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Composition and Hierarchical Organisation of a Spider Silk
- A. Sponner, W. Vater, S. Monajembashi, E. Unger, F. Grosse, K. Weißhart
- Materials Science, MedicinePloS one
- 3 October 2007
The morphological defined structural elements in dragline silk of Nephila clavipes are linked to their biochemical composition and physicochemical properties to understand the composite nature of silk and its supra-molecular organisation.
Characterization of the protein components of Nephila clavipes dragline silk.
- A. Sponner, B. Schlott, F. Vollrath, E. Unger, F. Grosse, K. Weißhart
- 2 March 2005
Spider silk is predominantly composed of structural proteins called spider fibroins or spidroins, and polypeptides reactive against both Masp 1 and 2 specific antibodies were found to be expressed in the epithelia of the tail and different gland zones and accumulated in the gland secreted material.
Transport of Beads by Several Kinesin Motors
- J. Beeg, S. Klumpp, R. Dimova, R. S. Gracià, E. Unger, R. Lipowsky
- BiologyBiophysical journal
- 14 September 2007
The movements of beads pulled by several kinesin-1 (conventional kinesIn) motors are studied both theoretically and experimentally and the walking distance or run-length is strongly increased when more motors are involved.
Analysis of the migration behaviour of single microtubules in electric fields.
Differential polymerization of the two main protein components of dragline silk during fibre spinning
The findings suggest that the role of spidroin 2 in the spinning process could be to facilitate the formation of fibrils and contribute directly to the elasticity of the silk.
The conserved C-termini contribute to the properties of spider silk fibroins.
Effect of temperature on kinesin‐driven microtubule gliding and kinesin ATPase activity
Disturbed microtubule function and induction of micronuclei by chelate complexes of mercury(II).
SPEEDING UP KINESIN‐DRIVEN MICROTUBULE GLIDING IN VITRO BY VARIATION OF COFACTOR COMPOSITION AND PHYSICOCHEMICAL PARAMETERS *
For porcine brain kinesin, it is found that raising the molar Mg2+/ATP ratio can substantially elevate gliding velocity, and microtubule gliding became also faster after temperature elevation or lowering the number of kinesins bound to the glass surface.
Scanning force microscopy of microtubules and polymorphic tubulin assemblies in air and in liquid.
- W. Vater, W. Fritzsche, A. Schaper, K. Böhm, E. Unger, T. Jovin
- BiologyJournal of cell science
- 1 March 1995
We have investigated microtubules (MTs) and polymorphic assemblies, formed in vitro from isolated microtubule protein, by scanning force microscopy (SFM) in air and in liquid. Immobilization of MTs…