Chains and heterogens:
PDB Chain Sequences:
>4c74A (A:) magqttvdsrrqppeevdvlvvgagfsglyalyrlrelgrsvhvietagdvggvwywnry pgarcdiesieycysfseevlqewnwteryasqpeilryinfvadkfdlrsgitfhttvt aaafdeatntwtvdtnhgdrirarylimasgqlsvpqlpnfpglkdfagnlyhtgnwphe pvdfsgqrvgvigtgssgiqvspqiakqaaelfvfqrtphfavparnapldpefladlkk ryaefreesrntpggthryqgpksalevsdeelvetlerywqeggpdilaayrdilrdrd anervaefirnkirntvrdpevaerlvpkgypfgtkrlileidyyemfnrdnvhlvdtls apietitprgvrtsereyeldslvlatgfdaltgalfkidirgvgnvalkekwaagprty lglstagfpnlffiagpgspsalsnmlvsieqhvewvtdhiaymfkngltrseavleked ewvehvneiadetlypmtaswytganvpgkprvfmlyvggfhryrqicdevaakgyegfv lt
>4c74A (A:) qppeevdvlvvgagfsglyalyrlrelgrsvhvietagdvggvwywnrypgarcdiesie ycysfseevlqewnwteryasqpeilryinfvadkfdlrsgitfhttvtaaafdeatntw tvdtnhgdrirarylimasgqlsvpqlpnfpglkdfagnlyhtgnwphepvdfsgqrvgv igtgssgiqvspqiakqaaelfvfqrtphfavparnapldpefladlkkryaefreesrn tpggthryqgpksalevsdeelvetlerywqeggpdilaayrdilrdrdanervaefirn kirntvrdpevaerlvpkgypfgtkrlileidyyemfnrdnvhlvdtlsapietitprgv rtsereyeldslvlatgfdaltgalfkidirgvgnvalkekwaagprtylglstagfpnl ffiagpgspsalsnmlvsieqhvewvtdhiaymfkngltrseavlekedewvehvneiad etlypmtaswytganvpgkprvfmlyvggfhryrqicdevaakgyegfvlt