Gene Information
Gene NameSPAG16
OrganismHomo sapiens (Human)
Gene Length631
Protein NamesSperm-associated antigen 16 protein (Pf20 protein homolog)
Target NameNA
Target TypeNA
Gene Age645 ( ENSG00000144451 )
Evolutionary StageEuk+Bac
AlphaFoldDBQ8N0X2
Gene CardSPAG16
Uniprot IDQ8N0X2
PfamPF00400
In ASDno
Allosteric Predictionno (-1.014156163)
Ortholog in AnimalsAlpaca_ SPAG16 ( ortholog_one2one )
Dog_ SPAG16 ( ortholog_one2one )
Macaque_ SPAG16 ( ortholog_one2one )
Mouse_ Spag16 ( ortholog_one2one )
Pig_ SPAG16 ( ortholog_one2one )
Rat_ Spag16 ( ortholog_one2one )
Rabbit_ SPAG16 ( ortholog_one2one )
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityIsoform 1 is detected in testis. Isoform 4 is detected in testis and brain, and at lower levels in kidney, heart, pancreas, thyroid, ovary, adrenal gland, spinal cord, trachea and liver. {ECO:0000269|PubMed:11867345, ECO:0000269|PubMed:12391165}.
Pharmacological Animal ModelsNULL(Chimpanzee);NULL(Mouse);0.001000(Rat);NULL(Rabbit)
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs10167688  rs2042791  rs12623569 
Subcellular location [CC]Cytoplasm {ECO:0000250|UniProtKB:Q8K450}. Cytoplasm, cytoskeleton, flagellum axoneme {ECO:0000250|UniProtKB:Q8K450}. Cytoplasm, cytoskeleton, cilium axoneme {ECO:0000250|UniProtKB:Q8K450}. Cell projection, cilium, flagellum {ECO:0000250|UniProtKB:Q8K450}. Note=Detected on the sperm flagellum axoneme. Detected in the central apparatus of the axoneme. Colocalizes with SPAG6 on microtubules (By similarity). {ECO:0000250|UniProtKB:Q8K450}.
Mouse PG classificationNA
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