Aliases for BCAS4 Gene

Aliases for BCAS4 Gene

  • Breast Carcinoma Amplified Sequence 4 2 3 5
  • Breast Carcinoma-Amplified Sequence 4 3 4
  • CNOL 2 3
  • Breast Carcinoma Amplified Sequence 4/3 Fusion Protein 3
  • BCAS4/BCAS3 Fusion 3
  • FLJ20495 2
  • BCAS4 5

External Ids for BCAS4 Gene

Previous GeneCards Identifiers for BCAS4 Gene

  • GC20P049139
  • GC20P050049
  • GC20P050096
  • GC20P048844
  • GC20P049411
  • GC20P046159

Summaries for BCAS4 Gene

GeneCards Summary for BCAS4 Gene

BCAS4 (Breast Carcinoma Amplified Sequence 4) is a Protein Coding gene. An important paralog of this gene is BLOC1S4.

No data available for Entrez Gene Summary , CIViC Summary , UniProtKB/Swiss-Prot Summary , Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , Rfam classification and piRNA Summary for BCAS4 Gene

Genomics for BCAS4 Gene

GeneHancer (GH) Regulatory Elements Pubs

Promoters and enhancers for BCAS4 Gene
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data from 2017 publication | Request up-to-date GeneHancer data (full dataset)

GeneHancers around BCAS4 on the GeneHancer Hub at the UCSC Golden Path

Cistromic (ChIP-Seq) regulation report from SPP (The Signaling Pathways Project) for BCAS4

Top Transcription factor binding sites by QIAGEN in the BCAS4 gene promoter:
  • AhR
  • Arnt
  • CP2
  • Egr-1
  • Egr-2
  • Egr-3
  • Egr-4
  • GATA-1
  • Roaz

Genomic Locations for BCAS4 Gene

Genomic Locations for BCAS4 Gene
87,783 bases
Plus strand
82,284 bases
Plus strand

Genomic View for BCAS4 Gene

Genes around BCAS4 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
BCAS4 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for BCAS4 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for BCAS4 Gene

Proteins for BCAS4 Gene

  • Protein details for BCAS4 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Breast carcinoma-amplified sequence 4
    Protein Accession:
    Secondary Accessions:
    • Q5TD52
    • Q5TD53
    • Q5TD54
    • Q5U5K7
    • Q5XKE8
    • Q8IXI7
    • Q8NEZ6
    • Q8TDL9
    • Q9NX13
    • Q9Y511

    Protein attributes for BCAS4 Gene

    211 amino acids
    Molecular mass:
    22758 Da
    Quaternary structure:
    No Data Available
    • Sequence=AAH38381.1; Type=Erroneous initiation; Evidence={ECO:0000305}; Sequence=BAA91209.1; Type=Erroneous initiation; Evidence={ECO:0000305}; Sequence=CAD53579.1; Type=Erroneous initiation; Evidence={ECO:0000305};

    Alternative splice isoforms for BCAS4 Gene


neXtProt entry for BCAS4 Gene

Post-translational modifications for BCAS4 Gene

  • Modification sites at PhosphoSitePlus
  • Modification sites at neXtProt

No data available for DME Specific Peptides for BCAS4 Gene

Domains & Families for BCAS4 Gene

Gene Families for BCAS4 Gene

Human Protein Atlas (HPA):
  • Disease related genes
  • Predicted intracellular proteins

Protein Domains for BCAS4 Gene


Suggested Antigen Peptide Sequences for BCAS4 Gene

GenScript: Design optimal peptide antigens:
  • Breast carcinoma-amplified sequence 4 (BCAS4_HUMAN)

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the cappuccino family.
  • Belongs to the cappuccino family.
genes like me logo Genes that share domains with BCAS4: view

Function for BCAS4 Gene

Phenotypes From GWAS Catalog for BCAS4 Gene

genes like me logo Genes that share phenotypes with BCAS4: view

Animal Model Products

CRISPR Products

miRNA for BCAS4 Gene

miRTarBase miRNAs that target BCAS4

Inhibitory RNA Products

  • Search GeneCopoeia for shRNA, lentivirus and/or AAV clone products for BCAS4

No data available for Molecular function , Enzyme Numbers (IUBMB) , Gene Ontology (GO) - Molecular Function , Human Phenotype Ontology , Animal Models , Transcription Factor Targets and HOMER Transcription for BCAS4 Gene

Localization for BCAS4 Gene

Subcellular locations from UniProtKB/Swiss-Prot for BCAS4 Gene


Subcellular locations from

Extracellular space Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi Apparatus Nucleus Mitochondrion 0 1 2 3 4 5 Confidence
COMPARTMENTS Subcellular localization image for BCAS4 gene
Compartment Confidence
cytosol 4
cytoskeleton 2
nucleus 2
plasma membrane 1
extracellular 1
mitochondrion 1

Subcellular locations from the

Human Protein Atlas (HPA)
  • Cytosol (2)
  • Intermediate filaments (2)
See all subcellular structures

Gene Ontology (GO) - Cellular Components for BCAS4 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005737 cytoplasm IEA --
GO:0031083 BLOC-1 complex IBA 21873635
genes like me logo Genes that share ontologies with BCAS4: view

Pathways & Interactions for BCAS4 Gene

PathCards logo

SuperPathways for BCAS4 Gene

No Data Available

Gene Ontology (GO) - Biological Process for BCAS4 Gene


No data available for Pathways by source and SIGNOR curated interactions for BCAS4 Gene

Drugs & Compounds for BCAS4 Gene

No Compound Related Data Available

Transcripts for BCAS4 Gene

mRNA/cDNA for BCAS4 Gene

7 NCBI additional mRNA sequence :
6 Ensembl transcripts including schematic representations, and UCSC links to gene/alias where relevant :

CRISPR Products

Inhibitory RNA Products

  • Search GeneCopoeia for shRNA, lentivirus and/or AAV clone products for BCAS4

Alternative Splicing Database (ASD) splice patterns (SP) for BCAS4 Gene

ExUns: 1a · 1b · 1c ^ 2 ^ 3 ^ 4 ^ 5 ^ 6a · 6b · 6c
SP2: -
SP3: - -

Relevant External Links for BCAS4 Gene

GeneLoc Exon Structure for

Expression for BCAS4 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and SAGE for BCAS4 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

Protein differential expression in normal tissues from HIPED for BCAS4 Gene

This gene is overexpressed in Blymphocyte (69.0).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, MaxQB, and MOPED for BCAS4 Gene

Protein tissue co-expression partners for BCAS4 Gene

Transcriptomic regulation report from SPP (The Signaling Pathways Project) for BCAS4

SOURCE GeneReport for Unigene cluster for BCAS4 Gene:


mRNA Expression by UniProt/SwissProt for BCAS4 Gene:

Tissue specificity: Brain, thymus, spleen, kidney and placenta. Overexpressed in most breast cancer cell lines.

Evidence on tissue expression from TISSUES for BCAS4 Gene

  • Liver(4.1)
genes like me logo Genes that share expression patterns with BCAS4: view

Primer Products

No data available for mRNA differential expression in normal tissues and Phenotype-based relationships between genes and organs from Gene ORGANizer for BCAS4 Gene

Orthologs for BCAS4 Gene

This gene was present in the common ancestor of chordates.

Orthologs for BCAS4 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia BCAS4 30 31
  • 99.67 (n)
(Bos Taurus)
Mammalia BCAS4 30 31
  • 85.8 (n)
(Canis familiaris)
Mammalia BCAS4 30 31
  • 84.11 (n)
(Ornithorhynchus anatinus)
Mammalia BCAS4 31
  • 45 (a)
(Monodelphis domestica)
Mammalia BCAS4 31
  • 43 (a)
(Anolis carolinensis)
Reptilia BCAS4 31
  • 54 (a)
Tropical Clawed Frog
(Silurana tropicalis)
Amphibia LOC100490358 30
  • 56.62 (n)
African clawed frog
(Xenopus laevis)
Amphibia Xl.18159 30
Sea Squirt
(Ciona savignyi)
Ascidiacea -- 31
  • 25 (a)
Species where no ortholog for BCAS4 was found in the sources mined by GeneCards:
  • A. gosspyii yeast (Eremothecium gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African malaria mosquito (Anopheles gambiae)
  • Alicante grape (Vitis vinifera)
  • Alpha proteobacteria (Wolbachia pipientis)
  • Amoeba (Dictyostelium discoideum)
  • Archea (Pyrococcus horikoshii)
  • Baker's yeast (Saccharomyces cerevisiae)
  • Barley (Hordeum vulgare)
  • Beta proteobacteria (Neisseria meningitidis)
  • Bread mold (Neurospora crassa)
  • Chicken (Gallus gallus)
  • Chromalveolata (Phytophthora infestans)
  • Common water flea (Daphnia pulex)
  • Corn (Zea mays)
  • E. coli (Escherichia coli)
  • Filamentous fungi (Aspergillus nidulans)
  • Firmicute Bacteria (Streptococcus pneumoniae)
  • Fission Yeast (Schizosaccharomyces pombe)
  • Fruit Fly (Drosophila melanogaster)
  • Green Algae (Chlamydomonas reinhardtii)
  • Honey Bee (Apis mellifera)
  • K. Lactis Yeast (Kluyveromyces lactis)
  • Loblloly Pine (Pinus taeda)
  • Malaria Parasite (Plasmodium falciparum)
  • Medicago Trunc (Medicago Truncatula)
  • Moss (Physcomitrella patens)
  • Mouse (Mus musculus)
  • Orangutan (Pongo pygmaeus)
  • Pig (Sus scrofa)
  • Rainbow Trout (Oncorhynchus mykiss)
  • Rat (Rattus norvegicus)
  • Rice (Oryza sativa)
  • Rice Blast Fungus (Magnaporthe grisea)
  • Schistosome Parasite (Schistosoma mansoni)
  • Sea Anemone (Nematostella vectensis)
  • Sea Vase (Ciona intestinalis)
  • Sea Urchin (Strongylocentrotus purpuratus)
  • Sorghum (Sorghum bicolor)
  • Soybean (Glycine max)
  • Stem Rust Fungus (Puccinia graminis)
  • Sugarcane (Saccharum officinarum)
  • Thale Cress (Arabidopsis thaliana)
  • Tomato (Lycopersicon esculentum)
  • Toxoplasmosis (Toxoplasma gondii)
  • Trichoplax (Trichoplax adhaerens)
  • Wheat (Triticum aestivum)
  • Worm (Caenorhabditis elegans)
  • Zebrafish (Danio rerio)

Evolution for BCAS4 Gene

Gene Tree for BCAS4 (if available)
Gene Tree for BCAS4 (if available)
Evolutionary constrained regions (ECRs) for BCAS4: view image

Paralogs for BCAS4 Gene

Paralogs for BCAS4 Gene

(2) SIMAP similar genes for BCAS4 Gene using alignment to 3 proteins:

  • H7C4Y8_HUMAN
genes like me logo Genes that share paralogs with BCAS4: view

Variants for BCAS4 Gene

Sequence variations, with clinical significance, from ClinVar and Humsavar, with links to dbSNP for BCAS4 Gene

SNP ID Clinical significance and condition Chr 20 pos Variation AA Info Type
713432 Benign: not provided 50,841,889(+) T/A MISSENSE_VARIANT,INTRON_VARIANT
713433 Benign: not provided 50,841,890(+) C/A MISSENSE_VARIANT,INTRON_VARIANT
748265 Likely Benign: not provided 50,795,158(+) C/T SYNONYMOUS_VARIANT
779192 Benign: not provided 50,830,276(+) C/T INTRON_VARIANT
781500 Likely Benign: not provided 50,876,511(+) C/T MISSENSE_VARIANT,SYNONYMOUS_VARIANT

Additional dbSNP identifiers (rs#s) for BCAS4 Gene

Structural Variations from Database of Genomic Variants (DGV) for BCAS4 Gene

Variant ID Type Subtype PubMed ID
esv1413515 CNV insertion 17803354
esv2722504 CNV deletion 23290073
esv996532 CNV insertion 20482838
nsv1109381 CNV deletion 24896259
nsv1136549 CNV deletion 24896259
nsv513548 CNV insertion 21212237
nsv518896 CNV loss 19592680
nsv586178 CNV loss 21841781
nsv586179 CNV loss 21841781
nsv834001 CNV loss 17160897
nsv834002 CNV loss 17160897
nsv962589 CNV duplication 23825009

Variation tolerance for BCAS4 Gene

Residual Variation Intolerance Score: 78.6% of all genes are more intolerant (likely to be disease-causing)
Gene Damage Index Score: 6.18; 75.90% of all genes are more intolerant (likely to be disease-causing)

Additional Variant Information for BCAS4 Gene

SNPedia medical, phenotypic, and genealogical associations of SNPs for

SNP Genotyping and Copy Number Assay Products

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for BCAS4 Gene

Disorders for BCAS4 Gene


  • Note=A chromosomal aberration involving BCAS4 has been found in some breast carcinoma cell lines. Translocation t(17;20)(q23;q13) with BCAS3.

Additional Disease Information for BCAS4

No disorders were found for BCAS4 Gene.

No data available for MalaCards and Genatlas for BCAS4 Gene

Publications for BCAS4 Gene

  1. Cloning of BCAS3 (17q23) and BCAS4 (20q13) genes that undergo amplification, overexpression, and fusion in breast cancer. (PMID: 12378525) Bärlund M … Kallioniemi A (Genes, chromosomes & cancer 2002) 2 3 4 23
  2. Complete sequencing and characterization of 21,243 full-length human cDNAs. (PMID: 14702039) Ota T … Sugano S (Nature genetics 2004) 3 4
  3. The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). (PMID: 15489334) Gerhard DS … MGC Project Team (Genome research 2004) 3 4
  4. The DNA sequence and comparative analysis of human chromosome 20. (PMID: 11780052) Deloukas P … Rogers J (Nature 2001) 3 4
  5. A reference map of the human binary protein interactome. (PMID: 32296183) Luck K … Calderwood MA (Nature 2020) 3

Products for BCAS4 Gene

Sources for BCAS4 Gene