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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Winkler, M. E. Sporn, M. B. Burton, L. E. Montelione, G. T. Rinderknecht, E. Wagner, G. |
| Description | Author Affiliation: Montelione GT ( Biophysics Research Division, University of Michigan, Ann Arbor 48109.); |
| Abstract | Transforming growth factor alpha (TGF alpha) is a small mitogenic protein with about 35% sequence identity with epidermal growth factor (EGF). TGF alpha-like proteins have been proposed to play a role in oncogenesis and wound healing. This report describes sequence-specific 1H-NMR resonance assignments for recombinant human TGF alpha (hTGF alpha). These assignments provide the basis for interpreting NMR data which demonstrate that the solution structure of hTGF alpha includes an antiparallel beta-sheet involving residues Gly-19 to Leu-24 and Lys-29 to Cys-34 and a second, smaller, antiparallel beta-sheet involving residues Tyr-38 and Val-39 and His-45 and Ala-46. These data, together with constraints imposed by the disulfide bonds, are combined to construct a molecular model of the polypeptide chain fold for residues Cys-8 to Ala-46. The resulting structure is similar to that of mouse and human EGF. Human TGF alpha and mouse EGF, however, differ with respect to their structural dynamics, since amide proton/deuteron exchange is much faster for hTGF alpha than for mouse EGF at pH 3.5. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 5 |
| Volume Number | 86 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1989-04-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Recombinant Proteins Transforming Growth Factors Escherichia Coli Genetics Hydrogen Magnetic Resonance Spectroscopy Protein Conformation Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. Research Support, U.S. Gov't, P.H.S. Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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