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| ARF5 | ADP-ribosylation factor 5; GTP-binding protein that functions as an allosteric activator of the cholera toxin catalytic subunit, an ADP- ribosyltransferase. Involved in protein trafficking; may modulate vesicle budding and uncoating within the Golgi apparatus; ARF GTPase family (180 aa) | |||
| RALA | Ras-related protein Ral-A; Multifunctional GTPase involved in a variety of cellular processes including gene expression, cell migration, cell proliferation, oncogenic transformation and membrane trafficking. Accomplishes its multiple functions by interacting with distinct downstream effectors. Acts as a GTP sensor for GTP-dependent exocytosis of dense core vesicles. The RALA-exocyst complex regulates integrin-dependent membrane raft exocytosis and growth signaling. Key regulator of LPAR1 signaling and competes with GRK2 for binding to LPAR1 thus affecting the signaling properties of th [...] (206 aa) | |||
| REM1 | GTP-binding protein REM 1; Promotes endothelial cell sprouting and actin cytoskeletal reorganization. May be involved in angiogenesis. May function in Ca(2+) signaling; RGK type GTPase family (298 aa) | |||
| RASL10A | Ras-like protein family member 10A; Potent inhibitor of cellular proliferation; RAS type GTPase family (203 aa) | |||
| RASD2 | GTP-binding protein Rhes; GTPase signaling protein that binds to and hydrolyzes GTP. Regulates signaling pathways involving G-proteins-coupled receptor and heterotrimeric proteins such as GNB1, GNB2 and GNB3. May be involved in selected striatal competencies, mainly locomotor activity and motor coordination; Belongs to the small GTPase superfamily. RasD family (266 aa) | |||
| RASL12 | Ras-like protein family member 12; RAS type GTPase family (266 aa) | |||
| RHOV | Rho-related GTP-binding protein RhoV; Plays a role in the control of the actin cytoskeleton via activation of the JNK pathway; Belongs to the small GTPase superfamily. Rho family (236 aa) | |||
| RABAC1 | Prenylated Rab acceptor protein 1; General Rab protein regulator required for vesicle formation from the Golgi complex. May control vesicle docking and fusion by mediating the action of Rab GTPases to the SNARE complexes. In addition it inhibits the removal of Rab GTPases from the membrane by GDI; Belongs to the PRA1 family (185 aa) | |||
| RASD1 | Dexamethasone-induced Ras-related protein 1; Small GTPase. Negatively regulates the transcription regulation activity of the APBB1/FE65-APP complex via its interaction with APBB1/FE65 (By similarity); Belongs to the small GTPase superfamily. RasD family (281 aa) | |||
| RERGL | Ras-related and estrogen-regulated growth inhibitor-like protein; Binds GDP/GTP and may possess intrinsic GTPase activity; RAS type GTPase family (205 aa) | |||
| TRIM23 | E3 ubiquitin-protein ligase TRIM23; Acts as an E3 ubiquitin-protein ligase. In the presence of the human cytomegalovirus (HCMV) protein UL144, participates in ’Lys-63’-linked auto-ubiquitination of TRAF6 resulting in the virally controlled activation of NF-kappa-B at early time of infection. The C-terminus can act as an allosteric activator of the cholera toxin catalytic subunit; In the C-terminal section; belongs to the small GTPase superfamily. Arf family (574 aa) | |||
| DOPEY1 | Protein dopey-1; May be involved in protein traffic between late Golgi and early endosomes (2476 aa) | |||
| RHOQ | Rho-related GTP-binding protein RhoQ; Plasma membrane-associated small GTPase which cycles between an active GTP-bound and an inactive GDP-bound state. In active state binds to a variety of effector proteins to regulate cellular responses. Involved in epithelial cell polarization processes. May play a role in CFTR trafficking to the plasma membrane. Causes the formation of thin, actin-rich surface projections called filopodia; Rho family GTPases (205 aa) | |||
| ARL1 | ADP-ribosylation factor-like protein 1; GTP-binding protein that has very low efficiency as allosteric activator of the cholera toxin catalytic subunit, an ADP-ribosyltransferase. Can activate phospholipase D with very low efficiency. Important for normal function of the Golgi apparatus; ARF GTPase family (181 aa) | |||
| MED7 | Mediator of RNA polymerase II transcription subunit 7; Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by direct interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors (233 aa) | |||
| ARF6 | ADP-ribosylation factor 6; GTP-binding protein involved in protein trafficking that regulates endocytic recycling and cytoskeleton remodeling. Required for normal completion of mitotic cytokinesis. Plays a role in the reorganization of the actin cytoskeleton and the formation of stress fibers. May also modulate vesicle budding and uncoating within the Golgi apparatus. Involved in the regulation of dendritic spine development, contributing to the regulation of dendritic branching and filopodia extension. Involved in epithelial polarization (By similarity).Functions as an allosteric acti [...] (175 aa) | |||
| ARL10 | ADP-ribosylation factor-like protein 10; ADP ribosylation factor like GTPase 10; Belongs to the small GTPase superfamily. Arf family (244 aa) | |||
| RAB12 | Ras-related protein Rab-12; The small GTPases Rab are key regulators of intracellular membrane trafficking, from the formation of transport vesicles to their fusion with membranes. Rabs cycle between an inactive GDP-bound form and an active GTP-bound form that is able to recruit to membranes different set of downstream effectors directly responsible for vesicle formation, movement, tethering and fusion. That Rab may play a role in protein transport from recycling endosomes to lysosomes regulating, for instance, the degradation of the transferrin receptor. Involved in autophagy (By simi [...] (244 aa) | |||
| GGA1 | ADP-ribosylation factor-binding protein GGA1; Plays a role in protein sorting and trafficking between the trans-Golgi network (TGN) and endosomes. Mediates the ARF- dependent recruitment of clathrin to the TGN and binds ubiquitinated proteins and membrane cargo molecules with a cytosolic acidic cluster-dileucine (AC-LL) motif (639 aa) | |||
| MON2 | Protein MON2 homolog; May be required for traffic between late Golgi and early endosomes; Armadillo-like helical domain containing (1717 aa) | |||
| ARL13B | ADP-ribosylation factor-like protein 13B; Cilium-specific protein required to control the microtubule-based, ciliary axoneme structure. May act by maintaining the association between IFT subcomplexes A and B. Binds GTP but is not able to hydrolyze it; the GTPase activity remains unclear. Required to pattern the neural tube. Involved in cerebral cortex development- required for the initial formation of a polarized radial glial scaffold, the first step in the construction of the cerebral cortex, by regulating ciliary signaling. Regulates the migration and placement of postmitotic interne [...] (428 aa) | |||
| ARL16 | ADP-ribosylation factor-like protein 16; ADP ribosylation factor like GTPase 16; ARF GTPase family (197 aa) | |||
| DOPEY2 | Protein dopey-2; May be involved in protein traffic between late Golgi and early endosomes; Belongs to the dopey family (2298 aa) | |||
| ROCK1 | Rho-associated protein kinase 1; Protein kinase which is a key regulator of actin cytoskeleton and cell polarity. Involved in regulation of smooth muscle contraction, actin cytoskeleton organization, stress fiber and focal adhesion formation, neurite retraction, cell adhesion and motility via phosphorylation of DAPK3, GFAP, LIMK1, LIMK2, MYL9/MLC2, PFN1 and PPP1R12A. Phosphorylates FHOD1 and acts synergistically with it to promote SRC-dependent non-apoptotic plasma membrane blebbing. Phosphorylates JIP3 and regulates the recruitment of JNK to JIP3 upon UVB-induced stress. Acts as a sup [...] (1354 aa) | |||
| ARL15 | ADP-ribosylation factor-like protein 15; ADP ribosylation factor like GTPase 15; ARF GTPase family (204 aa) | |||
| GGA3 | ADP-ribosylation factor-binding protein GGA3; Plays a role in protein sorting and trafficking between the trans-Golgi network (TGN) and endosomes. Mediates the ARF- dependent recruitment of clathrin to the TGN and binds ubiquitinated proteins and membrane cargo molecules with a cytosolic acidic cluster-dileucine (AC-LL) motif (723 aa) | |||
