This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
Diphtheria toxin
From Proteopedia
(Difference between revisions)
| Line 15: | Line 15: | ||
== Structural highlights == | == Structural highlights == | ||
| - | <scene name='59/592684/Cv/17'>The biological assembly of Diphtheria toxin is dimer</scene>. DT is proteolitically cleaved into 2 fragments. <scene name='59/592684/Cv/7'>Fragment A contains the catalytic domain (C)</scene> and <scene name='59/592684/Cv/8'>fragment B</scene> contains the <scene name='59/592684/Cv/9'>transmembrane (T)</scene> and <scene name='59/592684/Cv/10'>receptor-binding (R)</scene> domains. <scene name='59/592684/Cv/ | + | <scene name='59/592684/Cv/17'>The biological assembly of Diphtheria toxin is dimer</scene>. DT is proteolitically cleaved into 2 fragments. <scene name='59/592684/Cv/7'>Fragment A contains the catalytic domain (C)</scene> and <scene name='59/592684/Cv/8'>fragment B</scene> contains the <scene name='59/592684/Cv/9'>transmembrane (T)</scene> and <scene name='59/592684/Cv/10'>receptor-binding (R)</scene> domains. <scene name='59/592684/Cv/19'>DT active site</scene> is located in a cleft in the C domain.<ref>PMID:7833807</ref> Water molecules are shown as red spheres. The 2 monomers of DT interact by domain swapping to form a <scene name='59/592684/Cv/16'>compact, globular dimer structure</scene>. |
</StructureSection> | </StructureSection> | ||
Revision as of 15:47, 17 February 2020
| |||||||||||
3D structures of diphtheria toxin
Updated on 17-February-2020
References
- ↑ Pappenheimer AM Jr. Diphtheria toxin. Annu Rev Biochem. 1977;46:69-94. PMID:20040 doi:http://dx.doi.org/10.1146/annurev.bi.46.070177.000441
- ↑ Bennett MJ, Choe S, Eisenberg D. Refined structure of dimeric diphtheria toxin at 2.0 A resolution. Protein Sci. 1994 Sep;3(9):1444-63. PMID:7833807

