Gene Information
Gene NameSPAG1
OrganismHomo sapiens (Human)
Gene Length926
Protein NamesSperm-associated antigen 1 (HSD-3.8) (Infertility-related sperm protein Spag-1)
Target NameNA
Target TypeNA
Gene Age1488 ( ENSG00000104450 )
Evolutionary StageCellular_organisms
AlphaFoldDBQ07617
Gene CardSPAG1
Uniprot IDQ07617
PfamPF13877; PF00515; PF13181
In ASDno
Allosteric Predictionno (-1.287685627)
Ortholog in AnimalsAlpaca_ SPAG1 ( ortholog_one2one )
Dog_ SPAG1 ( ortholog_one2one )
GuineaPig_ SPAG1 ( ortholog_one2one )
Macaque_ SPAG1 ( ortholog_one2one )
Mouse_ Spag1 ( ortholog_one2one )
Pig_ SPAG1 ( ortholog_one2one )
Rat_ Spag1 ( ortholog_one2one )
Rabbit_ SPAG1 ( ortholog_one2one )
OhnologsTOMM34
ParalogsTTC1, TTC32, SUGT1, UNC45A, TTC4, TOMM34, SGTB, UNC45B, TOMM70, DNAAF4, TTC31, ST13, TTC12, STIP1, SPATA16, SGTA, RPAP3, STUB1
TissueNA
Tissue SpecificityPresent in most tissues, including lung, with the strongest expression in brain, colon, kidney, and testis. In sperm and testis, detected in particular in pachytene primary spermatocytes. Up-regulated in pancreatic tumor tissues and not in normal pancreatic tissue. {ECO:0000269|PubMed:11517287, ECO:0000269|PubMed:1299558, ECO:0000269|PubMed:16983343, ECO:0000269|PubMed:24055112}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 6I57  (NMR  7BEV  (NMR 
DBSNP rs17335870  rs6511  rs6510 
Subcellular location [CC]Cytoplasm {ECO:0000269|PubMed:11517287, ECO:0000269|PubMed:16983343}. Dynein axonemal particle {ECO:0000305}. Note=Colocalizes with tubulin.
Mouse PG classificationNA
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