Free for academic non-profit institutions. Other users need a Commercial license

Aliases for SPANXB1 Gene

Aliases for SPANXB1 Gene

  • SPANX Family Member B1 2 3 4 5
  • Cancer/Testis Antigen Family 11, Member 2 2 3
  • Nuclear-Associated Protein SPAN-Xb 3 4
  • Cancer/Testis Antigen 11.2 3 4
  • SPANX Family, Member B2 2 3
  • SPANX Family, Member F2 2 3
  • SPANX Family Member F1 3 4
  • SPANXB2 3 4
  • SPANXF1 3 4
  • SPANX-B 3 4
  • CT11.2 3 4
  • SPANXB 3 4
  • Sperm Protein Associated With The Nucleus, X Chromosome, Family Member B1 3
  • Sperm Protein Associated With The Nucleus On The X Chromosome B/F 3
  • Sperm Protein Associated With The Nucleus On The X Chromosome B1 3
  • Nuclear-Associated Protein SPAN-Xf 3
  • SPANX Family, Member F1 2
  • SPANX Family, Member B1 2
  • SPANX Family Member B/F 3
  • SPANXF2 3
  • B1 3

External Ids for SPANXB1 Gene

Previous HGNC Symbols for SPANXB1 Gene


Previous GeneCards Identifiers for SPANXB1 Gene

  • GC0XP134615
  • GC0XP136942
  • GC0XP138029
  • GC0XP138790
  • GC0XP139810
  • GC0XP139913
  • GC0XP139925
  • GC0XP139927
  • GC0XP140096

Summaries for SPANXB1 Gene

Entrez Gene Summary for SPANXB1 Gene

  • Temporally regulated transcription and translation of several testis-specific genes is required to initiate the series of molecular and morphological changes in the male germ cell lineage necessary for the formation of mature spermatozoa. This gene is a member of the SPANX family of cancer/testis-associated genes, which are located in a cluster on chromosome X. The SPANX genes encode differentially expressed testis-specific proteins that localize to various subcellular compartments. This particular family member contains an additional 18 nucleotides in its coding region compared to the other family members in the same gene cluster. This family member is also subject to gene copy number variation. Although the protein encoded by this gene contains consensus nuclear localization signals, the major site for subcellular localization of expressed protein is in the cytoplasmic droplets of ejaculated spermatozoa. This protein provides a biochemical marker for studying the unique structures in spermatazoa, while attempting to further define its role in spermatogenesis. [provided by RefSeq, Apr 2014]

GeneCards Summary for SPANXB1 Gene

SPANXB1 (SPANX Family Member B1) is a Protein Coding gene. An important paralog of this gene is SPANXA2.

Additional gene information for SPANXB1 Gene

No data available for CIViC summary , UniProtKB/Swiss-Prot , Tocris Summary , Gene Wiki entry , PharmGKB "VIP" Summary , fRNAdb sequence ontologies and piRNA Summary for SPANXB1 Gene

Genomics for SPANXB1 Gene

GeneHancer (GH) Regulatory Elements for SPANXB1 Gene

Promoters and enhancers for SPANXB1 Gene
GeneHancer (GH) Identifier GH Type GH
GH Sources Gene Association Score Total Score TSS distance (kb) Number of Genes Away Size (kb) Transcription Factor
Binding Sites
Gene Targets
GH0XI141002 Promoter 0.5 EPDnew 550.8 +0.0 24 0.1 SPANXB1 RNU6-3P
- Elite GeneHancer and/or Elite GeneHancer-gene association Download GeneHancer data dump

GeneHancers around SPANXB1 on UCSC Golden Path with GeneCards custom track

Top Transcription factor binding sites by QIAGEN in the SPANXB1 gene promoter:

Genomic Locations for SPANXB1 Gene

Genomic Locations for SPANXB1 Gene
1,116 bases
Plus strand

Genomic View for SPANXB1 Gene

Genes around SPANXB1 on UCSC Golden Path with GeneCards custom track

Cytogenetic band:
SPANXB1 Gene in genomic location: bands according to Ensembl, locations according to GeneLoc (and/or Entrez Gene and/or Ensembl if different)
Genomic Location for SPANXB1 Gene
GeneLoc Logo Genomic Neighborhood Exon StructureGene Density

RefSeq DNA sequence for SPANXB1 Gene

Proteins for SPANXB1 Gene

  • Protein details for SPANXB1 Gene (UniProtKB/Swiss-Prot)

    Protein Symbol:
    Recommended name:
    Sperm protein associated with the nucleus on the X chromosome B1
    Protein Accession:
    Secondary Accessions:
    • A0A0G2JJ56
    • B2RPP2
    • Q32WQ7
    • Q5JYZ7
    • Q8TAD5

    Protein attributes for SPANXB1 Gene

    103 amino acids
    Molecular mass:
    11840 Da
    Quaternary structure:
    No Data Available

neXtProt entry for SPANXB1 Gene

Post-translational modifications for SPANXB1 Gene

No Post-translational modifications

Other Protein References for SPANXB1 Gene

ENSEMBL proteins:
REFSEQ proteins:

No data available for DME Specific Peptides for SPANXB1 Gene

Domains & Families for SPANXB1 Gene

Gene Families for SPANXB1 Gene

Human Protein Atlas (HPA):
  • Predicted intracellular proteins

Protein Domains for SPANXB1 Gene


Suggested Antigen Peptide Sequences for SPANXB1 Gene

GenScript: Design optimal peptide antigens:

Graphical View of Domain Structure for InterPro Entry



  • Belongs to the SPAN-X family.
  • Belongs to the SPAN-X family.
genes like me logo Genes that share domains with SPANXB1: view

Function for SPANXB1 Gene

Gene Ontology (GO) - Molecular Function for SPANXB1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0003674 molecular_function ND --
genes like me logo Genes that share ontologies with SPANXB1: view
genes like me logo Genes that share phenotypes with SPANXB1: view

Animal Model Products

Clone Products

No data available for Molecular function , Enzyme Numbers (IUBMB) , Phenotypes From GWAS Catalog , Human Phenotype Ontology , Animal Models , miRNA , Transcription Factor Targets and HOMER Transcription for SPANXB1 Gene

Localization for SPANXB1 Gene

Subcellular locations from UniProtKB/Swiss-Prot for SPANXB1 Gene

Cytoplasm. Nucleus. Note=Associated with nuclear craters.

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 SPANXB1 gene
Compartment Confidence
nucleus 5
mitochondrion 1
cytosol 1

Subcellular locations from the

Human Protein Atlas (HPA)
  • Nucleoplasm (3)
  • Vesicles (2)
See all subcellular structures

Gene Ontology (GO) - Cellular Components for SPANXB1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0005634 nucleus TAS 10906052
GO:0005737 cytoplasm IEA --
genes like me logo Genes that share ontologies with SPANXB1: view

Pathways & Interactions for SPANXB1 Gene

SuperPathways for SPANXB1 Gene

No Data Available

Interacting Proteins for SPANXB1 Gene

Gene Ontology (GO) - Biological Process for SPANXB1 Gene

GO ID Qualified GO term Evidence PubMed IDs
GO:0007286 spermatid development NAS 10906052
genes like me logo Genes that share ontologies with SPANXB1: view

No data available for Pathways by source and SIGNOR curated interactions for SPANXB1 Gene

Drugs & Compounds for SPANXB1 Gene

No Compound Related Data Available

Transcripts for SPANXB1 Gene

mRNA/cDNA for SPANXB1 Gene

(2) REFSEQ mRNAs :
(1) Ensembl transcripts including schematic representations, and UCSC links where relevant :

Clone Products

Alternative Splicing Database (ASD) splice patterns (SP) for SPANXB1 Gene

No ASD Table

Relevant External Links for SPANXB1 Gene

GeneLoc Exon Structure for
ECgene alternative splicing isoforms for

Expression for SPANXB1 Gene

mRNA expression in normal human tissues from GTEx, Illumina, BioGPS, and CGAP SAGE for SPANXB1 Gene

Protein differential expression in normal tissues from HIPED for SPANXB1 Gene

This gene is overexpressed in Testis (50.9) and Ovary (18.1).

Integrated Proteomics: protein expression in normal tissues and cell lines from ProteomicsDB, MaxQB, and MOPED for SPANXB1 Gene

Protein tissue co-expression partners for SPANXB1 Gene

NURSA nuclear receptor signaling pathways regulating expression of SPANXB1 Gene:


SOURCE GeneReport for Unigene cluster for SPANXB1 Gene:


mRNA Expression by UniProt/SwissProt for SPANXB1 Gene:

Tissue specificity: Detected in testis and sperm.
genes like me logo Genes that share expression patterns with SPANXB1: view

No data available for mRNA expression in embryonic tissues and stem cells from LifeMap Discovery , mRNA differential expression in normal tissues , Evidence on tissue expression from TISSUES and Phenotype-based relationships between genes and organs from Gene ORGANizer for SPANXB1 Gene

Orthologs for SPANXB1 Gene

This gene was present in the common ancestor of human and chimp.

Orthologs for SPANXB1 Gene

Organism Taxonomy Gene Similarity Type Details
(Pan troglodytes)
Mammalia -- 34
  • 73 (a)
Species where no ortholog for SPANXB1 was found in the sources mined by GeneCards:
  • 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)
  • chicken (Gallus gallus)
  • Chromalveolata (Phytophthora infestans)
  • common water flea (Daphnia pulex)
  • corn (Zea mays)
  • cow (Bos Taurus)
  • dog (Canis familiaris)
  • 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)
  • lizard (Anolis carolinensis)
  • loblloly pine (Pinus taeda)
  • malaria parasite (Plasmodium falciparum)
  • medicago trunc (Medicago Truncatula)
  • moss (Physcomitrella patens)
  • mouse (Mus musculus)
  • oppossum (Monodelphis domestica)
  • orangutan (Pongo pygmaeus)
  • pig (Sus scrofa)
  • platypus (Ornithorhynchus anatinus)
  • rainbow trout (Oncorhynchus mykiss)
  • rat (Rattus norvegicus)
  • 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)
  • tropical clawed frog (Silurana tropicalis)
  • wheat (Triticum aestivum)
  • worm (Caenorhabditis elegans)
  • zebrafish (Danio rerio)

Evolution for SPANXB1 Gene

Gene Tree for SPANXB1 (if available)
Gene Tree for SPANXB1 (if available)

Paralogs for SPANXB1 Gene

Paralogs for SPANXB1 Gene

(9) SIMAP similar genes for SPANXB1 Gene using alignment to 1 proteins:

genes like me logo Genes that share paralogs with SPANXB1: view

Variants for SPANXB1 Gene

Sequence variations from dbSNP and Humsavar for SPANXB1 Gene

SNP ID Clin Chr 0X pos Variation AA Info Type
rs200494574 -- 141,001,940(+) G/C upstream_transcript_variant
rs2315916 -- 141,002,800(+) C/T intron_variant
rs2315917 -- 141,002,535(+) T/C upstream_transcript_variant
rs2744405 -- 141,001,369(+) C/G upstream_transcript_variant
rs2744406 -- 141,001,327(+) C/T upstream_transcript_variant

Structural Variations from Database of Genomic Variants (DGV) for SPANXB1 Gene

Variant ID Type Subtype PubMed ID
nsv7462 OTHER inversion 18451855
nsv524931 CNV gain 19592680
nsv511087 OTHER complex 20534489
nsv433463 CNV gain 18776910
esv3577440 CNV gain 25503493
esv2758896 CNV gain+loss 17122850

Additional Variant Information for SPANXB1 Gene

SNPedia medical, phenotypic, and genealogical associations of SNPs for

No data available for Polymorphic Variants from UniProtKB/Swiss-Prot and Variation tolerance for SPANXB1 Gene

Disorders for SPANXB1 Gene

Additional Disease Information for SPANXB1

Genetic Association Database
Human Genome Epidemiology Navigator
ATLAS of Genetics and Cytogenetics in Oncology and Haematology

No disorders were found for SPANXB1 Gene.

No data available for MalaCards , UniProtKB/Swiss-Prot and Genatlas for SPANXB1 Gene

Publications for SPANXB1 Gene

  1. SPANX gene variation in fertile and infertile males. (PMID: 20073942) Hansen S … Carrell D (Systems biology in reproductive medicine 2010) 3 44 58
  2. The DNA sequence of the human X chromosome. (PMID: 15772651) Ross MT … Bentley DR (Nature 2005) 3 4 58
  3. Dynamic structure of the SPANX gene cluster mapped to the prostate cancer susceptibility locus HPCX at Xq27. (PMID: 16251457) Kouprina N … Larionov V (Genome research 2005) 3 4 58
  4. 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 58
  5. The human SPANX multigene family: genomic organization, alignment and expression in male germ cells and tumor cell lines. (PMID: 12758128) Zendman AJ … van Muijen GN (Gene 2003) 3 4 58

Products for SPANXB1 Gene

Sources for SPANXB1 Gene

Loading form....