Chains and heterogens:
PDB Chain Sequences:
>1f0yA (A:) kiivkhvtviggglmgagiaqvaaatghtvvlvdqtedilakskkgieeslrkvakkkfa enpkagdefvektlstiatstdaasvvhstdlvveaivenlkvknelfkrldkfaaehti fasntsslqitsianattrqdrfaglhffnpvpvmklveviktpmtsqktfeslvdfska lgkhpvsckdtpgfivnrllvpylmeairlyergdaskedidtamklgagypmgpfelld yvgldttkfivdgwhemdaenplhqpspslnklvaenkfgkktgegfykyk
>1f0yB (B:) kiivkhvtviggglmgagiaqvaaatghtvvlvdqtedilakskkgieeslrkvakkkfa enpkagdefvektlstiatstdaasvvhstdlvveaivenlkvknelfkrldkfaaehti fasntsslqitsianattrqdrfaglhffnpvpvmklveviktpmtsqktfeslvdfska lgkhpvsckdtpgfivnrllvpylmeairlyergdaskedidtamklgagypmgpfelld yvgldttkfivdgwhemdaenplhqpspslnklvaenkfgkktgegfykyk