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Full-Text Articles in Chemistry

Monomer-Dimer Equilibrium Constants Of Rna In The Dimer Initiation Site Of Human Immunodeficiency Virus Type 1, Michael F. Shubsda, Mark P. Mcpike, Jerry Goodisman, James C. Dabrowiak Mar 1999

Monomer-Dimer Equilibrium Constants Of Rna In The Dimer Initiation Site Of Human Immunodeficiency Virus Type 1, Michael F. Shubsda, Mark P. Mcpike, Jerry Goodisman, James C. Dabrowiak

Chemistry - All Scholarship

The genome of the human immunodeficiency virus (HIV) exists as a dimer of two identical RNA molecules hydrogen bonded to each other near their 5' ends. The dimer, known to be important for viral infectivity, is formed by two monomers interacting through a stem-loop structure called the dimer initiation site (DIS). An initially formed intermediate, the "kissing" dimer, is unstable and rearranges to the stable, duplex form. In this report we use nondenaturing polyacrylamide gel electrophoresis to measure the monomer-dimer equilibrium constant of three RNA sequences, 41-, 27-, and 19-mers, located in the DIS of the MAL isolate of HIV-1. …


Cumulative Reaction Probability In Terms Of Reactant-Product Wave Packet Correlation Functions, Sophya Garashchuk, David J. Tannor Feb 1999

Cumulative Reaction Probability In Terms Of Reactant-Product Wave Packet Correlation Functions, Sophya Garashchuk, David J. Tannor

Faculty Publications

Presents expressions for the cumulative reaction probability (N(E)), cast in terms of time-correlation functions of reactant and product wave packets. Beginning of the derivation with a standard trace expression for the cumulative reaction probability; Expression for N(E) obtained in terms of the correlation matrices of incoming and outgoing wave packets.