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CIT (citron kinase) binds activated RHOA, RHOB, RHOC and RAC1
Stable Identifier
R-HSA-5625901
Type
Reaction [binding]
Species
Homo sapiens
Compartment
cytosol
,
plasma membrane
ReviewStatus
5/5
Locations in the PathwayBrowser
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Signal Transduction (Homo sapiens)
Signaling by Rho GTPases, Miro GTPases and RHOBTB3 (Homo sapiens)
Signaling by Rho GTPases (Homo sapiens)
RHO GTPase Effectors (Homo sapiens)
RHO GTPases activate CIT (Homo sapiens)
CIT (citron kinase) binds activated RHOA, RHOB, RHOC and RAC1 (Homo sapiens)
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Citron kinase CIT was identified as a RHO GTPase effector in a yeast two hybrid screen, where it was shown, using mouse proteins, that CIT strongly binds GTP-bound RHOA, RHOB, RHOC and RAC1, but not CDC42. CIT possesses a centrally located Rho/Rac binding domain, while the kinase domain is located at the N-terminus. CIT is likely a homodimer that is activated by a conformational change upon RHO/RAC1 binding (Madaule et al. 1995).
Literature References
PubMed ID
Title
Journal
Year
8543060
A novel partner for the GTP-bound forms of rho and rac
Madaule, P
,
Narumiya, S
,
Furuyashiki, T
,
Watanabe, G
,
Reid, T
,
Ishizaki, T
,
Morii, N
FEBS Lett.
1995
Participants
Input
CIT [cytosol]
(Homo sapiens)
RHOA,RHOB,RHOC,RAC1:GTP [plasma membrane]
(Homo sapiens)
Output
RHOA,RHOB,RHOC,RAC1:GTP:CIT [plasma membrane]
(Homo sapiens)
Participates
as an event of
RHO GTPases activate CIT (Homo sapiens)
This event is regulated
Negatively by
Regulator
CIT:CDKN1B [cytosol]
(Homo sapiens)
Active Unit
CDKN1B [cytosol]
Inferred From
Cit binds activated Rhoa, Rhob, Rhoc and Rac1 (Mus musculus)
Authored
Orlic-Milacic, M (2014-10-24)
Rivero Crespo, F (2014-12-26)
Created
Orlic-Milacic, M (2014-10-08)
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