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| Content Provider | Springer Nature Link |
|---|---|
| Author | Friedberg, Felix |
| Copyright Year | 2009 |
| Abstract | The actin cytoskeleton presents the basic force in processes such as cytokinesis, endocytosis, vesicular trafficking and cell migration. Here, we list 30 human singlet CH (calpononin homology/actin binding) containing multidomain molecules, each encoded by one gene. We show the domain distributions as given by the SMART program. These mosaic proteins organize geographically the placement of selected proteins in proximity within the cell. In most instances, their precise location, their actin binding capacity by way of the singlet CH (or by other domains?) and their physiological functions need further elucidation. A dendrogram based solely on the relationship for the human singlet CH domains (in terms of AA sequences) for the various molecules that possess the domain, implies that the singlet descended from a common ancestor which in turn sprouted three main branches of protein products. Each branch bifurcated multiple times thus accounting for a cornucopia of products. Wherever, additional (unassigned), highly homologous regions exist in related proteins (e.g., in LIM and LMO7 or in Tangerin and EH/BP1), these unrecognized domain regions await assignment as specific functional domains. Frequently genes coding multidomain proteins duplicated. The varying modular nature within multidomain proteins should have accelerated evolutionary changes to a degree not feasible to achieve by means of mere post-duplication mutational changes. |
| Starting Page | 1531 |
| Ending Page | 1539 |
| Page Count | 9 |
| File Format | |
| ISSN | 03014851 |
| Journal | Molecular Biology Reports |
| Volume Number | 37 |
| Issue Number | 3 |
| e-ISSN | 15734978 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2009-05-21 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Multidomain proteins Singlet calponin homology (CH) domain Vav Calponin Transgelin LMO7 LIMCH1 GAS2 IQGAP Micall Mical Clamp Tangerin EH/BP1 Smoothelin RP/EB Animal Biochemistry Animal Anatomy / Morphology / Histology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Genetics Medicine Molecular Biology |
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