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GENERAL INFORMATIONi
General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.
Gene namei
Official gene symbol, which is typically a short form of the gene name, according to HGNC.
Assigned HPA protein class(es) for the encoded protein(s).
Plasma proteins
Predicted locationi
All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.
Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.
Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).
The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.
Intracellular
Number of transcriptsi
Number of protein-coding transcripts from the gene as defined by Ensembl.
9
HUMAN PROTEIN ATLAS INFORMATIONi
Summary of RNA expression and protein localization based on data generated within the Human Protein Atlas project.
Main locationi
Main subcellular location(s) and reliability score(s) for the encoded protein(s) in human cells. The main location(s) may be characterized by presence in all tested cell lines and/or ihigher staining intensity compared to the potential additional location(s). If available, links to overrepresentation analyses in Reactome, a free, open-source, curated and peer reviewed biological pathway database, are provided. An analysis is done for the corresponding gene set of the proteome localizing to the main and additional locations of the protein on this page, respectively.
Localized to the Cytosol (approved)
Additional locationi
Additonal subcellular location(s) for the encoded protein(s) in human cells. The additional location(s) may not be present i all cell lines and may have lower staining intensity compared to the main location(s). If available, links to overrepresentation analyses in Reactome, a free, open-source, curated and peer reviewed biological pathway database, are provided. An analysis is done for the corresponding gene set of the proteome localizing to the main and additional locations of the protein on this page, respectively.
In addition localized to the Nucleoli (approved), Plasma membrane (approved)
Single-cell variationi
Single-cell variations in protein expression levels or distribution observed between cells within the same images of human cells stained by immunocytochemistry.
Single-cell variation in protein expression observed.
siRNAi
Validation score for the subcellular location(s) of the encoded proteins(s) according to siRNA validation.
The location(s) are Enhanced based on siRNA mediated gene silencing.
Reliability scorei
Overall gene reliability score for the subcellular location(s) of the encoded protein(s). The score indicates the level of reliability of the annotated protein localization based on agreement with available experimental gene/protein characterization data in the UniProtKB/Swiss-Prot database and presence of antibody validation assays for immunocytochemistry.
Approved
Antibodiesi
Antibodies used for this assay. Click on an antibody for more information.
Overview of RNA expression levels in different cell lines analyzed in the Human Protein Atlas. The RNA-sequencing results generated in the HPA are reported as normalized transcript per million (nTPM) values. In the Human Protein Atlas a nTPM value of 1.0 is defined as a threshold for expression of the corresponding protein. The cell lines are divided into color-coded groups according to their origin in the human body. By clicking the toolbars in the top right corner it is possible to sort the cell lines in the chart by different criteria: the organ and the origin that the cell line was obtained from, the category of the cell line according to cellosaurus, alphabetically or by descending RNA expression. Detailed information about a specific cell line can be accessed by hovering over the corresponding bar in the chart.
Organ
Origin
Category
Expression
Alphabetical
Cell lines ordered by organ of phenotypic resemblance.
Cell lines ordered by biological source for establishment order.
Cell lines ordered by category according to Cellosaurus.
Cell lines ordered by descending RNA expression order.
Cell lines in alphabetically order.
HUMAN CELLSi
Assay for determining the subcellular location of the encoded protein(s) in human cells by indirect immunofluorescence and confocal microscopy. The antibody-based staining is generally carried out in U2OS and two additional cell lines, selected based on RNA expression. Representative multi-color images showing the protein of interest in green are displayed below. The images also include markers for the nucleus (blue), microtubules (red) and ER (yellow). All images are clickable for an enlarged view. For cell structure reference, visit the cell dictionary.
Summaryi
Summary of the subcellular location, based on the immunofluorescent analysis in all studied cell lines and with all tested antibodies.
Mainly localized to the cytosol. In addition localized to the nucleoli & plasma membrane.
Main locationi
Main subcellular location(s) and reliability score(s) for the encoded protein(s) in human cells. The main location(s) may be characterized by presence in all tested cell lines and/or higher staining intensity compared to the potential additional location(s).
Cytosol (approved)
Additional locationi
Additonal subcellular location(s) for the encoded protein(s) in human cells. The additional location(s) may not be present i all cell lines and may have lower staining intensity compared to the main location(s).
Nucleoli (approved), Plasma membrane (approved)
Toggle channelsi
Buttons for turning on and off the different channels in the multi-color images. The intensity toggle shows the pixel intensity range in 16 different colors for the selected channel. The object toggle shows the computational segmentation of the cells used for further analysis in the HPA project. For samples where cell cycle dependency for the protein is suggested according to a correlation assay the predicted cell cycle position of each cell is displayed when using the object toggle.
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Thumbnaili
Minatures of all available images. The checkboxes can be used to select which three images to compare in the window above. All images are also clickable for an enlarged view. The selected image will appear in large size and miniature images with all other staining results for this gene will be listed at the top left of the image. The selected miniature image has an orange overlay.
Antibodyi
Antibody used for analysis. Clicking the antibody ID links to the antibody validation page.
Cell linei
Cell line used for analysis. Read more about the cell lines in the Human Protein Atlas.
Cell line RNA Expression (nTPM)i
RNA expression level in the cell line based on normalised RNA sequencing data. Genes with a value above 1 NX are considered to be expressed.
Locationi
Observed subcellular location(s).
Single-cell variationi
Observed single-cell variation(s) in the staining pattern. Variation in protein expression levels can be observed as varaiations in the intensity of the immunofluorescent signal, while spatial variations can be observed as variations in subcellular distribution of the protein.
Cell cycle dependent variationi
Cell-cycle dependance of observed single-cell varations in RNA and/or protein expression as observed in an additional assay for characterizing single-cell varations.
Assay for validating subcellular location as determined by immunofluorescence by siRNA-mediated downregulation of gene expression. The top section shows a summary of the results of the siRNA validation assay. The box plot shows the Relative Fluorescence Intensity (RFI, i.e. percentage of remaining staining intensity after siRNA downregulation) in siRNA treated and negative control (scrambled) samples. Representative images of the negative control cells are displayed to the left and representative images of siRNA-treated cells are displayed to the right. All images are clickable for an enlarged view. The selected image will appear in large size and miniature images with all other staining results for this gene will be listed at the top left of the image. The selected miniature image has an orange overlay.
Antibodyi
Antibody used for analysis. Clicking the antibody ID links to the antibody validation page.
Validation score and description based on the decrease in antibody staining intensity upon siRNA treatment.
Enhanced: Significant downregulation > 25% by both siRNA:s.
Analysis performed ini
Compartment in which the changes in intensity have been measured. Depending on the original staining of the HPA antibody, a segmentation region covering either the nucleus, cytoplasm or the whole cell is used in the statistical analysis. Additionally it is noted whether the statistical analysis was performed in the 10x or 40x images.
Cytoplasmic region of segmented cells in 10x-images
siRNA 1i
An siRNA designed specifically against the mRNA transcript corresponding to the protein targeted by the HPA-antibody.
siRNA 2i
The siRNA validation assay is performed using two different siRNAs targeted against each gene. Results are only shown for siRNAs that mediate a down-regulation in protein expression as determined by immunofluorescence.
RFIi
Median Relative Fluorescence Intensity (RFI) after siRNA-mediated down regulation of gene expression when comparing siRNA treated cells with negative control (scrambled) cells.
55%
55%
p-valuei
p-value calculated using a Wilcoxon rank sum test (Mann-Whitney) for the difference in staining intensity in siRNA-treated and negative control cells. A p-value below 0.01 is considered statistically significant.
< 0.01
< 0.01
Toggle channelsi
Buttons for turning on and off the different channels in the multi-color images. The intensity toggle shows the pixel intensity range in 16 different colors for the selected channel. The antibody and intensity channel toggle can be used to further illustrate the intensity downregulation when comparing images from scrambled and targeting siRNA samples in the images. The object toggle shows the segmentation compartment in which the change in intensity after siRNA downregulation was measured.
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High
Thumbnail 10xi
Minatures of all available images acquired with a 10x objective after siRNA downregulation. The checkboxes can be used to select which three images to compare in the window above. All images are also clickable for an enlarged view. The selected image will appear in large size and miniature images with all other staining results for this gene will be listed at the top left of the image.
Thumbnail 40xi
Minatures of all available images acquired with a 40x objective after siRNA downregulation. The checkboxes can be used to select which three images to compare in the window above. All images are also clickable for an enlarged view. The selected image will appear in large size and miniature images with all other staining results for this gene will be listed at the top left of the image.
Antibodyi
Antibody used for analysis. Clicking the antibody ID links to the antibody validation page.
Samplei
siRNA that was used for the analysis.
Cell linei
Cell line used for analysis. Read more about the cell lines in the Human Protein Atlas.
The Human Protein Atlas project is funded
