Platt, J. R. 1955. Possible Separation of Intertwined Nucleic Acid Chains by Transfer-Twist. Proc. Nat. Acad. Sci. 41, 181-185.

Lerman, L.S. 1961. Structural Considerations in the Interaction of DNA and Acridines. J. Mol. Biol. 3, 18-30.

Printz, M.P. and von Hippel, P.H. 1965. Hydrogen Exchange Studies of DNA Structure. Proc. Nat. Acad. Sci. 53, 363-367.

Crothers, D.M. 1968. Calculation of Binding Isotherms for Heterogeneous Polymers. Biopolymers, 6, 575-583.

Mahler, H.R., Green, G., Goutarel, R. and Khuong-Huu, Q. 1968. Nucleic acid-small molecules interactions. VII. Further characterization of deoxyribonucleic acid-diamino steroid complexes. 7, No. 4, 1568-1582.

Wells, R.D. and Larson, J.E. 1970. Studies on the Binding of Actinomycin D to DNA and DNA Model Polymers. J. Mol. Biol., 49, 319-342.

Glaser, R. and Gabbay, E.J. 1970. Synthesis and characterization of C3' and C17 steroidal amines. J. Org. Chem. 35, No. 9, 2907-2912.

Broker, T.R. and Lehman, I.R. 1971. Branched DNA Molecules: Intermediates in T4 Recombination. J. Mol. Biol. 60, 131-149.

Sobell, H.M., Jain, S.C., Sakore, T.D. and Nordman, C.E. 1971. Stereochemistry of Actinomycin-DNA Binding. Nature New Biol. 231, No. 24, 200-205.

Pohl, F.M., Jovin, T.M., Baehr, W., and Holbrook, J.J. 1972. Ethidium Bromide as a Cooperative Effector of a DNA Structure. Proc. Nat. Acad. Sci. 69, 3805-3809.

Sobell, H.M. 1974. How Actinomycin Binds to DNA. Scientific American 231, No. 2, 82-91.

Tsai, C. C., Jain, S. C. and Sobell, H. M. 1975. X-Ray Crystallographic Visualization of Drug-Nucleic Acid Intercalative Binding: Structure of an Ethidium-Dinucleoside Monophosphate Crystalline Complex, Ethidium: 5-Iodouridylyl(3'-5')Adenosine. Proc. Nat. Acad. Sci. USA, 72, No. 2, 628-632.

Bond, P.J., Langridge, R., Jennette, K.W. and Lippard, S.J. 1975. X-Ray Fiber Diffraction Evidence for Neighbor Exclusion Binding of a Platinum Metallointercalation Reagent to DNA. Proc. Nat. Acad. Sci. USA, 72, 4825-4829.

Sobell, H. M., Tsai, C. C., Gilbert. S. G., Jain, S. C. and Sakore, T. D. 1976. Organization of DNA in chromatin. Proc. Nat. Acad. Sci. USA, 73, No. 9, 3068-3072.

Weintraub, H. and Groudine, M. 1976. Chromosomal Subunits in Active Genes Have an Altered Conformation. Science, 193, 848-853.

Gabbay, E.J. and Wilson, W.D. 1978. Intercalating agents as probes of chromatin structure. Methods Cell Biol. 18, 351-384.

Dattagupta, N., Hogan, M., and Crothers, D. M. 1978. Does Irehdiamine Kink DNA? Proc. Nat. Acad. Sci. 75, No. 9, 4286-4290.

Patel, D.J. and Canuel, L.L. 1979. Steroid diamine-nucleic acid interactions: partial insertion of dipyrandium between unstacked base pairs of the poly (dA-dT) duplex in solution. Proc. Nat. Acad. Sci. 76, No. 1, 24-28.

Wang, A.H.-J., Quigley, G.J., Kolpak, F.J., Crawford, J.L., van Boom, J.H., van der Marel, G., and Rich, A. 1979. Molecular Structure of a Left-handed Double Helical DNA Fragment at Atomic Resolution. Nature, 282, 680-686.

Englander, S.W., Kallenbach, N.R., Heeger, A.J., Krumhansl, J.A., and Litwin, S. 1980. Nature of the Open State in Long Polynucleotide Double Helices: Possibility of Soliton Excitations. Proc. Nat. Acad. Sci. 77, No. 12, 7222-7226.

Fiel, R.J. and Munson, B.R. 1980. Binding of meso-tetra (4-N-methylpyridyl) porphine to DNA. Nucleic Acids. Res., 8, No. 12, 2835-2842.

Samal, B., Worcel, A., Louis, C., and Schedl, P. 1981. Chromatin structure of the histone genes of D. melanogaster. Cell, 23, 401-409.

Hentschel, C.C. 1982. Homocopolymer Sequences in the Spacer of Sea Urchin Histone Gene Repeat are Sensitive to S1 Nuclease. Nature, 295, 714-716.

Jessee, B., Gargiulo, G., Razvi, F. and Worcel, A. 1982. Analogous Cleavage of DNA by Micrococcal Nuclease and a 1,10-Phenanthroline-Cuprous Complex. Nucleic Acids Res., 10, 5823-5834.

Glikin, G.C., Gargiulo, G., Rena-Descalzi, L., and Worcel, A. 1983. Escherichia coli Single-strand Binding Protein Stabilizes Specific Denatured Sites in Superhelical DNA. Nature, 303, No. 5920, 770- 774.

Wells, R.D., Brennan, R., Chapman, K.A., Goodman, T.C., Hart, P.A., Hillen, W., Kellogg, D.R., Kilpatrick, M.W., Klein, R.D., Klysik, J., Lambert, P.F., Larson, J.E., Miglietta, J.J., Neuendorf, S.K., O'Connor, T.R., Singleton, C.K., Stirdivant, S.M., Veneziale, C.M., Wartell, R.M., and Zacharias, W. 1983. Left-Handed DNA Helices, Supercoiling, and the B-Z Junction. Cold Spring Harbor Symposia on Quantitative Biology, 47, 77-84.

Lilley, D.M.J., 1983. Dynamic Sequence-Dependent DNA Structure as Exemplified by Cruciform Extrusion from Inverted Repeats in Negatively Supercoiled DNA. Cold Spring Harbor Symposia on Quantitative Biology, 47, 101-112.

Elgin, S.C.R., Cartwright, G., Fleischmann, G., Lowenhaupt, K. and Keene, M.A. 1983. Cleavage Reagents as Probes of DNA Sequence Organization and Chromatin Structure: Drosophila melanogaster Locus 67B1. Cold Spring Harbor Symposia on Quantitative Biology, 47, 529-538.

Stasiak, A., DiCapua, E., and Koller, T. 1983. Unwinding of Duplex DNA in Complexes with recA Protein. Cold Spring Harbor Symposia on Quantitative Biology, 47, 811-820.

Banerjee, A. and Sobell, H. M. 1983. Presence of Nonlinear Excitations in DNA Structure and their Relationship to DNA Premelting and to Drug Intercalation. Journal of Biomolecular Structure and Dynamics, 1, 253-262.

Sobell, H. M. 1985a. Kink-Antikink Bound States in DNA Structure. Biological Macromolecules and Assemblies, Volume 2, Nucleic Acids and Interactive Proteins, edited by F. A. Jurnack and A. McPherson, John Wiley & Sons, New York, 172-232.

Sobell, H. M. 1985b. Actinomycin and DNA Transcription. Proc. Nat. Acad. Sci. USA, 82, 5328-5331.

And references cited within.