GGTLC1 protein expression summary - The Human Protein Atlas

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GGTLC1

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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.	Gamma-glutamyltransferase light chain 1
Gene nameⁱ Official gene symbol, which is typically a short form of the gene name, according to HGNC.	GGTLC1 (dJ831C21.1, dJ831C21.2, GGTLA3, GGTLA4)
Tissue specificityⁱ The RNA specificity category is based on mRNA expression levels in the analyzed samples based on a combination of data from HPA, GTEX and FANTOM5. The categories include: tissue enriched, group enriched, tissue enhanced, low tissue specificity and not detected. Read more	Group enriched (lung, testis)
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 (Alveolar cells type 1, Late spermatids, Early spermatids)
Blood 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	Not detected in immune cells
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
Gene summary (Entrez)ⁱ Useful information about the gene from Entrez	This gene encodes a member of the gamma-glutamyl transpeptidase (GGT) family, which are important in the metabolism of glutathione. The most ubiquitously expressed human GGT gene, GGT1, encodes a single transmembrane polypeptide that is post-translationally processed to form a heavy and a light chain. In contrast, the product of this gene only contains homology to the light chain region, and lacks a transmembrane domain. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Oct 2008]... show less

TISSUE ATLASⁱ Summary of data presented in the Tissue Atlas and representative images of protein expression (left) and mRNA expression (right). The images are clickable and will redirect to more Tissue Atlas data. The Tissue Atlas 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 specificity (RNA)ⁱ The RNA specificity category is based on mRNA expression levels in the analyzed samples based on a combination of data from HPA, GTEX and FANTOM5. The categories include: tissue enriched, group enriched, tissue enhanced, low tissue specificity and not detected. Read more	Group enriched (lung, testis)
Tissue distribution (RNA)ⁱ The RNA distribution category is based on mRNA expression levels in the analyzed samples based on a combination of data from HPA, GTEX and FANTOM5. The categories include: detected in all, detected in many, detected in some, detected in single and not detected. Read more	Detected in some
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	Estimation of protein expression could not be performed. View primary data.

SINGLE CELL TYPE ATLASⁱ Summary of data presented in the Cell Type Atlas and an interactive image showing mRNA expression in cell type groups e.g. epithelial cells and germ cells. The image is clickable and will redirect to more Cell Type Atlas data. The Cell Type Atlas 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

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 (Alveolar cells type 1, Late spermatids, Early spermatids)
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.	Cell line enhanced (RPMI-8226, SK-BR-3, T-47d, U-2197)

PATHOLOGY ATLASⁱ Summary of data presented in the Pathology Atlas , 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 Atlas data. The Pathology Atlas 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 specificity (RNA)ⁱ 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	Cancer enriched (lung cancer)
Cancer distribution (RNA)ⁱ 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 some

No regional specificity can be calculated, but other data exist for this gene

BLOOD ATLASⁱ Summary of data presented in the Blood Atlas and a representative image of mRNA expression in immune cells in the blood. The image is clickable and will redirect to more Blood Atlas data. The Blood Atlas contains single cell type RNA information covering various immune cells in the blood, e.g. B-cells and granulocytes. Analysis of the human secretome (including annotation of the genes predicted to be actively secreted to human blood) and proteins detected in human blood are also presented. Read more

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	Not detected
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

CELL ATLASⁱ 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	Not available
Cell cycle dependencyⁱ Cell-cycle dependance of single-cell varations in RNA and/or protein expression as observed in an additional assay for characterizing single-cell varations. "NA" indicates a lack of such data. Read more	NA

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	GGTLC1 (HGNC Symbol)
Synonyms	dJ831C21.1, dJ831C21.2, GGTLA3, GGTLA4
Description	Gamma-glutamyltransferase light chain 1 (HGNC Symbol)
Chromosome	20
Cytoband	p11.21
Chromosome location (bp)	23985050 - 23988779
Number of transcriptsⁱ Number of protein-coding transcripts from the gene as defined by Ensembl.	3
Protein evidence	Evidence at protein level (all genes)
Protein classⁱ Assigned HPA protein class(es) for the encoded protein(s). Read more
Ensembl	ENSG00000149435 (version 92.38)
Entrez gene	92086
UniProt	Q9BX51 (UniProt - Evidence at transcript level)
neXtProt	NX_Q9BX51
Antibodypedia	GGTLC1 antibodies

PROTEIN BROWSERⁱ

GGTLC1-201

GGTLC1-202

GGTLC1-203

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)
GGTLC1-201 ENSP00000278765 ENST00000278765	Q9BX51 [Direct mapping] Glutathione hydrolase light chain 1 Show all	SPOCTOPUS predicted membrane proteins THUMBUP predicted membrane proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Mapped to neXtProt neXtProt - Evidence at transcript level Show all	GO:0003674 [molecular_function] GO:0005575 [cellular_component] GO:0006508 [proteolysis] GO:0006751 [glutathione catabolic process] GO:0008150 [biological_process] GO:0036374 [glutathione hydrolase activity] GO:1901750 [leukotriene D4 biosynthetic process] Show all	225 aa 24.3 kDa	No	0
GGTLC1-202 ENSP00000286890 ENST00000286890	Q9BX51 [Direct mapping] Glutathione hydrolase light chain 1 Show all	SPOCTOPUS predicted membrane proteins THUMBUP predicted membrane proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Mapped to neXtProt neXtProt - Evidence at transcript level Show all	GO:0003674 [molecular_function] GO:0005575 [cellular_component] GO:0006508 [proteolysis] GO:0006751 [glutathione catabolic process] GO:0008150 [biological_process] GO:0036374 [glutathione hydrolase activity] GO:1901750 [leukotriene D4 biosynthetic process] Show all	225 aa 24.3 kDa	No	0
GGTLC1-203 ENSP00000337587 ENST00000335694	Q9BX51 [Direct mapping] Glutathione hydrolase light chain 1 Show all	SPOCTOPUS predicted membrane proteins THUMBUP predicted membrane proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Mapped to neXtProt neXtProt - Evidence at transcript level Show all	GO:0003674 [molecular_function] GO:0005575 [cellular_component] GO:0006508 [proteolysis] GO:0006751 [glutathione catabolic process] GO:0008150 [biological_process] GO:0036374 [glutathione hydrolase activity] GO:1901750 [leukotriene D4 biosynthetic process] Show all	225 aa 24.3 kDa	No	0

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The Project

The Human Protein Atlas

The Human Protein Atlas project is funded
by the Knut & Alice Wallenberg Foundation.