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Details on Person UniProt:Q02156 PRKCE
| Class:Id | ReferenceGeneProduct:58203 |
|---|---|
| _chainChangeLog | chain:1-737 added on Fri February 6 2015 |
| _displayName | UniProt:Q02156 PRKCE |
| _timestamp | 2025-02-21 18:38:12 |
| chain | chain:1-737 |
| checksum | 85032D0A091A1F7F |
| comment | FUNCTION Calcium-independent, phospholipid- and diacylglycerol (DAG)-dependent serine/threonine-protein kinase that plays essential roles in the regulation of multiple cellular processes linked to cytoskeletal proteins, such as cell adhesion, motility, migration and cell cycle, functions in neuron growth and ion channel regulation, and is involved in immune response, cancer cell invasion and regulation of apoptosis. Mediates cell adhesion to the extracellular matrix via integrin-dependent signaling, by mediating angiotensin-2-induced activation of integrin beta-1 (ITGB1) in cardiac fibroblasts. Phosphorylates MARCKS, which phosphorylates and activates PTK2/FAK, leading to the spread of cardiomyocytes. Involved in the control of the directional transport of ITGB1 in mesenchymal cells by phosphorylating vimentin (VIM), an intermediate filament (IF) protein. In epithelial cells, associates with and phosphorylates keratin-8 (KRT8), which induces targeting of desmoplakin at desmosomes and regulates cell-cell contact. Phosphorylates IQGAP1, which binds to CDC42, mediating epithelial cell-cell detachment prior to migration. In HeLa cells, contributes to hepatocyte growth factor (HGF)-induced cell migration, and in human corneal epithelial cells, plays a critical role in wound healing after activation by HGF. During cytokinesis, forms a complex with YWHAB, which is crucial for daughter cell separation, and facilitates abscission by a mechanism which may implicate the regulation of RHOA. In cardiac myocytes, regulates myofilament function and excitation coupling at the Z-lines, where it is indirectly associated with F-actin via interaction with COPB1. During endothelin-induced cardiomyocyte hypertrophy, mediates activation of PTK2/FAK, which is critical for cardiomyocyte survival and regulation of sarcomere length. Plays a role in the pathogenesis of dilated cardiomyopathy via persistent phosphorylation of troponin I (TNNI3). Involved in nerve growth factor (NFG)-induced neurite outgrowth and neuron morphological change independently of its kinase activity, by inhibition of RHOA pathway, activation of CDC42 and cytoskeletal rearrangement. May be involved in presynaptic facilitation by mediating phorbol ester-induced synaptic potentiation. Phosphorylates gamma-aminobutyric acid receptor subunit gamma-2 (GABRG2), which reduces the response of GABA receptors to ethanol and benzodiazepines and may mediate acute tolerance to the intoxicating effects of ethanol. Upon PMA treatment, phosphorylates the capsaicin- and heat-activated cation channel TRPV1, which is required for bradykinin-induced sensitization of the heat response in nociceptive neurons. Is able to form a complex with PDLIM5 and N-type calcium channel, and may enhance channel activities and potentiates fast synaptic transmission by phosphorylating the pore-forming alpha subunit CACNA1B (CaV2.2). In prostate cancer cells, interacts with and phosphorylates STAT3, which increases DNA-binding and transcriptional activity of STAT3 and seems to be essential for prostate cancer cell invasion. Downstream of TLR4, plays an important role in the lipopolysaccharide (LPS)-induced immune response by phosphorylating and activating TICAM2/TRAM, which in turn activates the transcription factor IRF3 and subsequent cytokines production. In differentiating erythroid progenitors, is regulated by EPO and controls the protection against the TNFSF10/TRAIL-mediated apoptosis, via BCL2. May be involved in the regulation of the insulin-induced phosphorylation and activation of AKT1. Phosphorylates NLRP5/MATER and may thereby modulate AKT pathway activation in cumulus cells (PubMed:19542546). Phosphorylates and activates LRRK1, which phosphorylates RAB proteins involved in intracellular trafficking (PubMed:36040231).CATALYTIC ACTIVITY L-seryl-[protein] + ATP = O-phospho-L-seryl-[protein] + ADP + H(+)CATALYTIC ACTIVITY L-threonyl-[protein] + ATP = O-phospho-L-threonyl-[protein] + ADP + H(+)ACTIVITY REGULATION Novel PKCs (PRKCD, PRKCE, PRKCH and PRKCQ) are calcium-insensitive, but activated by diacylglycerol (DAG) and phosphatidylserine. Three specific sites; Thr-566 (activation loop of the kinase domain), Thr-710 (turn motif) and Ser-729 (hydrophobic region), need to be phosphorylated for its full activation (PubMed:21806543, PubMed:34593629). Inhibited by PRKCH upstream open reading frame 2 (PubMed:34593629).SUBUNIT Forms a ternary complex with TRIM63 and RACK1/GN2BL1 (By similarity). Can form a complex with PDLIM5 and N-type calcium channel (By similarity). Interacts with COPB1 (By similarity). Interacts with DGKQ (PubMed:15632189). Interacts with STAT3 (PubMed:17875724). Interacts with YWHAB (By similarity). Interacts with HSP90AB1; promotes functional activation in a heat shock-dependent manner (PubMed:20353823). Interacts (via phorbol-ester/DAG-type 2 domain) with PRPH and VIM (PubMed:18408015). Interacts with NLRP5/MATER (PubMed:19542546). Interacts with PRKCH upstream open reading frame 2; the interaction leads to inhibition of kinase activity (PubMed:34593629).INTERACTION Translocated to plasma membrane in epithelial cells stimulated by HGF (PubMed:17603037). Associated with the Golgi at the perinuclear site in pre-passage fibroblasts (By similarity). In passaging cells, translocated to the cell periphery (By similarity). Translocated to the nucleus in PMA-treated cells (By similarity).TISSUE SPECIFICITY Expressed in cumulus cells (at protein level).DOMAIN The C1 domain, containing the phorbol ester/DAG-type region 1 (C1A) and 2 (C1B), is the diacylglycerol sensor and the C2 domain is a non-calcium binding domain.PTM Phosphorylation on Thr-566 by PDPK1 triggers autophosphorylation on Ser-729 (PubMed:11964154). Phosphorylation in the hinge domain at Ser-350 by MAPK11 or MAPK14, Ser-346 by GSK3B and Ser-368 by autophosphorylation is required for interaction with YWHAB (PubMed:19662078). In response to growth factors, phosphorylated at Thr-703 and Ser-729 by the mTORC2 complex, promoting autophosphorylation and activation of PRKCE (PubMed:21806543).SIMILARITY Belongs to the protein kinase superfamily. AGC Ser/Thr protein kinase family. PKC subfamily. |
| description | recommendedName: Protein kinase C epsilon type ecNumber evidence="25 26 27"2.7.11.13 alternativeName: nPKC-epsilon |
| geneName | PRKCE PKCE |
| identifier | Q02156 |
| isSequenceChanged | FALSE |
| keyword | 3D-structure ATP-binding Cell adhesion Cell cycle Cell division Cell membrane Cytoplasm Cytoskeleton Immunity Kinase Membrane Metal-binding Nucleotide-binding Nucleus Phosphoprotein Proteomics identification Reference proteome Repeat Serine/threonine-protein kinase Transferase Zinc Zinc-finger |
| modified | [InstanceEdit:9836292] Weiser, Joel, 2023-05-25 [InstanceEdit:9852000] Weiser, Joel, 2023-11-03 [InstanceEdit:9926675] Weiser, Joel, 2024-11-03 [InstanceEdit:9939033] Weiser, Joel, 2025-02-21 |
| name | PRKCE |
| referenceDatabase | [ReferenceDatabase:2] UniProt |
| referenceGene | [ReferenceDNASequence:9003609] ENSEMBL:ENSG00000171132 PRKCE [Homo sapiens] |
| secondaryIdentifier | KPCE_HUMAN B0LPH7 Q32MQ3 Q53SL4 Q53SM5 Q9UE81 |
| sequenceLength | 737 |
| species | [Species:48887] Homo sapiens |
| (referenceEntity) | [EntityWithAccessionedSequence:58202] PRKCE [cytosol] [Homo sapiens] [EntityWithAccessionedSequence:198260] p-T566,T710,S729-PRKCE [plasma membrane] [Homo sapiens] [EntityWithAccessionedSequence:9981446] p-T566-PRKCE [cytosol] [Homo sapiens] [EntityWithAccessionedSequence:9981473] p-T566,T710-PRKCE [cytosol] [Homo sapiens] [EntityWithAccessionedSequence:9981480] p-T566,T710,S729-PRKCE [cytosol] [Homo sapiens] |
| (referenceSequence) | [ModifiedResidue:198269] O-phospho-L-threonine at 566 [ModifiedResidue:198283] O-phospho-L-threonine at 710 [ModifiedResidue:198309] O-phospho-L-serine at 729 |
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No pathways have been reviewed or authored by UniProt:Q02156 PRKCE (58203)
