Presentations

A. Presentations at National Professional Meetings

  1. *West, Joseph K., Laird, Bobby W., and Johnson, Jason L. (March, 2005) “Tryptophan Fluorescence:  Probing the Carboxyphosphate Domain of E. coli Carbamoyl Phosphate Synthetase”, 229th ACS National Meeting, Biochemistry Division of Chemical Education (Abst. 896).
  2. Johnson, Jason L. and Reinhart, Gregory D. (February, 2005) “Dynamic Changes Spanning the Subunit Interface of E. coli CPS”, Biophysical Journal, Vol. 87, No. 2, (Abst. 2723), pg 229A.
  3. Johnson, Jason L., Lovingshimer, Michelle, and Reinhart, Gregory D. (February, 2004) "Do Allosteric Perturbations Alter Specificity?", Biophysical Journal, Vol. 86, No. 2 (Abstract 485), pg. 91a.
  4. Johnson, Jason L. and Reinhart, Gregory D. (February, 2004) "Resolving the Fluorescence Response of E. coli Carbamoyl Phosphate Synthetase", Biophysical Journal, Vol. 86, No. 2 (Astract 817), pg. 156a.
  5. Johnson, Jason L. and Reinhart, Greogory D. (March, 2003) "Analyses of Single Tryptophan Variants of E. coli Carbamoyl Phosphate Synthetase", Biophysical Journal, Vol. 84, No. 2, (Abst. 819), pg. 169A.
  6. Johnson, Jason L. and Reinhart, Gregory D. (February, 2002) "Inhibition of E. coli Carbamoyl Phosphate Synthetase by Pyrimidine Nucleotides", Biophysical Jounral, Vol. 82, No. 1, (Abst. 1595), pg 329A.
  7. Johnson, Jason L. and Reinhart, Gregory D. (February, 2000) "Stabilization of E. coli Phosphofructokinase via Newly Introduced Intersubunit Disulfide Bonds", Biophysical Journal, Vol. 78, No. 1, (Abst. 2503) pg. 424A.
  8. Lasagna, Mauricio, Johnson, Jason L., and Reinhart, Gregory D. (February, 1999) "Manipulation And Isolation Of Hybrid Tetramers Of E. coli PFK Of Defined Subunit Composition.", Biophysical Journal, Vol. 76, No. 1, (Abst M-94) pg. A170.
  9. Lasagna, Mauricio, Johnson, Jason L., and Reinhart, Gregory D. (August, 1998) "Fluorescence Identification of Hybrid Tetramers of E. coli PFK", Protein Science, Vol. 7, No. 1, (Abst.449S) pg. 130.
  10. Johnson, Jason L., Lasagna, Mauricio, and Reinhart, Gregory D. (February, 1998) "Formation of E. coli PFK Tetramers of Mixed Subunit Composition", Biophysical Journal, Vol. 74, No. 2, (Th-Pos114) pg. A365.
  11. Johnson, J. and Raushel, F.  (June, 1996) "Folding Pathways of Circularly Permuted Ribonuclease T1", FASEB Journal, Vol. 10, No. 6, (Abst. C26) pg. A972.
  12. Johnson, Jason L. and Reinhart, Gregory D.  (April 20, 1993) "Kinetic and Biophysical Ramifications of the F6P-MgADP Interactions in E. coli PFK", FASEB Journal, Vol. 7, No. 7, (Abst. 295) pg. A1102.
  13. Johnson, Jason L. and Reinhart, Gregory D.  (Feb., 1993) "Influence of Substrate and Allosteric Ligand on Tryptophan Dynamics in E. coli PFK", Biophysical Journal,  Vol. 64, No. 2, (Abst. 287) pg. A183.
  14. Johnson, Jason L. and Reinhart, Gregory D.  (Jan. 1, 1992) "Influence of ATP and AMPPNP on the Fluorescence and Kinetic Properties of E. coli PFK", FASEB Journal, Vol. 6, No. 1, (Abst. 1073) pg. A187.
  15. Johnson, Jason L. and Reinhart, Gregory D.  (March 19, 1991) "Thermodynamic Analysis of the Allosteric Regulation of E. coli PFK", FASEB Journal, Vol. 5, No. 6, (Abst. 6604) pg. A1509.

B.  Local and Regional Presentations

  1. *Newton, Tara and Johnson, J. L. (April 2007) "Following Nature's Lead:  Positioning Sensors of Long-Range Allostery", Oklahoma Research Day, Univ. of Central Oklahoma, Edmond, OK (Abst. 06.02.03), pg. 95.
  2. *Nelson, Andrew and Johnson, J. L. (July 2006) "Mimicking Synchronization Signals in Carbamoyl Phosphate synthetase", Summer Undergraduate Research Programs Conerence, University of Oklahoma Health Sciences Center, Oklahoma City, OK (Abst #32).
  3. *Newton, Tara and Johnson, J. L. (April 11, 2006) “ClustelW Alignment Identification and Genetic Construction of H76W, F92W, F150W, and Y101W Variants in E. coli Carbamoyl Phosphate Synthetase”, presented at the 14th Annual Undergraduate Research Fair, Southwestern Oklahoma State University.
  4. *Nelson, Andrew, Bull, Garry, and Johnson, Jason (April 12, 2006) “A Conformational Analysis of the Allosteric Domain of Carbamoyl Phosphate Synthetase”, SWOSU Research Fair, Weatherford, OK (Abst. #14), pg 6.
  5. **Nelson, Andrew, Bull, Garry, and Johnson, Jason (April 7, 2006) “A Conformational Analysis of the Allosteric Domain of Carbamoyl Phosphate Synthetase”, Beta-Beta-Beta South Central Regional Convention, University of Oklahoma Biological Field Station, Lake Texhoma, OK.
  6. *Nelson, Andrew, Bull, Garry, and Johnson, Jason (Nov 11, 2005) “Engineering Y1012W within E. coli Carbamoyl Phosphate Synthetase:  A Conformational Analysis of the Allosteric Domain”, Oklahoma Research Day, Univ. of Central Oklahoma, Edmond, OK (Abst. #06.02.08), pg 80.
  7. *Webber, David and Johnson, Jason L. (July 29, 2005) “Purification and Kinetic Assessment of F755W:  Mapping Allostery in E. coli Carbamoyl Phosphate Synthetase”, Summer Undergraduate Research Fair, University of Oklahoma Health Scence Center (Abst #29), pg. 62.
  8. * West, Joseph K., Laird, Bobby W., and Johnson, Jason L. (April 13, 2004) “Unraveling Ligand Interactions Across an Enzyme in the Absence of Catalysis”, SWOSU Research Fair, Weatherford, OK.
  9. *Laird, Bobby W., West, Joseph K., and Johnson, Jason L. (October 24, 2004) “Isolating and Quantifying Allosteric Couplings”, Oklahoma Research Day, Univ. of Central Oklahoma, Edmond, OK (Abst. S-281), pg. 72.
  10. *Marshall, Andre and Johnson, Jason L. (April, 2004) "Localizing Nucleotide-Induced Changes in the Intrinsic Fluorescence of E. coli Carbamoyl Phosphate Synthetase ", SWOSU Research Fair, Weatherford, OK.
  11. *†Marshall, Andre and Johnson, Jason L. (November, 2003) "Disabling Binding Sites to Pinpoint the Origin of Fluorescence Response in E. coli CPS", Research Day for Regional Universities, Univ. of Central Oklahoma, Edmond, OK., (Abst S-296), pg. 93.
  12. *Marshall, A., *Seibold, L., Holland, J., *Clark, C., and Johnson, J. L. (April, 2003) "Characterizing Allosteric Mechanisms in E. coli Carbamoyl Phosphate Synthetase Using Fluorescence Probes", SWOSU Research Fair, Weatherford, OK.
  13. Johnson, Jason L. (December, 2000) "Engineering Cysteine-Free E. coli Phosphofructokinase", Southwest / Southeast Regional Meeting of the American Chemical Society, New Orleans, LA, submitted.
  14. Johnson, Jason L. (October, 2000) "Attempts to Engineer Proteins Inaccessible to Thiol-Reactive Labeling Reagents", Research Day for Regional Universities, Univ. of Central Oklahoma, Edmond, OK., (Abst M&S 084), pg. 14.
  15. *Burch, Anthony and Johnson, Jason L. (April, 2000) "How are Proteins Turned "ON" and "OFF" in the Body?", Research Day at the Capitol, Okla. City, OK.
  16. *Burch, Anthony and Johnson, Jason L. (March, 2000) "Does the Disruption of Quaternary Protein Structure Contribute to the Regulation of E. coli Phosphofructokinase?", SWOSU Research Fair, Weatherford, OK.
  17. *§Burch, Anthony and Johnson, Jason L. (October, 1999) "Designing Intersubunit Disulfide Bridges in E. coli PFK, Research Day for Regional Universities, Univ. of Central Oklahoma, Edmond, OK., (Abst SW:MS:03), pg. 50.
  18. *Ceballos, Natalie, Burch, Anthony, and Johnson, J. L., (April, 1998) "Mutagenesis of Effector-Site Residues in E. coli Phosphofructokinase:  Assessing Individual Subunit Contributions to Allosterism", Regional ACS Meeting in Miniature, Durant, OK.
 *Sponsored presentations by undergraduate researchers at SWOSU.
**Student received a First Place Finish Amongst all posters at the Beta-Beta-Beta South Central Regional Convention.
†Student received a Third Place Finish Amongst all Science & Mathmatics Posters presented at the Research Day for Regional Universities.
§Student received a Second Place Finish Amongst all Science & Mathmatics Posters presented at the Research Day for Regional Universities.