Chains and heterogens:
PDB Chain Sequences:
>1cfr_ (-) mdiisksgegnkytinsaiafvayashidinttefskvlsglrdfindeairlggkisdg sfnkcngdwyewligiraiefflesetnfivvkmpnatsfdvmsiyksclsefiydlrsk lslnnvnlitsnpdfsiidirgrreelksmlkdisfsnislstiseidnlyknfidyael ehiksflsvkttfrpdrrlqlahegslmkalythlqtrtwtinptgiryyaaatsignad viglktvathsitdvkslpqsavdeifkinsvldvdsclshilss
>1cfr_ (-) mdiisksgegnkytinsaiafvayashidinttefskvlsglrdfindeairlggkisdg sfnkcngdwyewligiraiefflesetnfivvkmpnatsfdvmsiyksclsefiydlrsk lslnnvnlitsnpdfsiidirgrreelksmlkdisfsnislstiseidnlyknfidyael ehiksflsvkttfrpdrrlqlahegslmkalythlqtrtwtinptgiryyaaatsignad viglktvathsitdvkslpqsavdeifkinsvldvdsclshil