title: Searchlight on domains.
abstract: In this issue of Structure, examine in detail the functions of selected domains within proteins both when they are alone and when in combination with others. Domain function is relevant to molecular evolution and to annotation of proteins known only by sequence.
authors.affiliation: Bay Paul Center, Marine Biological Laboratory, Woods Hole, MA 02543, USA. mriley@mbl.edu
authors.forename: Monica
authors.initials: M
authors.lastname: Riley
mesh_terms: D004798:Enzymes / Q000737:chemistry / Q000235:genetics; D019143:Evolution, Molecular; D017434:Protein Structure, Tertiary
chemical_list: D004798:Enzymes