42).
Sakmar, T. P. & Fahmy, K.
Properties and Photoactivity of Rhodopsin Mutants.
Israel J Chem 35:325–338 (1995).
[not indexed for MEDLINE]
41).
Beck, M., Sakmar, T. P. & Siebert, F.
FTIR Investigations of Rhodopsin and Rhodopsin Mutants in Detergent and Reconstituted into Membranes.
in Sixth European Conference on the Spectroscopy of Biological Molecules (Merlin, J. C., Turrell, S. & Huvenne, J. P., eds.) Kluwer Academic Publishers, Dordrecht, Netherlands, pp. 173–174 (1995).
[not indexed for MEDLINE]
40).
Fahmy, K., Siebert, F. & Sakmar, T. P.
Molecular Determinants of the Active Conformation of Rhodopsin Studied by Attenuated Total Reflectance FTIR Difference Spectroscopy.
in Sixth European Conference on the Spectroscopy of Biological Molecules (Merlin, J. C., Turrell, S. & Huvenne, J. P., eds.) Kluwer Academic Publishers, Dordrecht, Netherlands, pp. 171–172 (1995).
[not indexed for MEDLINE]
39).
Unson, C. G., Cypess, A. M., Kim, H. N., Carruthers, C. J. L., Goldsmith, P. K., Merrifield, R. B. & Sakmar, T. P.
Characterization of Deletion and Truncation Mutants of the Rat Glucagon Receptor: Seven Transmembrane Segments Are Necessary for Receptor Transport to the Plasma Membrane and Glucagon Binding.
J Biol Chem 270:27720–27727 (1995).
PMID: 7499239 [PubMed - indexed for MEDLINE]
38).
Garcia, P. D., Onrust, R., Bell, S. M., Sakmar, T. P. & Bourne, H. R.
Transducin-a Carboxyl-Terminal Mutations Prevent Activation by Rhodopsin: A New Assay Using Recombinant Proteins Expressed in Cultured Cells.
EMBO J 14:4460–4469 (1995).
PMID: 7556089 [PubMed - indexed for MEDLINE]
37).
Fahmy, K., Siebert, F. & Sakmar, T. P.
The Photoactivated State of Rhodopsin and How It Can Form.
Biophys Chem 56:171–181 (1995).
PMID: 7662864 [PubMed - indexed for MEDLINE]
36).
Ernst, O., Hofmann, K. P. & Sakmar, T. P.
Characterization of Rhodopsin Mutants That Bind Transducin But Fail To Induce GTP Nucleotide Uptake: Classification of Mutant Pigments by Fluorescence, Nucleotide Uptake, and Light-Scattering Assays.
J Biol Chem 270:10580–10586 (1995).
PMID: 7737995 [PubMed - indexed for MEDLINE]
35).
Carruthers, C. J. L. & Sakmar, T. P.
Synthesis and Expression of Synthetic Genes: Applications to Structure-Function Studies of Receptors.
Methods Neurosci 25:322–344 (1995).
[not indexed for MEDLINE]
34).
Sakmar, T. P.
Opsins.
in Handbook of Receptors and Channels (Vol. I: G Protein-coupled Receptors) (Peroutka, S. J., ed.) CRC Press, Boca Raton, v. I, pp. 257–276 (1994).
[not indexed for MEDLINE]
33). Fahmy, K., Siebert, F. & Sakmar, T. P.
A Mutant Rhodopsin Photoproduct with a Protonated Schiff Base Displays an Active-state Conformation: a Fourier-Transform Infrared Spectroscopy Study.
Biochemistry 33:13700–13705 (1994).
PMID: 7947779 [PubMed - indexed for MEDLINE]
32). Carruthers, C. J. L., Unson, C. G., Kim, H. N. & Sakmar, T. P.
Synthesis and Expression of a Gene for the Rat Glucagon Receptor. Replacement of an Aspartic Acid in the Extracellular Domain Prevents Glucagon Binding.
J Biol Chem 269:29321–29328 (1994).
PMID: 7961903 [PubMed - indexed for MEDLINE]
31).
Jäger, F., Fahmy, K., Sakmar, T. P. & Siebert, F.
Identification of Glutamic Acid 113 as the Schiff Base Proton Acceptor in the Metarhodopsin II Photointermediate of Rhodopsin.
Biochemistry 33:10878–10882 (1994).
PMID: 7916209 [PubMed - indexed for MEDLINE]
30).
Arnis, S., Fahmy, K., Hofmann, K. P. & Sakmar, T. P.
A Conserved Carboxylic Acid Group Mediates Light-Dependent Proton Uptake and Signaling by Rhodopsin.
J Biol Chem 269:23879–23881 (1994).
PMID: 7929034 [PubMed - indexed for MEDLINE]
29). Zyvaga, T. A., Fahmy, K. & Sakmar, T. P.
Characterization of Rhodopsin-Transducin Interaction: A Mutant Rhodopsin Photoproduct with a Protonated Schiff Base Activates Transducin.
Biochemistry 33:9753-9761 (1994).
PMID: 8068654 [PubMed - indexed for MEDLINE]
28).
Jäger, F., Sakmar, T. P. & Siebert, F.
Molecular Changes of the Membrane-Embedded Carboxyl Group Glu-122 of Bovine Rhodopsin During the Transition to the Active State Metarhodopsin II: An Investigation of the Glu-122 to Asp Mutant Using FT-IR Difference Spectroscopy.
in Fifth International Conference on the Spectroscopy of Biological Molecules (Theophanides, T., Anatassopoulou, J. & Fotopoulos, N., eds.) Kluwer Academic Publishers, Dordrecht, Netherlands, pp. 223-226 (1993).
[not indexed for MEDLINE]
27). Fahmy, K., Jäger, F., Beck, M., Zyvaga, T. A., Sakmar, T. P. & Siebert, F.
Protonation States of Membrane-Embedded Carboxylic Acid Groups in Rhodopsin and Metarhodopsin II: A Fourier-Transform Infrared Spectroscopy Study of Site-Directed Mutants.
Proc Natl Acad Sci U S A 90:10206–10210 (1993).
PMID: 7901852 [PubMed - indexed for MEDLINE]
26). Fahmy, K. & Sakmar, T. P.
Light-Dependent Transducin Activation by an Ultraviolet-Absorbing Rhodopsin Mutant.
Biochemistry 32:9165–9171 (1993).
PMID: 8396426 [PubMed - indexed for MEDLINE]
25). Fahmy, K. & Sakmar, T. P.
Regulation of the Rhodopsin-Transducin Interaction by a Highly Conserved Carboxylic Acid Group.
Biochemistry 32:7229–7236 (1993).
PMID: 8343512 [PubMed - indexed for MEDLINE]
24). Min, K. C., Zyvaga, T. A., Cypess, A. M. & Sakmar, T. P.
Characterization of Mutant Rhodopsins Responsible for Autosomal Dominant Retinitis Pigmentosa. Mutations on the Cytoplasmic Surface Affect Transducin Activation.
J Biol Chem 268:9400–9404 (1993).
PMID: 8486634 [PubMed - indexed for MEDLINE]
23).
Zyvaga, T. A., Min, K. C., Beck, M. & Sakmar, T. P.
Movement of the Retinylidene Schiff Base Counterion in Rhodopsin by One Helix Turn Reverses the pH Dependency of the Metarhodopsin I to Metarhodopsin II Transition.
J Biol Chem 268:4661–4667 (1993). Correction: J Biol Chem 269:13056 (1994).
PMID: 8444840 [PubMed - indexed for MEDLINE]
22).
Sakmar, T. P., Fahmy, K., Chan, T. & Lee, M.
Mutagenesis Studies of Rhodopsin Phototransduction.
in Structures and Functions of Retinal Proteins (Rigaud, J. L., ed.) Libbey, London, pp. 67-70 (1992).
[not indexed for MEDLINE]
21).
Sakmar, T. P.
The Traveler's Medical Kit.
Infect Dis Clin North Am 6:355–370 (1992).
PMID: 1624781 [PubMed - indexed for MEDLINE]
20). Chan, T., Lee, M. & Sakmar, T. P.
Introduction of Hydroxyl-Bearing Amino Acids Causes Bathochromic Spectral Shifts in Rhodopsin: Amino Acid Substitutions Responsible for Red-Green Color Pigment Spectral Tuning.
J Biol Chem 267:9478–9480 (1992).
PMID: 1577792 [PubMed - indexed for MEDLINE]
19).
Sakmar, T. P., Franke, R. R. & Khorana, H. G.
Mutagenesis Studies of Rhodopsin Phototransduction.
in Signal Transduction in Photoreceptor Cells (Hargrave, P. A., Hofmann, K. P. & Kaupp, U. B., eds.) Springer-Verlag, Berlin, pp. 21–30 (1992).
[not indexed for MEDLINE]
18).
Lin, S. W., Sakmar, T. P., Franke, R. R., Khorana, H. G. & Mathies, R. A.
Resonance Raman Microprobe Spectroscopy of Rhodopsin Mutants: Effects of Substitutions in the Third Transmembrane Helix.
Biochemistry 31:5105–5111 (1992).
[not indexed for MEDLINE]
17).
Franke, R. R., Sakmar, T. P., Graham, R. M. & Khorana, H. G.
Structure and Function in Rhodopsin. Studies of the Interaction Between the Rhodopsin Cytoplasmic Domain and Transducin.
J Biol Chem 267:14767–14774 (1992).
PMID: 1634520 [PubMed - indexed for MEDLINE]
16).
Sakmar, T. P., Franke, R. R. & Khorana, H. G.
The Role of the Retinylidene Schiff Base Counterion in Rhodopsin in Determining Wavelength Absorbance and Schiff Base pKa.
Proc Natl Acad Sci U S A 88:3079–3083 (1991).
[not indexed for MEDLINE]
15).
Franke, R. R., König, B., Sakmar, T. P., Khorana, H. G. & Hofmann, K. P.
Rhodopsin Mutants That Bind But Fail to Activate Transducin.
Science 250:123–125 (1990).
PMID: 2218504 [PubMed - indexed for MEDLINE]
14).
Sakmar, T. P., Franke, R. R. & Khorana, H. G.
Glutamic Acid 113 Serves as the Retinylidene Schiff Base Counterion in Bovine Rhodopsin.
Proc Natl Acad Sci U S A 86:8309–8313 (1989).
PMID: 2573063 [PubMed - indexed for MEDLINE]
13).
Karnik, S. S., Sakmar, T. P., Chen, H. -B. & Khorana, H. G.
Cysteine Residues 110 and 187 are Required for the Formation of Correct Structure in Bovine Rhodopsin.
Proc Natl Acad Sci U S A 85:8459–8463 (1988).
MID: 3186735 [PubMed - indexed for MEDLINE]
12).
Sakmar, T. P. & Khorana, H. G.
Total Synthesis and Expression of a Gene for the a-Subunit of Bovine Rod Outer Segment Guanine Nucleotide-Binding Protein (Transducin).
Nucleic Acids Res 16:6361–6372 (1988).
[not indexed for MEDLINE]
11).
Franke, R. R., Sakmar, T. P., Oprian, D. D. & Khorana, H. G.
A Single Amino Acid Substitution in Rhodopsin ( Lysine 248 –-> Leucine) Prevents Activation of Transducin.
J Biol Chem 263:2119–2122 (1988).
PMID: 3123487 [PubMed - indexed for MEDLINE]
10).
Braiman, M., Bubis, J., Doi, T., Chen, H. -B., Flitsch, S. L., Franke, R. R., Gilles-Gonzalez, M. A., Graham, R. M., Karnik, S. S., Khorana, H. G., Knox, B. E., Krebs, M. P., Marti, T., Mogi, T., Nakayama, T., Oprian, D. D., Puckett, K. L., Sakmar, T. P., Stern, L. J., Subramaniam, S. & Thompson, D. A.
Studies on Light Transduction by Bacteriorhodopsin and Rhodopsin.
Cold Spring Harbor Symp Quant Biol 53:355–364 (1988).
[not indexed for MEDLINE]
9).
Franke, R. R., Sakmar, T. P., Graham, R. M. & Khorana, H. G.
Structure-Function Studies of Bovine Rhodopsin: Interactions with Transducin.
in Molecular Biology of the Eye: Genes, Vision and Ocular Disease(Piatigorsky, J., Zelenka, P. & Shinohara, T., eds.), Alan R. Liss, Inc., New York, pp. 45–52 (1988).
[not indexed for MEDLINE]
8).
Karnik, S. S., Sakmar, T. P., Franke, R. R., Knox, B. E., Oprian, D. D., Chen, H. -B. & Khorana, H. G.
Site-Specific Mutagenesis of Bovine Rhodopsin.
in Molecular Biology of the Eye: Genes, Vision and Ocular Disease (Piatigorsky, J., Zelenka, P., & Shinohara, T., eds.), Alan R. Liss, Inc., New York, pp. 23–34 (1988).
[not indexed for MEDLINE]
7).
Oprian, D., Sakmar, T. P., Nakayama, T., Chen, H. -B., Knox, B., Karnik, S., Franke, R. & Khorana, H. G.
Molecular Biological Studies of the Visual Pigment, Rhodopsin.
Discuss Neurosci 4:20–28 (1987).
[not indexed for MEDLINE]
6).
Ackerman, R. H., Richardson, E. P., Davis, K. R., Boom, W. H., Sakmar, T. P. & Haley, E. C.
Abrupt Onset of Headache Followed by Rapidly Progressive Encephalopathy in a 30-Year Old Woman - Angiitis of Central Nervous System (CPC).
N Engl J Med 313:566–575 (1985).
[not indexed for MEDLINE]
5).
Seid, R. C., Jr. & Sakmar, T. P.
A Differential Labeling Model for Determining the Number of Catalytically Essential Carboxyl Groups in Fumarase.
Biochim Biophys Acta (BBA) Enzymology 662:196–201 (1981).
[not indexed for MEDLINE]
4).
Randolph, A., Sakmar, T. P. & Heinrikson, R. L.
Phospholipases A2 - Structure, Function, and Evolution.
in Frontiers in Protein Chemistry (Liu, T. -Y. & Yasunobu, K., eds.) Elsevier, Amsterdam, pp. 297–322 (1980).
[not indexed for MEDLINE]
3).
Liang, S. M., Sakmar, T. P. & Liu, T. -Y.
Purification of an Endotoxin-Binding Protein from Limulus Amoebocyte Membranes.
J Biol Chem 255:5586–5590 (1980).
[not indexed for MEDLINE]
2).
Liu, T. -Y., Seid, R. C., Tai, J. Y., Liang, S. -M., Sakmar, T. P. & Robbins, J. B.
Studies on Limulus Lysate Coagulating System.
in Biomedical Applications of the Horseshoe Crab (Limulidae) (Cohen, E. B., ed.) Alan R. Liss, Inc., New York, pp. 147–158 (1979).
[not indexed for MEDLINE]
1).
Liu, T. -Y., Seid, R. C., Tai, J. Y., Liang, S. -M., Sakmar, T. P. & Robbins, J. B.
Studies on Limulus Lysate Coagulating System.
Prog Clin Biol Res 29:147–158 (1979).
[not indexed for MEDLINE]
3).
Sakmar, T. P., Gardner, P. & Peterson, G. N.
Health Guide for International Travelers. 2nd edition.
Passport Books, National Textbook Co., Lincolnwood, IL. 171 pp. (1994).
2).
Sakmar, T. P., Gardner, P. & Peterson, G. N.
Health Guide for International Travelers.
Passport Books, National Textbook Co., Lincolnwood, IL. 143 pp. (1991 reprint).
1).
Sakmar, T. P., Gardner, P. & Peterson, G. N.
Health Guide for International Travelers.
Passport Books, National Textbook Co., Lincolnwood, IL. 143 pp. (1989).
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