SRP54 protein expression summary - The Human Protein Atlas

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SRP54

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HUMAN PROTEIN ATLAS SUMMARYⁱ 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.
Proteinⁱ Full gene name according to HGNC.	Signal recognition particle 54
Gene nameⁱ Official gene symbol, which is typically a short form of the gene name, according to HGNC.	SRP54
Tissue specificityⁱ ??The RNA specificity category is based on mRNA expression levels in the consensus dataset which is calculated from the RNA expression levels in samples from HPA and GTEX. The categories include: tissue enriched, group enriched, tissue enhanced, low tissue specificity and not detected. Read more	Low tissue specificity
Tissue expression clusterⁱ The RNA data was used to cluster genes according to their expression across tissues. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Non-specific - Vesicular transport (mainly)
Single cell type specificityⁱ The RNA specificity category is based on mRNA expression levels in the analyzed cell types based on scRNA-seq data from normal tissues. The categories include: cell type enriched, group enriched, cell type enhanced, low cell type specificity and not detected. Read more	Group enriched (Late spermatids, Early spermatids)
Single cell type expression clusterⁱ The RNA data was used to cluster genes according to their expression across single cell types. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Spermatids - Spermatogenesis (mainly)
Immune cell specificityⁱ The RNA specificity category is based on mRNA expression levels in the analyzed blood cell samples based on data from HPA. The categories include: cell type enriched, group enriched, cell type enhanced, low cell type specificity and not detected. Read more	Low immune cell specificity
Brain specificityⁱ The regional specificity category is based on mRNA expression levels in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. All brain expression profiles are based on data from HPA. The specificity categories include: regionally enriched, group enriched, regionally enhanced, low regional specificity and not detected. The classification rules are the same used for the tissue specificity category Read more	Low human brain regional specificity
Cancer prognostic summary	Gene product is not prognostic
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. Read more	Intracellular
Subcellular summaryⁱ Describes the main and potential additional location(s) of the encoded protein according to ICC-IF resukt in the Cell Atlas, as well as potential data regarding cell cycle depency (CCD) for the RNA and/or protein expression.	Located in Cytosol
Protein function (UniProt)ⁱ Useful information about the protein provided by UniProt.	Binds to the signal sequence of presecretory protein when they emerge from the ribosomes and transfers them to TRAM (translocating chain-associating membrane protein). Plays a role in proliferation and differentiation of granulocytic cells, neutrophils migration capacity and exocrine pancreas development 1, 2.... show less
Molecular function (UniProt)ⁱ Keywords assigned by UniProt to proteins due to their particular molecular function.	Hydrolase, Ribonucleoprotein, RNA-binding
Disease involvementⁱ Disease related keywords assigned by UniProt combined with Cancer-related genes and FDA approved drug targets Read more	Disease variant
Ligand (UniProt)ⁱ Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.	GTP-binding, Nucleotide-binding

TISSUEⁱ Summary of data presented in the Tissue section, with a representative image of protein expression (left) and an interactive chart showing the tissue-specific mRNA expression (right). The image and the chart are clickable and will redirect to more Tissue data. This section contains information regarding the expression profiles of protein-coding genes in normal human tissue, both on the mRNA and protein level. The protein expression data is derived from antibody-based protein profiling using immunohistochemistry. Read more

Tissue expression clusterⁱ The RNA data was used to cluster genes according to their expression across tissues. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Non-specific - Vesicular transport (mainly)
Tissue specificityⁱ The RNA specificity category is based on mRNA expression levels in the consensus dataset which is calculated from the RNA expression levels in samples from HPA and GTEX. The categories include: tissue enriched, group enriched, tissue enhanced, low tissue specificity and not detected. Read more	Low tissue specificity
Tissue distributionⁱ The RNA distribution category is based on mRNA expression levels in the analyzed samples based on a combination of data from HPA and GTEX. The categories include: detected in all, detected in many, detected in some, detected in single and not detected. Read more	Detected in all
Protein expressionⁱ 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. Read more	Cytoplasmic expression in most tissues.

BRAINⁱ Summary of data presented in the Brain Atlas and a representative image of mRNA expression in the human brain. The image is clickable and will redirect to more Brain Atlas data. The Brain Atlas explores the protein expression in the mammalian brain by visualization and integration of data from three mammalian species (human, pig and mouse). Transcriptomics data combined with affinity-based protein in situ localization down to single cell level is available in a brain-centric sub atlas of the Human Protein Atlas. Read more

Human regional specificityⁱ The regional specificity category is based on mRNA expression levels in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. All brain expression profiles are based on data from HPA. The specificity categories include: regionally enriched, group enriched, regionally enhanced, low regional specificity and not detected. The classification rules are the same used for the tissue specificity category. Read more	Low region specificity
Pig regional specificityⁱ The regional specificity category is based on mRNA expression levels in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. All brain expression profiles are based on data from HPA. The specificity categories include: regionally enriched, group enriched, regionally enhanced, low regional specificity and not detected. The classification rules are the same used for the tissue specificity category. Read more	Low region specificity
Mouse regional specificityⁱ The regional specificity category is based on mRNA expression levels in the analysed brain samples, grouped into 13 main brain regions and calculated for the three different species. All brain expression profiles are based on data from HPA. The specificity categories include: regionally enriched, group enriched, regionally enhanced, low regional specificity and not detected. The classification rules are the same used for the tissue specificity category. Read more	Low region specificity

SINGLE CELL TYPEⁱ Summary of data presented in the Single cell Type section, with an interactive chart showing the cell type-specific mRNA expression. The chart is clickable and will redirect to more Cell Type data. This section contains information about single cell type RNA expression based on scRNAseq of human tissues. The data also covers transcriptomics analysis of human blood and cultured cell lines. Read more

Single cell type expression clusterⁱ The RNA data was used to cluster genes according to their expression across single cell types. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Spermatids - Spermatogenesis (mainly)
Cell type specificityⁱ The RNA specificity category is based on mRNA expression levels in the analyzed cell types based on scRNA-seq data from normal tissues. The categories include: cell type enriched, group enriched, cell type enhanced, low cell type specificity and not detected. Read more	Group enriched (Late spermatids, Early spermatids)

TISSUE CELL TYPEⁱ

Classificationⁱ

No predicted cell type specificity

PATHOLOGYⁱ Summary of data presented in the Pathology section, with representative images of protein expression in cancer (left) and correlation between mRNA expression and patient survival (right). Images are clickable and redirect to pages with more Pathology data. This section contains mRNA and protein expression data from 17 different forms of human cancer, as well as correlation analysis of mRNA expression and patient survival. The protein expression data is derived from antibody-based protein profiling using immunohistochemistry. Read more

Prognostic summary	Gene product is not prognostic
Cancer specificityⁱ Specificity of RNA expression in 17 cancer types is categorized as either cancer enriched, group enriched, cancer enhanced, low cancer specificity and not detected. Read more	Low cancer specificity
Cancer distributionⁱ Distribution of RNA expression in 17 cancer types is categorized as either detected in single, detected in some, detected in many, detected in all, or not detected. Read more	Detected in all

IMMUNE CELLⁱ Summary of data presented in the Immune Cell section and a representative image of mRNA expression in immune cells in the blood. The image is clickable and will redirect to more immune cell related data. The Immune Cell section contains information regarding single cell type mRNA expression profiles of protein-coding genes in various immune cells in the blood, e.g. B-cells and granulocytes. Read more

Immune cell expression clusterⁱ The RNA data was used to cluster genes according to their expression across single cell types. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Non-specific - Gene expression (mainly)
Immune cell specificityⁱ The RNA specificity category is based on mRNA expression levels in the analyzed samples based on data from HPA. The categories include: cell type enriched, group enriched, cell type enhanced, low cell type specificity and not detected. Read more	Low immune cell specificity

BLOOD PROTEINⁱ Summary of data presented in the Blood proteins section and a representative image of the concentration in plasma and related function for the protein in plasma. The image is clickable and will redirect to more data. The Blood proteins section contains plasma levels of proteins detected in human blood and an analysis of the human secretome (including annotation of the genes predicted to be actively secreted to human blood) is also presented. Read more
Detected in blood by immunoassayⁱ The blood-based immunoassay category applies to actively secreted proteins and is based on plasma or serum protein concentrations established with enzyme-linked immunosorbent assays, compiled from a literature search. The categories include: detected and not detected, where detection refers to a concentration found in the literature search. Read more	No (not applicable)
Detected in blood by mass spectrometryⁱ Detection or not of the gene in blood, based on spectral count estimations from a publicly available mass spectrometry-based plasma proteomics data set obtained from the PeptideAtlas.	No
Detected in blood by proximity extension assayⁱ Detection or not of the gene in blood, based on proximity extension assays (Olink) for a longitudinal wellness study covering 76 individuals with three visits during two years. Read more	No

SUBCELLULARⁱ Summary of data presented in the Cell Atlas and a representative image of subcellular localization. The Cell Atlas provides RNA expression data derived from RNA sequencing of a large panel of cell lines and protein localization data derived from antibody-based profiling by immunofluorescence confocal microscopy, using a subset of cell lines selected based on RNA expression. Read more

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. Read more	Localized to the Cytosol

CELL LINEⁱ Summary of data presented in the Cell Line section and a representative image of mRNA expression across different human cell lines. The image is clickable and will redirect to more cell line data. This section contains information regarding mRNA expression profiles of human protein-coding genes for a large variety of cell lines. Read more

Cell line expression clusterⁱ The RNA data was used to cluster genes according to their expression across single cell types. Clusters contain genes that have similar expression patterns, and each cluster has been manually annotated to describe common features in terms of function and specificity. Read more	Hep G2 - Hepatocyte cell processes (mainly)
Cell line specificityⁱ RNA specificity category based on RNA sequencing data from all cell lines in the Human Protein Atlas. Genes are classified into six different categories (enriched, group enriched, enhanced, low specificity and not detected) according to their RNA expression levels across the panel of cell lines. Read more	Low cell line specificity
Cell type distributionⁱ The RNA distribution category is based on mRNA expression levels in the analyzed cell types based on scRNA-seq data from normal tissues. The categories include: detected in all, detected in many, detected in some, detected in single and not detected. Read more	Detected in all

METABOLIC

Metabolic info	Not available

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	SRP54
Synonyms
Description	Signal recognition particle 54 (HGNC Symbol)
Chromosome	14
Cytoband	q13.2
Chromosome location (bp)	34981957 - 35029686
Number of transcriptsⁱ Number of protein-coding transcripts from the gene as defined by Ensembl.	9
Protein evidence	Evidence at protein level (all genes)
Protein classⁱ Assigned HPA protein class(es) for the encoded protein(s). Read more	Disease related genes Plasma proteins Potential drug targets Transporters
Ensembl	ENSG00000100883 (version 103.38)
Entrez gene	6729
UniProt	P61011 (UniProt - Evidence at protein level)
neXtProt	NX_P61011
Antibodypedia	SRP54 antibodies

PROTEIN BROWSERⁱ

SRP54-201

SRP54-202

SRP54-205

SRP54-208

SRP54-209

SRP54-213

SRP54-216

SRP54-220

SRP54-222

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.
Splice variant	UniProt	Protein class	Gene ontology	Length & mass	Signal peptide (predicted)	Transmembrane regions (predicted)
SRP54-201 ENSP00000216774 ENST00000216774	P61011 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Transporters Primary Active Transporters Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Kim et al 2014) Protein evidence (Ezkurdia et al 2014) Show all	GO:0000166 [nucleotide binding] GO:0003723 [RNA binding] GO:0003924 [GTPase activity] GO:0005515 [protein binding] GO:0005525 [GTP binding] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005783 [endoplasmic reticulum] GO:0005786 [signal recognition particle, endoplasmic reticulum targeting] GO:0005829 [cytosol] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0006616 [SRP-dependent cotranslational protein targeting to membrane, translocation] GO:0006617 [SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition] GO:0008312 [7S RNA binding] GO:0016607 [nuclear speck] GO:0016787 [hydrolase activity] GO:0019003 [GDP binding] GO:0030593 [neutrophil chemotaxis] GO:0030851 [granulocyte differentiation] GO:0030942 [endoplasmic reticulum signal peptide binding] GO:0031017 [exocrine pancreas development] GO:0043021 [ribonucleoprotein complex binding] GO:0045047 [protein targeting to ER] GO:0048500 [signal recognition particle] Show all	504 aa 55.7 kDa	No	0
SRP54-202 ENSP00000440629 ENST00000546080	P61011 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Transporters Primary Active Transporters Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Ezkurdia et al 2014) Show all	GO:0000166 [nucleotide binding] GO:0003723 [RNA binding] GO:0003924 [GTPase activity] GO:0005515 [protein binding] GO:0005525 [GTP binding] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005783 [endoplasmic reticulum] GO:0005786 [signal recognition particle, endoplasmic reticulum targeting] GO:0005829 [cytosol] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0006616 [SRP-dependent cotranslational protein targeting to membrane, translocation] GO:0006617 [SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition] GO:0008312 [7S RNA binding] GO:0016607 [nuclear speck] GO:0016787 [hydrolase activity] GO:0019003 [GDP binding] GO:0030593 [neutrophil chemotaxis] GO:0030851 [granulocyte differentiation] GO:0030942 [endoplasmic reticulum signal peptide binding] GO:0031017 [exocrine pancreas development] GO:0043021 [ribonucleoprotein complex binding] GO:0045047 [protein targeting to ER] GO:0048500 [signal recognition particle] Show all	445 aa 49.1 kDa	No	0
SRP54-205 ENSP00000451037 ENST00000554803	G3V346 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0005737 [cytoplasm] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0048500 [signal recognition particle] Show all	43 aa 4.6 kDa	No	0
SRP54-208 ENSP00000451775 ENST00000555557	G3V4F7 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0000166 [nucleotide binding] GO:0003723 [RNA binding] GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0005737 [cytoplasm] GO:0005786 [signal recognition particle, endoplasmic reticulum targeting] GO:0005829 [cytosol] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0008312 [7S RNA binding] GO:0016607 [nuclear speck] GO:0045047 [protein targeting to ER] GO:0048500 [signal recognition particle] Show all	440 aa 48.7 kDa	No	0
SRP54-209 ENSP00000451647 ENST00000555746	G3V480 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0005737 [cytoplasm] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0008312 [7S RNA binding] GO:0048500 [signal recognition particle] Show all	447 aa 49.4 kDa	No	0
SRP54-213 ENSP00000451818 ENST00000556994	P61011 [Direct mapping] Signal recognition particle 54 kDa protein Show all	Transporters Primary Active Transporters Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Mapped to neXtProt neXtProt - Evidence at protein level Protein evidence (Ezkurdia et al 2014) Show all	GO:0000166 [nucleotide binding] GO:0003723 [RNA binding] GO:0003924 [GTPase activity] GO:0005515 [protein binding] GO:0005525 [GTP binding] GO:0005634 [nucleus] GO:0005737 [cytoplasm] GO:0005783 [endoplasmic reticulum] GO:0005786 [signal recognition particle, endoplasmic reticulum targeting] GO:0005829 [cytosol] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0006616 [SRP-dependent cotranslational protein targeting to membrane, translocation] GO:0006617 [SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition] GO:0008312 [7S RNA binding] GO:0016607 [nuclear speck] GO:0016787 [hydrolase activity] GO:0019003 [GDP binding] GO:0030593 [neutrophil chemotaxis] GO:0030851 [granulocyte differentiation] GO:0030942 [endoplasmic reticulum signal peptide binding] GO:0031017 [exocrine pancreas development] GO:0043021 [ribonucleoprotein complex binding] GO:0045047 [protein targeting to ER] GO:0048500 [signal recognition particle] Show all	504 aa 55.7 kDa	No	0
SRP54-216 ENSP00000504673 ENST00000677647		Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0008312 [7S RNA binding] GO:0048500 [signal recognition particle] Show all	504 aa 55.7 kDa	No	0
SRP54-220 ENSP00000504550 ENST00000678627		Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0008312 [7S RNA binding] GO:0048500 [signal recognition particle] Show all	474 aa 52.3 kDa	No	0
SRP54-222 ENSP00000504518 ENST00000678963		Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Protein evidence (Ezkurdia et al 2014) Show all	GO:0003924 [GTPase activity] GO:0005525 [GTP binding] GO:0006614 [SRP-dependent cotranslational protein targeting to membrane] GO:0008312 [7S RNA binding] GO:0048500 [signal recognition particle] Show all	504 aa 55.7 kDa	No	0

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