Chains and heterogens:
PDB Chain Sequences:
>1fw0A (A:) ktvvvttilespyvmmkknhemlegneryegycvdlaaeiakhcgfkykltivgdgkyga rdadtkiwngmvgelvygkadiaiapltitlvreevidfskpfmslgisimikkgtpies aedlskqteiaygtldsgstkeffrrskiavfdkmwtymrsaepsvfvrttaegvarvrk skgkyayllestmneyieqrkpcdtmkvggnldskgygiatpkgsslgnavnlavlklne qglldklknkwwydkgec