Titin, a huge, elastic sarcomeric protein with a probable role in morphogenesis
Titin, the largest protein identified to date (over 1 μm long, almost 3 million daltons in mass) is the third most abundant component of the sarcomere. In the mature myofibril, titin molecules span from M line to Z line, forming a third filament system which provides sarcomeric alignment and elastic...
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Veröffentlicht in: | BioEssays 1991-04, Vol.13 (4), p.157-161 |
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Hauptverfasser: | , |
Format: | Artikel |
Sprache: | eng |
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Online-Zugang: | Volltext |
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Zusammenfassung: | Titin, the largest protein identified to date (over 1 μm long, almost 3 million daltons in mass) is the third most abundant component of the sarcomere. In the mature myofibril, titin molecules span from M line to Z line, forming a third filament system which provides sarcomeric alignment and elastic recoil. In the developing sarcomere, accumulating evidence from studies both in vivo and in vitro implicates titin as part of a morphogenetic scaffolding, upon which critical events in myofibrillogenesis are coordinated in a time‐ and spacedependent manner. |
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ISSN: | 0265-9247 1521-1878 |
DOI: | 10.1002/bies.950130403 |