Chains and heterogens:
PDB Chain Sequences:
>1fo0A (A:) kvtqtqtsisvmekttvtmdcvyetqdssyflfwykqtasgeivflirqdsykkenatvg hyslnfqkpkssigliitatqiedsavyfcamrgdyggsgnklifgtgtllsvkp
>1fo0B (B:) vtlleqnprwrlvprgqavnlrcilknsqypwmswyqqdlqkqlqwlftlrspgdkevks lpgadylatrvtdtelrlqvanmsqgrtlyctcsadrvgntlyfgegsrliv
>1fo0H (H:) mgphslryfvtavsrpglgeprymevgyvddtefvrfdsdaenpryeprarwmeqegpey weretqkakgneqsfrvdlrtllgyynqskggshtiqvisgcevgsdgrllrgyqqyayd gcdyialnedlktwtaadmaalitkhkweqageaerlraylegtcvewlrrylkngnatl lrtdspkahvthhsrpedkvtlrcwalgfypaditltwqlngeeliqdmelvetrpagdg tfqkwasvvvplgkeqyytchvyhqglpepltlrwe
>1fo0L (L:) iqktpqiqvysrhppengkpnilncyvtqfhpphieiqmlkngkkipkvemsdmsfskdw sfyilahteftptetdtyacrvkhdsmaepktvywdrdm