1. 
   Titin
   Titin (n), also known as connectin, is a protein that in humans is encoded by the TTN gene. Titin is a giant protein that functions as a molecular spring which is responsible for the passive elasticity of muscle. It is composed of 244 individually folded protein domains connected by unstructured pe...
   Found op http://en.wikipedia.org/wiki/Titin
   
   
2. 
   Titin
   Titin: A giant filamentous protein essential to the structure, development, and elasticity of muscle. The gene encoding titin is mutated in tibial muscular dystrophy.
   Found op http://www.medterms.com/script/main/art.html?articlekey=23048
   
   
3. 
   titin
   (= connectin) Family of enormous proteins (2000-3500 kD) found in the sarcomere of striated muscle. Form a scaffolding of elastic fibres that may be important for correct assembly of the sarcomere. Each titin molecule spans from M-line to Z-disc.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   titin
   <cell biology> Family of enormous proteins (2000-3500 kD) found in the sarcomere of striated muscle. Form a scaffolding of elastic fibres that may be important for correct assembly of the sarcomere. Each titin molecule spans from M line to Z disc. ... (18 Nov 1997) ...
   Found op http://www.mondofacto.com/facts/dictionary?titin
   
   
5. 
   titin
   Type: Term Pronunciation: tī′tin Definitions: 1. A very large fibrous protein that connects thick myosin filaments to Z discs in the sarcomere.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=92278
   
   

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