmlewlpsrpplvhcansaaslrfpdrtfnmvrfgiamyglapspgikpllpypl keafslhsrlvhvkklqpgekvsygatytaqteewigtipigyadgwlrrlqhfhvlvdg qkapivgricmdqcmirlpgplpvgtkvtligrqgdevisiddvarhletinyevpctis yrvpriffrhkrimevrnaigrgessa
>1ftxB (B:) ndfhrdtwaevdldaiydnvenlrrllpddthimavvkanayghgdvqvartaleagasr lavafldealalrekgieapilvlgasrpadaalaaqqrialtvfrsdwleeasalysgp fpihfhlkmdtgmgrlgvkdeeetkrivalierhphfvleglythfatadevntdyfsyq ytrflhmlewlpsrpplvhcansaaslrfpdrtfnmvrfgiamyglapspgikpllpypl keafslhsrlvhvkklqpgekvsygatytaqteewigtipigyadgwlrrlqhfhvlvdg qkapivgricmdqcmirlpgplpvgtkvtligrqgdevisiddvarhletinyevpctis yrvpriffrhkrimevrnai