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PEAK3/C19orf35 pseu...
PEAK3/C19orf35 pseudokinase, a new NFK3 kinase family member, inhibits CrkII through dimerization
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- Lopez, Mitchell L. (författare)
- University of California, San Francisco
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- Lo, Megan (författare)
- University of California, San Francisco
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- Kung, Jennifer E. (författare)
- University of California, San Francisco
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- Dudkiewicz, Małgorzata (författare)
- Warsaw University of Life Sciences
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- Jang, Gwendolyn M. (författare)
- University of California, San Francisco,The J. David Gladstone Institutes
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- Von Dollen, John (författare)
- University of California, San Francisco,The J. David Gladstone Institutes
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- Johnson, Jeffrey R. (författare)
- University of California, San Francisco,The J. David Gladstone Institutes
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- Krogan, Nevan J. (författare)
- The J. David Gladstone Institutes,University of California, San Francisco
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- Pawłowski, Krzysztof (författare)
- Lund University,Lunds universitet,Klinisk kemi, Malmö,Forskargrupper vid Lunds universitet,Clinical Chemistry, Malmö,Lund University Research Groups,Warsaw University of Life Sciences
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- Jura, Natalia (författare)
- University of California, San Francisco
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(creator_code:org_t)
- 2019-07-16
- 2019
- Engelska 10 s.
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Ingår i: Proceedings of the National Academy of Sciences of the United States of America. - : Proceedings of the National Academy of Sciences. - 1091-6490. ; 116:31, s. 15495-15504
- Relaterad länk:
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http://dx.doi.org/10...
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https://www.pnas.org...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Members of the New Kinase Family 3 (NKF3), PEAK1/SgK269 and Pragmin/SgK223 pseudokinases, have emerged as important regulators of cell motility and cancer progression. Here, we demonstrate that C19orf35 (PEAK3), a newly identified member of the NKF3 family, is a kinase-like protein evolutionarily conserved across mammals and birds and a regulator of cell motility. In contrast to its family members, which promote cell elongation when overexpressed in cells, PEAK3 overexpression does not have an elongating effect on cell shape but instead is associated with loss of actin filaments. Through an unbiased search for PEAK3 binding partners, we identified several regulators of cell motility, including the adaptor protein CrkII. We show that by binding to CrkII, PEAK3 prevents the formation of CrkII-dependent membrane ruffling. This function of PEAK3 is reliant upon its dimerization, which is mediated through a split helical dimerization domain conserved among all NKF3 family members. Disruption of the conserved DFG motif in the PEAK3 pseudokinase domain also interferes with its ability to dimerize and subsequently bind CrkII, suggesting that the conformation of the pseudokinase domain might play an important role in PEAK3 signaling. Hence, our data identify PEAK3 as an NKF3 family member with a unique role in cell motility driven by dimerization of its pseudokinase domain.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Nyckelord
- CrkII
- motility
- NKF3 family
- protein kinase
- pseudokinase
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Lopez, Mitchell ...
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Lo, Megan
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Kung, Jennifer E ...
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Dudkiewicz, Małg ...
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Jang, Gwendolyn ...
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Von Dollen, John
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visa fler...
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Johnson, Jeffrey ...
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Krogan, Nevan J.
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Pawłowski, Krzys ...
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Jura, Natalia
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Medicinska och f ...
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och Cell och molekyl ...
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Proceedings of t ...
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Proceedings of t ...
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Lunds universitet