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Aliases for XKR4 Gene

Aliases for XKR4 Gene

  • XK, Kell Blood Group Complex Subunit-Related Family, Member 4 2 3
  • X Kell Blood Group Precursor-Related Family, Member 4 2 3
  • XRG4 3 4
  • XK-Related Protein 4 3
  • KIAA1889 4

External Ids for XKR4 Gene

Previous GeneCards Identifiers for XKR4 Gene

  • GC08P056178
  • GC08P056015
  • GC08P051483

Summaries for XKR4 Gene

GeneCards Summary for XKR4 Gene

XKR4 (XK, Kell Blood Group Complex Subunit-Related Family, Member 4) is a Protein Coding gene. An important paralog of this gene is XKR9.

No data available for Entrez Gene Summary , UniProtKB/Swiss-Prot , Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for XKR4 Gene

Genomics for XKR4 Gene

Regulatory Elements for XKR4 Gene

Epigenetics Products

  • DNA Methylation CpG Assay Predesigned for Pyrosequencing in human,mouse,rat

Genomic Location for XKR4 Gene

55,102,389 bp from pter
55,542,054 bp from pter
439,666 bases
Plus strand

Genomic View for XKR4 Gene

UCSC Golden Path with GeneCards custom track
Cytogenetic band:
Genomic Location for XKR4 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for XKR4 Gene

Proteins for XKR4 Gene

  • Protein details for XKR4 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    XK-related protein 4
    Protein Accession:
    Secondary Accessions:
    • Q96PZ8

    Protein attributes for XKR4 Gene

    650 amino acids
    Molecular mass:
    71501 Da
    Quaternary structure:
    No Data Available

neXtProt entry for XKR4 Gene

Proteomics data for XKR4 Gene at MOPED

Post-translational modifications for XKR4 Gene

  • Modification sites at PhosphoSitePlus
  • Modification sites at neXtProt

Other Protein References for XKR4 Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for XKR4 Gene

Domains for XKR4 Gene

Protein Domains for XKR4 Gene


Suggested Antigen Peptide Sequences for XKR4 Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the XK family.
  • Belongs to the XK family.
genes like me logo Genes that share domains with XKR4: view

Function for XKR4 Gene

Phenotypes for XKR4 Gene

genes like me logo Genes that share phenotypes with XKR4: view

Animal Model Products

miRNA for XKR4 Gene

miRTarBase miRNAs that target XKR4

No data available for Molecular function , Enzyme Numbers (IUBMB) , Gene Ontology (GO) - Molecular Function , Animal Models , Transcription Factor Targets and HOMER Transcription for XKR4 Gene

Localization for XKR4 Gene

Subcellular locations from UniProtKB/Swiss-Prot for XKR4 Gene

Membrane; Multi-pass membrane protein.

Subcellular locations from

Jensen Localization Image for XKR4 Gene COMPARTMENTS Subcellular localization image for XKR4 gene
Compartment Confidence
plasma membrane 3
cytoskeleton 2
nucleus 2
peroxisome 1

Gene Ontology (GO) - Cellular Components for XKR4 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0016021 integral component of membrane IEA --
genes like me logo Genes that share ontologies with XKR4: view

Pathways for XKR4 Gene

SuperPathways for XKR4 Gene

No Data Available

Interacting Proteins for XKR4 Gene

Gene Ontology (GO) - Biological Process for XKR4 Gene


No data available for Pathways by source for XKR4 Gene

Transcripts for XKR4 Gene

mRNA/cDNA for XKR4 Gene

(21) Selected AceView cDNA sequences:
(1) REFSEQ mRNAs :
(2) Additional mRNA sequences :
(3) Ensembl transcripts including schematic representations, and UCSC links where relevant :

Unigene Clusters for XKR4 Gene

XK, Kell blood group complex subunit-related family, member 4:
Representative Sequences:

Alternative Splicing Database (ASD) splice patterns (SP) for XKR4 Gene

No ASD Table

Relevant External Links for XKR4 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for XKR4 Gene

mRNA expression in normal human tissues for XKR4 Gene

mRNA expression in embryonic tissues and stem cells from LifeMap Discovery

mRNA differential expression in normal tissues according to GTEx for XKR4 Gene

This gene is overexpressed in Nerve - Tibial (5.5).

Protein differential expression in normal tissues for XKR4 Gene

This gene is overexpressed in Brain (64.5).

Integrated Proteomics: protein expression from ProteomicsDB and MOPED for XKR4 Gene

SOURCE GeneReport for Unigene cluster for XKR4 Gene Hs.130197

genes like me logo Genes that share expressions with XKR4: view

Expression partners for XKR4 Gene

* - Elite partner

Primer Products

In Situ Assay Products

No data available for mRNA Expression by UniProt/SwissProt for XKR4 Gene

Orthologs for XKR4 Gene

This gene was present in the common ancestor of animals.

Orthologs for XKR4 Gene

Organism Taxonomy Gene Similarity Type Details
(Bos Taurus)
Mammalia XKR4 35
  • 88.91 (n)
  • 92.25 (a)
XKR4 36
  • 94 (a)
(Canis familiaris)
Mammalia XKR4 35
  • 93.75 (n)
  • 96.76 (a)
XKR4 36
  • 91 (a)
(Mus musculus)
Mammalia Xkr4 35
  • 90.93 (n)
  • 94.9 (a)
Xkr4 16
Xkr4 36
  • 96 (a)
(Pan troglodytes)
Mammalia XKR4 35
  • 99.54 (n)
  • 99.54 (a)
XKR4 36
  • 100 (a)
(Rattus norvegicus)
Mammalia Xkr4 35
  • 90.67 (n)
  • 95.75 (a)
(Monodelphis domestica)
Mammalia -- 36
  • 96 (a)
-- 36
  • 85 (a)
(Ornithorhynchus anatinus)
Mammalia XKR4 36
  • 61 (a)
(Gallus gallus)
Aves LOC100858171 35
  • 84.18 (n)
  • 90.04 (a)
-- 36
  • 26 (a)
(Anolis carolinensis)
Reptilia XKR4 36
  • 95 (a)
tropical clawed frog
(Silurana tropicalis)
Amphibia xkr4 35
  • 77.78 (n)
  • 85.04 (a)
(Danio rerio)
Actinopterygii zgc:123035 35
  • 73.38 (n)
  • 80.03 (a)
zgc:123035 36
  • 70 (a)
fruit fly
(Drosophila melanogaster)
Insecta CG32579 36
  • 20 (a)
(Caenorhabditis elegans)
Secernentea ced-8 36
  • 22 (a)
Species with no ortholog for XKR4:
  • A. gosspyii yeast (Ashbya gossypii)
  • Actinobacteria (Mycobacterium tuberculosis)
  • African clawed frog (Xenopus laevis)
  • 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)
  • 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)
  • 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)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • rainbow trout (Oncorhynchus mykiss)
  • rice (Oryza sativa)
  • rice blast fungus (Magnaporthe grisea)
  • schistosome parasite (Schistosoma mansoni)
  • sea anemone (Nematostella vectensis)
  • sea squirt (Ciona intestinalis)
  • sea squirt (Ciona savignyi)
  • 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)

Evolution for XKR4 Gene

Gene Tree for XKR4 (if available)
Gene Tree for XKR4 (if available)

Paralogs for XKR4 Gene

Paralogs for XKR4 Gene

(2) SIMAP similar genes for XKR4 Gene using alignment to 1 proteins:

genes like me logo Genes that share paralogs with XKR4: view

Variants for XKR4 Gene

Sequence variations from dbSNP and Humsavar for XKR4 Gene

SNP ID Clin Chr 08 pos Sequence Context AA Info Type MAF
rs737392 -- 55,400,668(+) AAAAG(A/G)TCTCC intron-variant
rs869651 -- 55,341,294(+) ATTAC(A/G)TTACC intron-variant
rs883011 -- 55,265,565(+) AGAAA(A/G)GGAGG intron-variant
rs899915 -- 55,110,895(-) TAGAA(C/T)TGATG intron-variant
rs899916 -- 55,129,269(-) TCTTT(A/G)TCTTA intron-variant

Structural Variations from Database of Genomic Variants (DGV) for XKR4 Gene

Variant ID Type Subtype PubMed ID
esv267924 CNV Insertion 20981092
nsv8348 CNV Loss 18304495
esv2663524 CNV Deletion 23128226
esv2737012 CNV Deletion 23290073
esv4576 CNV Deletion 18987735
esv2668736 CNV Deletion 23128226
esv1133504 CNV Deletion 17803354
nsv6198 CNV Loss 18451855
esv2737013 CNV Deletion 23290073
nsv525982 CNV Loss 19592680
dgv1287e199 CNV Deletion 23128226
nsv516136 CNV Gain+Loss 19592680
esv2677140 CNV Deletion 23128226
esv2575236 CNV Deletion 19546169
esv2060022 CNV Deletion 18987734
esv5044 CNV Deletion 18987735
esv2737014 CNV Deletion 23290073
esv7601 CNV Loss 19470904
esv1014449 CNV Deletion 17803354
nsv398441 CNV Loss 16902084

Relevant External Links for XKR4 Gene

HapMap Linkage Disequilibrium report
Human Gene Mutation Database (HGMD)

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot for XKR4 Gene

Disorders for XKR4 Gene

Relevant External Links for XKR4

Genetic Association Database (GAD)
Human Genome Epidemiology (HuGE) Navigator

No disorders were found for XKR4 Gene.

No data available for MalaCards , OMIM , UniProtKB/Swiss-Prot , University of Copenhagen DISEASES , Novoseek inferred disease relationships and Genatlas for XKR4 Gene

Publications for XKR4 Gene

  1. Association of the NPAS3 gene and five other loci with response to the antipsychotic iloperidone identified in a whole genome association study. (PMID: 18521090) Lavedan C. … Polymeropoulos M.H. (Mol. Psychiatry 2009) 3 23 48
  2. Prediction of the coding sequences of unidentified human genes. XXI. The complete sequences of 60 new cDNA clones from brain which code for large proteins. (PMID: 11572484) Nagase T. … Ohara O. (DNA Res. 2001) 3 4
  3. Applicability of a genetic signature for enhanced iloperidone efficacy in the treatment of schizophrenia. (PMID: 19573479) Volpi S. … Lavedan C. (J Clin Psychiatry 2009) 3 48
  4. Personalized smoking cessation: interactions between nicotine dose, dependence and quit-success genotype score. (PMID: 20379614) Rose J.E. … Uhl G.R. (Mol. Med. 2010) 3 48
  5. Analysis of GWAS top hits in ADHD suggests association to two polymorphisms located in genes expressed in the cerebellum. (PMID: 20607790) Lantieri F. … Devoto M. (Am. J. Med. Genet. B Neuropsychiatr. Genet. 2010) 3

Products for XKR4 Gene

Sources for XKR4 Gene

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