JCB logo
amgmicro.com
  Home | Help | Feedback | Subscriptions | Archive | Search | Table of Contents

This Article
Right arrow Full Text (PDF, 1385K)
Right arrow Alert me when this article is cited
Right arrow Citation Map
Services
Right arrow Email this article
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new content in the JCB
Right arrow Download to citation manager
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via CrossRef
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Schlossman, D. M.
Right arrow Articles by Rothman, J. E.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by Schlossman, D. M.
Right arrow Articles by Rothman, J. E.
Social Bookmarking
 Add to CiteULike   Add to Complore   Add to Connotea   Add to Del.icio.us   Add to Digg   Add to Facebook   Add to Reddit   Add to Technorati   Add to Twitter  
What's this?

The Journal of Cell Biology, Vol 99, 723-733, Copyright © 1984 by The Rockefeller University Press


ARTICLES

An enzyme that removes clathrin coats: purification of an uncoating ATPase

DM Schlossman, SL Schmid, WA Braell and JE Rothman

Uncoating ATPase, an abundant 70,000-mol-wt polypeptide mediating the ATP-dependent dissociation of clathrin from coated vesicles and empty clathrin cages, has been purified to virtual homogeneity from calf brain cytosol. Uncoating protein is present in cells in amounts roughly stoichiometric with clathrin. This enzyme is isolated as a mixture of monomers and dimers, both forms being active. ATP can support protein- facilitated dissociation of clathrin at micromolar levels; all other ribotriphosphates as well as deoxy-ATP are inactive. The clathrin that is released from cages consists of trimers (triskelions) in a stoichiometric complex with uncoating ATPase. These complexes with clathrin have little tendency to self-associate at neutral pH, and at acidic pH they interfere with the assembly of free clathrin. The possible existence and function of these complexes as clathrin carriers in cells would explain why uncoating protein is made in quantities equivalent to clathrin.
Add to CiteULike CiteULike   Add to Complore Complore   Add to Connotea Connotea   Add to Del.icio.us Del.icio.us   Add to Digg Digg   Add to Facebook Facebook   Add to Reddit Reddit   Add to Technorati Technorati   Add to Twitter Twitter    What's this?


This article has been cited by other articles:



  Home | Help | Feedback | Subscriptions | Archive | Search | Table of Contents