Nucleic acid report Structure report Nucleic acid structure report d-loop (report) beta13 The report may be based on analysis of nucleic acid sequence or structural data, or any annotation or information about specific nucleic acid 3D structure(s) or such structures in general. Stem loop (report) A human-readable collection of information about regions within a nucleic acid sequence which form secondary or tertiary (3D) structures. Quadruplexes (report) Nucleic acid features (structure)