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Gene: SPA17 (sperm autoantigenic protein 17) Homo sapiens
Symbol: SPA17
Name: sperm autoantigenic protein 17
Description: Predicted to have calmodulin binding activity. Predicted to be involved in single fertilization and spermatogenesis. Localizes to cytoplasm; sperm fibrous sheath; and sperm principal piece. Biomarker of Merkel cell carcinoma.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: cancer/testis antigen 22; CT22; SP17; SP17-1; sperm protein 17; sperm surface protein Sp17
Mus musculus (house mouse) : Spa17 (sperm autoantigenic protein 17)  MGI  Alliance
Rattus norvegicus (Norway rat) : Spa17 (sperm autoantigenic protein 17)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Spa17 (sperm autoantigenic protein 17)
Pan paniscus (bonobo/pygmy chimpanzee) : SPA17 (sperm autoantigenic protein 17)
Canis lupus familiaris (dog) : SPA17 (sperm autoantigenic protein 17)
Sus scrofa (pig) : SPA17 (sperm autoantigenic protein 17)
Chlorocebus sabaeus (African green monkey) : SPA17 (sperm autoantigenic protein 17)
Heterocephalus glaber (naked mole-rat) : Spa17 (sperm autoantigenic protein 17)
more info ...
Related Pseudogenes: SPA17P1  
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 Ensembl11124,673,798 - 124,697,518 (+)EnsemblGRCh38hg38GRCh38
GRCh3811124,673,904 - 124,697,518 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh3711124,543,740 - 124,564,690 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 3611124,048,950 - 124,069,900 (+)NCBINCBI36hg18NCBI36
Build 3411124,048,949 - 124,069,895NCBI
Celera11121,703,917 - 121,724,867 (+)NCBI
Cytogenetic Map11q24.2NCBI
HuRef11120,486,154 - 120,507,105 (+)NCBIHuRef
CHM1_111124,429,875 - 124,450,825 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
More on SPA17
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 1353517
Created: 2005-03-08
Species: Homo sapiens
Last Modified: 2020-06-18
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.