Chains and heterogens:
PDB Chain Sequences:
>3fygA (A:) pmilgxwnvrglthpirlllextdssxeekrxamgdapdxdrsqwlnekfklgldfpnlp xlidgsrkitqsnaimrxlarkhhlcgeteeeriradivenqvmdnrmqlimlcynpdfe kqkpeflktipekmklxseflgkrpwfagdkvtxvdflaxdildqxhifepkcldafpnl kdflarfeglkkisaxmkssrxlstpifsklaqwsnk
>3fygA (A:) pmilgwnvrglthpirllletdsseekramgdapddrsqwlnekfklgldfpnlplidgs rkitqsnaimrlarkhhlcgeteeeriradivenqvmdnrmqlimlcynpdfekqkpefl ktipekmklseflgkrpwfagdkvtvdfladildqhifepkcldafpnlkdflarfeglk kisamkssrlstpifsklaqwsnk
>3fygB (B:) pmilgxwnvrglthpirlllextdssxeekrxamgdapdxdrsqwlnekfklgldfpnlp xlidgsrkitqsnaimrxlarkhhlcgeteeeriradivenqvmdnrmqlimlcynpdfe kqkpeflktipekmklxseflgkrpwfagdkvtxvdflaxdildqxhifepkcldafpnl kdflarfeglkkisaxmkssrxlstpifsklaqwsnk
>3fygB (B:) pmilgwnvrglthpirllletdsseekramgdapddrsqwlnekfklgldfpnlplidgs rkitqsnaimrlarkhhlcgeteeeriradivenqvmdnrmqlimlcynpdfekqkpefl ktipekmklseflgkrpwfagdkvtvdfladildqhifepkcldafpnlkdflarfeglk kisamkssrlstpifsklaqwsnk