Gene Gene information from NCBI Gene database.
Entrez ID 6674
Gene name Sperm associated antigen 1
Gene symbol SPAG1
Synonyms (NCBI Gene)
CILD28CT140DNAAF13HEL-S-268HSD-3.8SP75TPIS
Chromosome 8
Chromosome location 8q22.2
Summary The correlation of anti-sperm antibodies with cases of unexplained infertility implicates a role for these antibodies in blocking fertilization. Improved diagnosis and treatment of immunologic infertility, as well as identification of proteins for targete
SNPs SNP information provided by dbSNP.
12
SNP ID Visualize variation Clinical significance Consequence
rs201740530 C>T Pathogenic Non coding transcript variant, stop gained, intron variant, coding sequence variant, genic downstream transcript variant
rs397518458 T>G Pathogenic Non coding transcript variant, missense variant, initiator codon variant, intron variant
rs397518459 G>T Pathogenic Coding sequence variant, non coding transcript variant, stop gained
rs751845138 GAGTA>- Pathogenic Coding sequence variant, non coding transcript variant, frameshift variant
rs752479330 A>T Pathogenic Coding sequence variant, non coding transcript variant, stop gained, 5 prime UTR variant
miRNA miRNA information provided by mirtarbase database.
59
miRTarBase ID miRNA Experiments Reference
MIRT020441 hsa-miR-106b-5p Microarray 17242205
MIRT027357 hsa-miR-101-3p Sequencing 20371350
MIRT029638 hsa-miR-26b-5p Microarray 19088304
MIRT027357 hsa-miR-101-3p PAR-CLIP 20371350
MIRT561142 hsa-miR-144-3p PAR-CLIP 20371350
Gene ontology (GO) Gene Ontology (GO) annotations describing the biological processes, molecular functions, and cellular components associated with a gene.
15
GO ID Ontology Definition Evidence Reference
GO:0000166 Function Nucleotide binding IEA
GO:0005525 Function GTP binding IEA
GO:0005654 Component Nucleoplasm IDA
GO:0005737 Component Cytoplasm IDA 16983343
GO:0005737 Component Cytoplasm IEA
Other IDs Other IDs provides unique identifiers for this gene in OMIM, HGNC, and Ensembl databases.
MIM HGNC e!Ensembl
603395 11212 ENSG00000104450
Protein Protein information from UniProt database.
UniProt ID Unique identifier for the protein in the UniProt database. Click to view detailed protein information.
Q07617
Protein name Sperm-associated antigen 1 (HSD-3.8) (Infertility-related sperm protein Spag-1)
Protein function May play a role in the cytoplasmic assembly of the ciliary dynein arms (By similarity). May play a role in fertilization. Binds GTP and has GTPase activity.
PDB 6I57 , 7BEV
Family and domains

Pfam

Accession ID Position in sequence Description Type
PF00515 TPR_1 657 690 Tetratricopeptide repeat Repeat
PF13877 RPAP3_C 802 894 Potential Monad-binding region of RPAP3 Domain
Tissue specificity TISSUE SPECIFICITY: Present 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 no
Sequence
MTTKDYPSLWGFGTTKTFKIPIEHLDFKYIEKCSDVKHLEKILCVLRSGEEGYYPELTEF
CEKHLQALAPESRALRKDKPAATAASFTAEEWEKIDGDIKSWVSEIKKEEDKMHFHETET
FPAMKDNLPPVRGSNSCLHVGKEKYSKRPTKKKTPRDYAEWDKFDVEKECLKIDEDYKEK
TVIDKSHLSKIETRIDTAGLTEKEKDFLATREKEKGNEAFNSGDYEEAVMYYTRSISALP
TVVAYNNRAQAEIKLQNWNSAFQDCEKVLELEPGNVKALLRRATTYKHQNKLREATEDLS
KVLDVEPDNDLAKKTLSEVERDLKNSEAASETQTKGKRMVIQEIENSEDEEGKSGRKHED
GGGDKKPAEPAGAARAAQPCVMGNIQKKLTGKAEGGKRPARGAPQRGQTPEAGADKRSPR
RASAAAAAGGGATGHPGGGQGAENPAGLKSQGNELFRSGQFAEAAGKYSAAIALLEPAGS
EIADDLSILYSNRAACYLKEGNCSGCIQDCNRALELHPFSMKPLLRRAMAYETLEQYGKA
YVDYKTVLQIDCGLQLANDSVNRLSRILMELDGPNWREKLSPIPAVPASVPLQAWHPAKE
MISKQAGDSSSHRQQGITDEKTFKALKEEGNQCVNDKNYKDALSKYSECLKINNKECAIY
TNRALCYLKLCQFEEAKQDCDQALQLADGN
VKAFYRRALAHKGLKNYQKSLIDLNKVILL
DPSIIEAKMELEEVTRLLNLKDKTAPFNKEKERRKIEIQEVNEGKEEPGRPAGEVSMGCL
ASEKGGKSSRSPEDPEKLPIAKPNNAYEFGQIINALSTRKDKEACAHLLAITAPKDLPMF
LSNKLEGDTFLLLIQSLKNNLIEKDPSLVYQHLLYLSKAERFKMMLTLISKGQK
ELIEQL
FEDLSDTPNNHFTLEDIQALKRQYEL
Sequence length 926
Interactions View interactions
Associated diseases Disease associations from ClinVar (causal & non-causal) and other databases (OMIM, Orphanet, GWAS, etc.).
29
Evidence Score: ★☆☆☆☆  Gene-disease association found in Text Mining only ★★☆☆☆  Found in Text Mining and Unknown/Other Associations ★★★☆☆  Reported in Unknown/Other Associations across ≥2 Sources ★★★★☆  ClinVar: Pathogenic/Likely Pathogenic (<5 Variants) ★★★★★  ClinVar: Pathogenic/Likely Pathogenic (≥5 Variants)
Causal Diseases associated with Pathogenic or Likely Pathogenic variants in ClinVar
Phenotype Name Clinical Significance dbSNP ID RCV Accession Evidence Score
Autosomal dominant nocturnal frontal lobe epilepsy 5 Pathogenic; Likely pathogenic rs397518459, rs201740530, rs886037653 RCV000074365
RCV000074366
RCV000074367
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Kartagener syndrome Likely pathogenic; Pathogenic rs201740530 RCV000190929
★★★★☆
ClinVar: Pathogenic / Likely Pathogenic (<5 Variants)
Primary ciliary dyskinesia Pathogenic; Likely pathogenic rs770777381, rs1244721341, rs918324226, rs2489308738, rs751845138, rs201740530, rs934869420 RCV002386562
RCV001849570
RCV002383021
RCV002435790
RCV005268630
View all (2 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Primary ciliary dyskinesia 28 Pathogenic; Likely pathogenic rs2132258789, rs1819149009, rs1434601711, rs771209739, rs1244721341, rs1330765503, rs1818457032, rs2132442885, rs2132289617, rs918324226, rs973819096, rs751103088, rs1816195552, rs1254678434, rs2489513250
View all (27 more)
RCV001383103
RCV001390849
RCV002568301
RCV001785013
RCV001785014
View all (38 more)
★★★★★
ClinVar: Pathogenic / Likely Pathogenic (≥5 Variants)
Unknown / Other Associations ClinVar entries with uncertain/conflicting evidence, and associations from other databases (OMIM, Orphanet, GWAS, etc.) where the gene is not established as causal.
Phenotype Name Clinical Significance Source Evidence Score
Acute myeloid leukemia Likely benign; Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cervical cancer Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Cholangiocarcinoma Benign ClinVar
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
CILIARY DYSKINESIA, PRIMARY, 28 CTD, Disgenet, HPO
CTD, Disgenet, HPO
CTD, Disgenet, HPO
★★☆☆☆
Found in Text Mining + Unknown/Other Associations
Associations from Text Mining Disease associations identified through text mining
Disease Name Disease (Merged) Source PMID Relationship Type Evidence Score
Adenocarcinoma of pancreas Pancreatic adenocarcinoma BEFREE 16983343
★☆☆☆☆
Found in Text Mining only
Alzheimer Disease Alzheimer disease Pubtator 40183343 Associate
★☆☆☆☆
Found in Text Mining only
Asthenozoospermia Asthenozoospermia HPO_DG
★☆☆☆☆
Found in Text Mining only
Asthma Asthma HPO_DG
★☆☆☆☆
Found in Text Mining only
Bronchiectasis Bronchiectasis HPO_DG
★☆☆☆☆
Found in Text Mining only
Bronchitis, Chronic Gastric Cancer HPO_DG
★☆☆☆☆
Found in Text Mining only
Carcinoma Embryonal Embryonal carcinoma Pubtator 17993720 Associate
★☆☆☆☆
Found in Text Mining only
Chronic otitis media Otitis media HPO_DG
★☆☆☆☆
Found in Text Mining only
Chronic sinusitis Sinusitis HPO_DG
★☆☆☆☆
Found in Text Mining only
Ciliary Dyskinesia, Primary, 1, With Or Without Situs Inversus Ciliary Dyskinesia ORPHANET_DG 24055112
★☆☆☆☆
Found in Text Mining only