ABCB4
HPA
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  • ABCB4
IMMUNE CELL CELL LINEAGES Show tissue menu
B-CELLS DENDRITIC CELLS GRANULOCYTES MONOCYTES NK-CELLS PROGENITORS T-CELLS TOTAL PBMC
Immune cells
Immune cell methods
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.

ABCB4
Gene descriptioni

Full gene name according to HGNC.

ATP binding cassette subfamily B member 4
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
Enzymes
Human disease related genes
Metabolic proteins
Plasma proteins
Potential drug targets
Transporters
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.

Membrane, Intracellular
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

6
HUMAN PROTEIN ATLAS INFORMATIONi

Summary of RNA expression and protein localization based on data generated within the Human Protein Atlas project.

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.

Hepatocytes - Bile production & excretion (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.

Cell type enriched (Hepatocytes)
Tau specificity scorei

Tau specificity score is a numerical indicator of the specificity of the gene expression across cells or tissues. The value ranges from 0 and 1, where 0 indicates identical expression across all cells/tissue types, while 1 indicates expression in a single cell/tissue type.

0.87
Brain cell type specificityi

The RNA specificity category is based on mRNA expression levels in the analyzed cell cluster types based on snRNA-seq data from brain samples. The categories include: cell type enriched, group enriched, cell type enhanced, low cell type specificity and not detected. "cell type" refer to one of the 34 cluster names used to summarize the 2.5 million cells included in the brain cell representation.

Cell type enhanced (Microglia, Vascular endothelial cells)
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.

Group enriched (naive B-cell, memory B-cell)
Protein evidencei

Evidence score for genes based on UniProt protein existence (UniProt evidence); neXtProt protein existence (neXtProt evidence);and a Human Protein Atlas antibody- or RNA based score (HPA evidence). The avaliable scores are evidence at protein level, evidence at transcript level, no evidence, or not avaliable.

Evidence at protein level
EXPRESSION CLUSTERING & CORRELATIONi

The RNA data was used to cluster genes according to their expression across samples. The resulting clusters have been manually annotated to describe common features in terms of function and specificity. The annotation of the cluster is displayed together with a confidence score of the gene's assignment to the cluster. The confidence is calculated as the fraction of times the gene was assigned to this cluster in repeated calculations and is reported between 0 to 1, where 1 is the highest possible confidence. The clustering results are shown in a UMAP, where the cluster this gene was assigned to is highlighted as a colored area in which most of the cluster genes reside. A table shows the 15 most similar genes in terms of expression profile.

ABCB4 is part of cluster 34 B-cells - Unknown function with confidencei

Confidence is the fraction of times a gene was assigned to the cluster in repeated clustering, and therefore reflects how strongly associated it is to the cluster. A confidence of 1 indicates that the gene was assigned to this cluster in all repeated clusterings.

1
112 genes in cluster
Go to interactive expression cluster page
15 nearest neighbours based on immune cell RNA expression
Neighbouri

Gene name according to HGNC.

Descriptioni

Gene description according to HGNC.

Correlationi

Correlation between the selected gene and neighboring gene. Correlation is calculated as Spearman correlation in PCA space based on the RNA-seq expression data.

Clusteri

ID of the expression cluster of the neighboring gene.

PIK3C2B Phosphatidylinositol-4-phosphate 3-kinase catalytic subunit type 2 beta 1.0000 34
SLC38A11 Solute carrier family 38 member 11 1.0000 34
APBB2 Amyloid beta precursor protein binding family B member 2 1.0000 34
BEND5 BEN domain containing 5 1.0000 34
SCN3A Sodium voltage-gated channel alpha subunit 3 1.0000 34
LIX1 Limb and CNS expressed 1 1.0000 34
SLC2A5 Solute carrier family 2 member 5 1.0000 34
CD72 CD72 molecule 1.0000 34
NT5E 5'-nucleotidase ecto 1.0000 34
CHL1 Cell adhesion molecule L1 like 1.0000 34
DBNDD1 Dysbindin domain containing 1 1.0000 34
HIP1R Huntingtin interacting protein 1 related 1.0000 34
BCAS4 Breast carcinoma amplified sequence 4 1.0000 34
CCN2 Cellular communication network factor 2 1.0000 34
ANGPTL1 Angiopoietin like 1 1.0000 34
IMMUNE CELL TYPE EXPRESSION (RNA)i

Immune cell type expression overview shows RNA-seq data from three different sources: Internally generated Human Protein Atlas HPA data, as well as data generated by Monaco et al and Schmiedel et al). Color-coding is based on immune cell type lineages, including B-cells, T-cells, NK-cells, monocytes, granulocytes and dendritic cells as well as total PBMC. To access sample data, click on tissue name or bar.

HPA dataseti

The resulting transcript expression values calculated as nTPM, resulting from the internal normalization pipeline for 18 immune cell types and total peripheral blood mononuclear cells (PBMC).

Lineage
Expression
Alphabetical
Immune cell type specificity: Group enriched (naive B-cell, memory B-cell)
Monaco dataseti

The transcript expression values (nTPM) resulting from the internal normalization pipeline are visualized for 29 blood cell types and total peripheral blood mononuclear cells (PBMC) from Monaco et al.

Lineage
Expression
Alphabetical
Schmiedel dataseti

Transcript Per Million (TPM) values are visualized for 15 blood cell types from the Schmiedel et al. dataset.

Lineage
Expression
Alphabetical

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