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Johannes D. Clausen

Researcher at Aarhus University

Publications -  39
Citations -  1210

Johannes D. Clausen is an academic researcher from Aarhus University. The author has contributed to research in topics: ATPase & SERCA. The author has an hindex of 19, co-authored 39 publications receiving 1129 citations. Previous affiliations of Johannes D. Clausen include National Research Foundation of South Africa.

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Chlamydia trachomatis utilizes the host cell microtubule network during early events of infection

TL;DR: Host cell cytoskeleton is known to play a vital role in the life cycles of several pathogenic intracellular microorganisms by providing the basis for a successful invasion and by promoting movement of the pathogen once inside the host cell cytoplasm.
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Dissection of the functional differences between sarco(endo)plasmic reticulum Ca2+-ATPase (SERCA) 1 and 3 isoforms by steady-state and transient kinetic analyses.

TL;DR: The transient-kinetic analysis traced several of the differences from SERCA1a to an enhancement of the rate of dephosphorylation of the E 2P phosphoenzyme intermediate, which was most pronounced at alkaline pH and increased with the length of the alternatively spliced C terminus.
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Identification, Expression, Function, and Localization of a Novel (Sixth) Isoform of the Human Sarco/Endoplasmic Reticulum Ca2+ATPase 3 Gene

TL;DR: Analysis of structure-function-location relationships of the h3b and h3f isoforms suggests that the SERCA3 isoforms have a more widespread role in cellular Ca2+ signaling than previously appreciated.
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Glutamate-183 in the conserved TGES motif of domain A of sarcoplasmic reticulum Ca2+-ATPase assists in catalysis of E2/E2P partial reactions.

TL;DR: Comparisons of the partial reactions of mutant E183A and wild-type Ca(2+)-ATPase indicate that E183 is critical for the phosphatase function of E(2) and E( 2)P, possibly interacting with the phosphoryl group or attacking water in the transition state complex, but is of little functional importance in E(1) and N.