title: Picture story. The helix from which the arch was made.
authors.forename: A L
authors.initials: AL
authors.lastname: Felsenfeld
mesh_terms: D000595:Amino Acid Sequence; D018360:Crystallography, X-Ray; D004259:DNA-Directed DNA Polymerase / Q000737:chemistry* / Q000378:metabolism; D017433:Protein Structure, Secondary
chemical_list: D004259:DNA-Directed DNA Polymerase