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RNA category is based on mRNA expression levels in the analyzed samples (RNA assay description). The categories include: tissue/cell line enriched, group enriched, tissue/cell line enhanced, expressed in all, mixed and not detected. RNA category is calculated separately for The Cancer Genome Atlas (TCGA) data from cancer tissues and internally generated Human Protein Atlas (HPA) data from normal tissues and cell lines.
TCGA (cancer tissue):
Expressed in all
HPA (cell line):
Cell line enhanced (U-87 MG)
HPA (normal tissue):
Mixed
Protein evidencei
Protein evidence scores are generated from several independent sources and are classified as evidence at i) protein level, ii) transcript level, iii) no evidence, or iv) not available.
Evidence at protein level
Protein expression normal tissuei
A summary of the overall protein expression pattern across the analyzed normal tissues. The summary is based on knowledge-based annotation.
"Estimation of protein expression could not be performed. View primary data." is shown for genes analyzed with a knowledge-based approach where available RNA-seq and gene/protein characterization data has been evaluated as not sufficient in combination with immunohistochemistry data to yield a reliable estimation of the protein expression profile.
Cytoplasmic expression in most tissues, high expression in CNS.
IMMUNOHISTOCHEMISTRY DATA RELIABILITY
Data reliability descriptioni
Standardized explanatory sentences with additional information required for full understanding of the knowledge-based expression profile.
Antibody staining mainly consistent with RNA expression data.
Reliability score - normal tissuesi
Reliability score (score description), divided into Enhanced, Supported, Approved, or Uncertain, is evaluated in normal tissues and based on consistency between antibody staining pattern, available RNA-Seq and gene/protein characterization data, as well as similarity between independent antibodies targeting the same protein.
Kaplan-Meier plots for all cancers where high expression of this gene has significant (p<0.001) association with patient survival are shown in this summary. Whether the prognosis is favourable or unfavourable is indicated in brackets. Each Kaplan-Meier plot is clickable and redirects to a detailed page that includes individual expression and survival data for patients with the selected cancer.
Gene product is not prognostic.
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RNA EXPRESSION OVERVIEWi
RNA expression overview shows RNA-seq data from The Cancer Genome Atlas (TCGA).
TCGA dataseti
RNA-seq data in 17 cancer types are reported as median FPKM (number Fragments Per Kilobase of exon per Million reads), generated by the The Cancer Genome Atlas (TCGA). RNA cancer tissue category is calculated based on mRNA expression levels across all 17 cancer tissues and include: cancer tissue enriched, cancer group enriched, cancer tissue enhanced, expressed in all, mixed and not detected. To access cancer specific RNA and prognostic data, click on the cancer name. The cancer types are color-coded according to which type of normal organ the cancer originates from.
Antibody staining in 20 different cancers is summarized by a selection of four standard cancer tissue samples representative of the overall staining pattern. From left: colorectal cancer, breast cancer, prostate cancer and lung cancer. An additional fifth image can be added as a complement. The assay and annotation is described here. Note that samples used for immunohistochemistry by the Human Protein Atlas do not correspond to samples in the TCGA dataset.
For each cancer, color-coded bars indicate the percentage of patients (maximum 12 patients) with high and medium protein expression level. The cancer types are color-coded according to which type of normal organ the cancer originates from. Low or not detected protein expression results in a white bar. Mouse-over function shows details about expression level and normal tissue of origin. The images and annotations can be accessed by clicking on the cancer name or protein expression bar. If more than one antibody is analyzed, the tabs at the top of the staining summary section can be used to toggle between the different antibodies.
Few cases of gliomas and lymphomas showed moderate cytoplasmic positivity. Remaining cancer tissues were in general weakly stained or negative.
Moderate cytoplasmic immunoreactivity was observed in several cases of gliomas and lymphomas. Most remaining cancer tissues were weakly stained or negative.
A majority of cancer tissues displayed weak to moderate cytoplasmic immunoreactivity. Squamous cell carcinomas, breast cancers and testicular cancers were in general negative.
Strong cytoplasmic immunoreactivity was observed in most gliomas. Most remaining cancer tissues negative.
GENE INFORMATIONi
Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.
Gene name
PRKCA (HGNC Symbol)
Synonyms
PKCA
Description
Protein kinase C alpha (HGNC Symbol)
Entrez gene summary
Protein kinase C (PKC) is a family of serine- and threonine-specific protein kinases that can be activated by calcium and the second messenger diacylglycerol. PKC family members phosphorylate a wide variety of protein targets and are known to be involved in diverse cellular signaling pathways. PKC family members also serve as major receptors for phorbol esters, a class of tumor promoters. Each member of the PKC family has a specific expression profile and is believed to play a distinct role in cells. The protein encoded by this gene is one of the PKC family members. This kinase has been reported to play roles in many different cellular processes, such as cell adhesion, cell transformation, cell cycle checkpoint, and cell volume control. Knockout studies in mice suggest that this kinase may be a fundamental regulator of cardiac contractility and Ca(2+) handling in myocytes. [provided by RefSeq, Jul 2008]
The protein browser displays the antigen location on the target protein(s) and the features of the target protein. The tabs at the top of the protein view section can be used to switch between the different splice variants to which an antigen has been mapped.
At the top of the view, the position of the antigen (identified by the corresponding HPA identifier) is shown as a green bar. A yellow triangle on the bar indicates a <100% sequence identity to the protein target.
Under the antigens, the maximum percent sequence identity of the protein to all other proteins from other human genes is displayed, using a sliding window of 10 aa residues (HsID 10) or 50 aa residues (HsID 50). The region with the lowest possible identity is always selected for antigen design, with a maximum identity of 60% allowed for designing a single-target antigen (read more).
The curve in blue displays the predicted antigenicity i.e. the tendency for different regions of the protein to generate an immune response, with peak regions being predicted to be more antigenic.The curve shows average values based on a sliding window approach using an in-house propensity scale. (read more).
If a signal peptide is predicted by a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius (turquoise) and/or transmembrane regions (orange) are predicted by MDM, these are displayed.
Low complexity regions are shown in yellow and InterPro regions in green. Common (purple) and unique (grey) regions between different splice variants of the gene are also displayed (read more), and at the bottom of the protein view is the protein scale.
PRKCA-002
PROTEIN INFORMATIONi
The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.
The ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.
The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.
The Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
P17252 [Direct mapping] Protein kinase C alpha type L7RSM7 [Target identity:100%; Query identity:100%] Protein kinase C
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Enzymes ENZYME proteins Transferases Kinases AGC Ser/Thr protein kinases MEMSAT-SVM predicted membrane proteins SPOCTOPUS predicted membrane proteins Predicted intracellular proteins Plasma proteins RAS pathway related proteins Cancer-related genes Candidate cancer biomarkers Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014)
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GO:0000166 [nucleotide binding] GO:0001525 [angiogenesis] GO:0001938 [positive regulation of endothelial cell proliferation] GO:0002159 [desmosome assembly] GO:0004672 [protein kinase activity] GO:0004674 [protein serine/threonine kinase activity] GO:0004697 [protein kinase C activity] GO:0004698 [calcium-dependent protein kinase C activity] GO:0005515 [protein binding] GO:0005524 [ATP binding] GO:0005634 [nucleus] GO:0005654 [nucleoplasm] GO:0005737 [cytoplasm] GO:0005739 [mitochondrion] GO:0005783 [endoplasmic reticulum] GO:0005829 [cytosol] GO:0005886 [plasma membrane] GO:0006468 [protein phosphorylation] GO:0006915 [apoptotic process] GO:0007077 [mitotic nuclear envelope disassembly] GO:0007155 [cell adhesion] GO:0007190 [activation of adenylate cyclase activity] GO:0007194 [negative regulation of adenylate cyclase activity] GO:0007411 [axon guidance] GO:0008270 [zinc ion binding] GO:0010595 [positive regulation of endothelial cell migration] GO:0010613 [positive regulation of cardiac muscle hypertrophy] GO:0016020 [membrane] GO:0016301 [kinase activity] GO:0016310 [phosphorylation] GO:0016740 [transferase activity] GO:0018105 [peptidyl-serine phosphorylation] GO:0019899 [enzyme binding] GO:0030168 [platelet activation] GO:0030335 [positive regulation of cell migration] GO:0031666 [positive regulation of lipopolysaccharide-mediated signaling pathway] GO:0031966 [mitochondrial membrane] GO:0034351 [negative regulation of glial cell apoptotic process] GO:0035403 [histone kinase activity (H3-T6 specific)] GO:0035408 [histone H3-T6 phosphorylation] GO:0035556 [intracellular signal transduction] GO:0038128 [ERBB2 signaling pathway] GO:0043488 [regulation of mRNA stability] GO:0043536 [positive regulation of blood vessel endothelial cell migration] GO:0045651 [positive regulation of macrophage differentiation] GO:0045766 [positive regulation of angiogenesis] GO:0045785 [positive regulation of cell adhesion] GO:0045931 [positive regulation of mitotic cell cycle] GO:0046872 [metal ion binding] GO:0048471 [perinuclear region of cytoplasm] GO:0050796 [regulation of insulin secretion] GO:0070062 [extracellular exosome] GO:0070374 [positive regulation of ERK1 and ERK2 cascade] GO:0070555 [response to interleukin-1] GO:0090330 [regulation of platelet aggregation] GO:0097190 [apoptotic signaling pathway] GO:2000707 [positive regulation of dense core granule biogenesis]
The Human Protein Atlas project is funded
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