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- Title
Estimating Velocity for Processive Motor Proteins with Random Detachment.
- Authors
Hughes, John; Shastry, Shankar; Hancock, William; Fricks, John
- Abstract
We show that, for a wide range of models, the empirical velocity of processive motor proteins has a limiting Pearson type VII distribution with finite mean but infinite variance. We develop maximum likelihood inference for this Pearson type VII distribution. In two simulation studies, we compare the performance of our MLE with the performance of standard Student's t-based inference. The studies show that incorrectly assuming normality (1) can lead to imprecise inference regarding motor velocity in the one-sample case, and (2) can significantly reduce power in the two-sample case. These results should be of interest to experimentalists who wish to engineer motors possessing specific functional characteristics.
- Subjects
MOLECULAR motor proteins; VELOCITY; INFERENCE (Logic); MEDIATED learning experience; COMPUTER simulation
- Publication
Journal of Agricultural, Biological & Environmental Statistics (JABES), 2013, Vol 18, Issue 2, p204
- ISSN
1085-7117
- Publication type
Article
- DOI
10.1007/s13253-013-0131-4