SPMIP7
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Summary
SPMIP7 (sperm microtubule inner protein 7, HGNC:22564) is a protein-coding gene on chromosome 7p12.2, encoding Protein SPMIP7 (A4D263). Essential for normal spermatogenesis.
Predicted to be involved in spermatogenesis.
Source: NCBI Gene 100130988 — RefSeq curated summary.
At a glance
- GWAS associations: 37
- Clinical variants (ClinVar): 8 total
- MANE Select transcript:
NM_001161834
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:22564 |
| Approved symbol | SPMIP7 |
| Name | sperm microtubule inner protein 7 |
| Location | 7p12.2 |
| Locus type | gene with protein product |
| Status | Approved |
| Ensembl gene | ENSG00000164500 |
| Ensembl biotype | protein_coding |
| Entrez | 100130988 |
Gene structure
Transcript identifiers
Ensembl transcripts: 1 — 1 protein_coding
ENST00000297001
RefSeq mRNA: 1 — MANE Select: NM_001161834
NM_001161834
CCDS: CCDS47585
Canonical transcript exons
ENST00000297001 — 9 exons
| Exon | Start | End |
|---|---|---|
| ENSE00001084905 | 50136098 | 50136165 |
| ENSE00001244823 | 50140140 | 50140181 |
| ENSE00001244835 | 50151450 | 50151557 |
| ENSE00001326900 | 50159046 | 50159256 |
| ENSE00001607716 | 50095883 | 50096638 |
| ENSE00001608378 | 50129717 | 50129793 |
| ENSE00001617045 | 50141281 | 50141388 |
| ENSE00001805219 | 50134108 | 50134246 |
| ENSE00001806267 | 50104314 | 50104411 |
Expression profiles
Bgee: expression breadth broad, 19 present calls, max score 62.64.
FANTOM5 (CAGE): breadth tissue_specific, TPM avg 0.0106 / max 7.6684, expressed in 3 samples.
FANTOM5 promoters (1 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 78613 | 0.0106 | 3 |
Top tissues by expression
123 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| left testis | UBERON:0004533 | 62.64 | gold quality |
| testis | UBERON:0000473 | 62.47 | gold quality |
| right testis | UBERON:0004534 | 61.92 | gold quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 54.83 | gold quality |
| nucleus accumbens | UBERON:0001882 | 48.03 | gold quality |
| colonic epithelium | UBERON:0000397 | 41.66 | gold quality |
| caudate nucleus | UBERON:0001873 | 40.19 | gold quality |
| putamen | UBERON:0001874 | 39.25 | gold quality |
| duodenum | UBERON:0002114 | 39.14 | gold quality |
| amygdala | UBERON:0001876 | 39.04 | gold quality |
| temporal lobe | UBERON:0001871 | 38.92 | gold quality |
| lymph node | UBERON:0000029 | 38.74 | gold quality |
| pituitary gland | UBERON:0000007 | 37.03 | gold quality |
| ventricular zone | UBERON:0003053 | 36.48 | gold quality |
| cortical plate | UBERON:0005343 | 36.47 | gold quality |
| bone marrow cell | CL:0002092 | 36.16 | gold quality |
| adenohypophysis | UBERON:0002196 | 35.63 | gold quality |
| ganglionic eminence | UBERON:0004023 | 35.49 | gold quality |
| tonsil | UBERON:0002372 | 34.98 | gold quality |
| monocyte | CL:0000576 | 34.91 | gold quality |
| leukocyte | CL:0000738 | 34.25 | gold quality |
| prefrontal cortex | UBERON:0000451 | 34.06 | silver quality |
| vermiform appendix | UBERON:0001154 | 33.47 | silver quality |
| skeletal muscle tissue | UBERON:0001134 | 33.38 | gold quality |
| mucosa of stomach | UBERON:0001199 | 32.71 | gold quality |
| hindlimb stylopod muscle | UBERON:0004252 | 32.15 | gold quality |
| muscle tissue | UBERON:0002385 | 32.14 | gold quality |
| brain | UBERON:0000955 | 32.05 | gold quality |
| bone marrow | UBERON:0002371 | 31.74 | gold quality |
| sural nerve | UBERON:0015488 | 30.93 | gold quality |
Single-cell (SCXA)
Detected in 1 experiment(s), a significant marker in 1.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-ANND-3 | yes | 4.11 |
Regulation
Is transcription factor: no
Literature-anchored findings (GeneRIF, showing 1)
- In humans and mice with azoospermia, expression of SPATA48 disappeared in the testis. (PMID:29700843)
Cross-species orthologs
3 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| danio_rerio | SPMIP7 | ENSDARG00000109818 |
| mus_musculus | Spmip7 | ENSMUSG00000020191 |
| rattus_norvegicus | Spmip7 | ENSRNOG00000037621 |
Protein
Protein identifiers
Protein SPMIP7 — A4D263 (reviewed: A4D263)
Alternative names: Sperm microtubule inner protein 7, Spermatogenesis-associated protein 48
All UniProt accessions (1): A4D263
UniProt curated annotations — full annotation on UniProt →
Function. Essential for normal spermatogenesis.
Tissue specificity. Testis-specific.
Induction. Down-regulated expression in testicular samples of azoospermic men.
RefSeq proteins (1): NP_001155306* (*=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR027867 | SPATA48 | Family |
Pfam: PF15073
UniProt features (3 total): sequence conflict 2, chain 1
Structure
Experimental structures (PDB)
0 structures.
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-A4D263-F1 | 55.76 | 0.00 |
Function
Pathways and Gene Ontology
Reactome pathways
0 pathways
MSigDB gene sets: 19 (showing top):
GOBP_MALE_GAMETE_GENERATION, GOBP_DEVELOPMENTAL_PROCESS_INVOLVED_IN_REPRODUCTION, ZHENG_BOUND_BY_FOXP3, chr7p12, DESCARTES_MAIN_FETAL_EPICARDIAL_FAT_CELLS, GOBP_SEXUAL_REPRODUCTION, GSE26669_CD4_VS_CD8_TCELL_IN_MLR_COSTIM_BLOCK_UP, GSE27786_BCELL_VS_CD4_TCELL_UP, GOBP_REPRODUCTIVE_PROCESS, GOBP_MULTICELLULAR_ORGANISMAL_REPRODUCTIVE_PROCESS, GSE8835_CD4_VS_CD8_TCELL_DN, GSE2585_CTEC_VS_THYMIC_DC_UP, GSE5455_HEALTHY_VS_TUMOR_BEARING_MOUSE_SPLEEN_MONOCYTE_24H_INCUBATION_UP, GSE16385_MONOCYTE_VS_MACROPHAGE_DN, GSE25123_CTRL_VS_IL4_AND_ROSIGLITAZONE_STIM_MACROPHAGE_DN
GO Biological Process (2): spermatogenesis (GO:0007283), cell differentiation (GO:0030154)
GO Molecular Function (0):
GO Cellular Component (0):
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| developmental process involved in reproduction | 1 |
| male gamete generation | 1 |
| cellular developmental process | 1 |
Protein interactions and networks
STRING
252 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| SPMIP7 | PRR35 | P0CG20 | 616 |
| SPMIP7 | KBTBD12 | Q3ZCT8 | 554 |
| SPMIP7 | RRP36 | Q96EU6 | 538 |
| SPMIP7 | FIGNL1 | Q6PIW4 | 520 |
| SPMIP7 | KLHDC8B | Q8IXV7 | 517 |
| SPMIP7 | ZPBP | Q9BS86 | 501 |
| SPMIP7 | TOGARAM1 | Q9Y4F4 | 501 |
| SPMIP7 | TRAPPC6B | Q86SZ2 | 492 |
| SPMIP7 | SIRAL2 | Q9NWS6 | 476 |
| SPMIP7 | KCNG3 | Q8TAE7 | 475 |
| SPMIP7 | SIPA1L2 | Q9P2F8 | 472 |
| SPMIP7 | THSD7A | Q9UPZ6 | 457 |
| SPMIP7 | DNASE2 | O00115 | 455 |
| SPMIP7 | RAB11FIP3 | O75154 | 452 |
| SPMIP7 | VWC2 | Q2TAL6 | 416 |
IntAct
4 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| SPMIP7 | MAGT1 | psi-mi:“MI:0915”(physical association) | 0.400 |
| SPMIP7 | ZMPSTE24 | psi-mi:“MI:0915”(physical association) | 0.400 |
| SPMIP7 | RPLP2 | psi-mi:“MI:0915”(physical association) | 0.400 |
ESM2 similar proteins: A0A1B0GTD5, A0A1B0GUX0, A0A3Q1MT14, A4D263, A6NL82, A6QQL5, A8QW39, B0UXH9, B5X5D0, B9EJX3, E1B9R1, F1MMV1, Q148A4, Q1JPL0, Q2T9T0, Q32KQ1, Q32L72, Q32L77, Q32P67, Q3V0J4, Q5BN46, Q5NC57, Q5NC83, Q5SPV6, Q5SS90, Q5SVJ3, Q5VTT2, Q5VZQ5, Q66HC0, Q66HR9, Q6AYM0, Q6NXP0, Q6P3G4, Q6ZVS7, Q80X60, Q8CDT5, Q8CDU5, Q8N5S3, Q8N7U6, Q8N865
Diamond homologs: A4D263, Q5NC83
SIGNOR signaling
0 interactions.
Disease & clinical
Clinical variants and AI predictions
ClinVar
8 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 5 |
| Likely benign | 0 |
| Benign | 0 |
Top pathogenic / likely-pathogenic (0)
SpliceAI
1344 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 7:50104407:GTACA:G | donor_gain | 1.0000 |
| 7:50104412:G:GG | donor_gain | 1.0000 |
| 7:50141385:GTCG:G | donor_gain | 1.0000 |
| 7:50151435:A:AG | acceptor_gain | 1.0000 |
| 7:50151448:A:AG | acceptor_gain | 1.0000 |
| 7:50151449:G:GG | acceptor_gain | 1.0000 |
| 7:50151558:G:GA | donor_loss | 1.0000 |
| 7:50151558:G:GG | donor_gain | 1.0000 |
| 7:50151559:TAA:T | donor_loss | 1.0000 |
| 7:50104362:G:GT | donor_gain | 0.9900 |
| 7:50104370:T:TG | donor_gain | 0.9900 |
| 7:50104397:G:GT | donor_gain | 0.9900 |
| 7:50104430:T:TA | donor_gain | 0.9900 |
| 7:50104431:G:GA | donor_gain | 0.9900 |
| 7:50141271:A:AG | acceptor_gain | 0.9900 |
| 7:50141272:T:G | acceptor_gain | 0.9900 |
| 7:50141276:A:AG | acceptor_gain | 0.9900 |
| 7:50141279:A:AG | acceptor_gain | 0.9900 |
| 7:50141279:AGT:A | acceptor_gain | 0.9900 |
| 7:50141280:G:GA | acceptor_gain | 0.9900 |
| 7:50141280:GT:G | acceptor_gain | 0.9900 |
| 7:50141280:GTG:G | acceptor_gain | 0.9900 |
| 7:50141280:GTGGT:G | acceptor_gain | 0.9900 |
| 7:50151436:A:G | acceptor_gain | 0.9900 |
| 7:50151449:GT:G | acceptor_gain | 0.9900 |
| 7:50151553:CACCG:C | donor_gain | 0.9900 |
| 7:50151555:CCG:C | donor_gain | 0.9900 |
| 7:50151556:CG:C | donor_gain | 0.9900 |
| 7:50151557:GG:G | donor_gain | 0.9900 |
| 7:50151560:AA:A | donor_loss | 0.9900 |
AlphaMissense
2872 scored. Top likely-pathogenic:
| Variant | Protein change | am_pathogenicity |
|---|---|---|
| 7:50096419:A:C | S112R | 0.972 |
| 7:50096421:T:A | S112R | 0.972 |
| 7:50096421:T:G | S112R | 0.972 |
| 7:50134127:T:A | W250R | 0.970 |
| 7:50134127:T:C | W250R | 0.970 |
| 7:50159134:T:C | F428L | 0.957 |
| 7:50159136:C:A | F428L | 0.957 |
| 7:50159136:C:G | F428L | 0.957 |
| 7:50140144:A:C | S314R | 0.941 |
| 7:50140146:T:A | S314R | 0.941 |
| 7:50140146:T:G | S314R | 0.941 |
| 7:50096590:T:A | W169R | 0.940 |
| 7:50096590:T:C | W169R | 0.940 |
| 7:50134129:G:C | W250C | 0.936 |
| 7:50134129:G:T | W250C | 0.936 |
| 7:50136164:T:C | F312L | 0.925 |
| 7:50140140:T:A | F312L | 0.925 |
| 7:50140140:T:G | F312L | 0.925 |
| 7:50096284:T:C | F67L | 0.915 |
| 7:50096286:T:A | F67L | 0.915 |
| 7:50096286:T:G | F67L | 0.915 |
| 7:50159130:C:A | N426K | 0.913 |
| 7:50159130:C:G | N426K | 0.913 |
| 7:50136122:T:C | F298L | 0.906 |
| 7:50136124:T:A | F298L | 0.906 |
| 7:50136124:T:G | F298L | 0.906 |
| 7:50096275:T:C | F64L | 0.905 |
| 7:50096277:T:A | F64L | 0.905 |
| 7:50096277:T:G | F64L | 0.905 |
| 7:50096592:G:C | W169C | 0.900 |
dbSNP variants (sampled 300 via entrez): RS1000000584 (7:50094801 T>C), RS1000055926 (7:50135091 T>C,G), RS1000077558 (7:50140621 A>C), RS1000078502 (7:50109072 C>A), RS1000102925 (7:50123970 A>C,T), RS1000177584 (7:50102161 TA>T), RS1000252010 (7:50107097 T>G), RS1000323018 (7:50142400 A>C), RS1000327839 (7:50095309 T>A), RS1000372754 (7:50114663 A>G), RS1000381650 (7:50095565 A>C), RS1000383541 (7:50152371 T>C), RS1000548928 (7:50118801 G>A), RS1000550963 (7:50149128 C>G,T), RS1000552895 (7:50101008 G>A)
Disease associations
OMIM: gene `` | disease phenotypes:
GenCC curated gene-disease
Mondo (0):
Orphanet (0):
HPO phenotypes
0 total (0 of 0 shown, HPO-id order):
GWAS associations
37 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST003599_8 | Systemic lupus erythematosus | 2.000000e-16 |
| GCST003995_13 | Tonsillectomy | 1.000000e-11 |
| GCST004131_94 | Inflammatory bowel disease | 5.000000e-11 |
| GCST004132_57 | Crohn’s disease | 9.000000e-12 |
| GCST004785_10 | Vitiligo | 2.000000e-07 |
| GCST004861_92 | Itch intensity from mosquito bite | 3.000000e-12 |
| GCST004862_6 | Itch intensity from mosquito bite adjusted by bite size | 1.000000e-07 |
| GCST004862_80 | Itch intensity from mosquito bite adjusted by bite size | 1.000000e-07 |
| GCST004863_95 | Mosquito bite size | 1.000000e-08 |
| GCST005014_146 | Tonsillectomy | 1.000000e-11 |
| GCST005038_115 | Allergic disease (asthma, hay fever or eczema) | 6.000000e-11 |
| GCST005537_211 | Chronic inflammatory diseases (ankylosing spondylitis, Crohn’s disease, psoriasis, primary sclerosing cholangitis, ulcerative colitis) (pleiotropy) | 2.000000e-09 |
| GCST005752_165 | Systemic lupus erythematosus | 3.000000e-14 |
| GCST005752_56 | Systemic lupus erythematosus | 1.000000e-06 |
| GCST005950_9 | Body mass index x sex x age interaction (4df test) | 2.000000e-09 |
| GCST005951_200 | Body mass index | 2.000000e-08 |
| GCST005951_57 | Body mass index | 3.000000e-10 |
| GCST005953_3 | Body mass index (age <50) | 8.000000e-10 |
| GCST005977_2 | Monocyte count | 1.000000e-10 |
| GCST005987_44 | Albumin-globulin ratio | 5.000000e-23 |
| GCST005989_18 | Serum total protein levels | 1.000000e-10 |
| GCST005990_30 | Non-albumin protein levels | 1.000000e-23 |
| GCST005999_15 | Aspartate aminotransferase levels | 3.000000e-08 |
| GCST006005_12 | High density lipoprotein cholesterol levels | 5.000000e-10 |
| GCST006034_22 | Total cholesterol levels | 8.000000e-09 |
| GCST006097_4 | Moderate to vigorous physical activity levels | 6.000000e-10 |
| GCST009066_11 | Mosaic loss of chromosome Y (Y chromosome dosage) | 4.000000e-19 |
| GCST009067_13 | Mosaic loss of chromosome Y (Y chromosome dosage) | 4.000000e-21 |
| GCST009597_10 | Multiple sclerosis | 3.000000e-16 |
| GCST009597_4 | Multiple sclerosis | 8.000000e-11 |
EFO canonical traits (16, from GWAS)
| EFO ID | Trait name |
|---|---|
| EFO:0007924 | tonsillectomy risk measurement |
| EFO:0008377 | mosquito bite reaction itch intensity measurement |
| EFO:0008378 | mosquito bite reaction size measurement |
| EFO:0004340 | body mass index |
| EFO:0008007 | age at assessment |
| EFO:0008343 | sex interaction measurement |
| EFO:0005091 | monocyte count |
| EFO:0005128 | albumin:globulin ratio measurement |
| EFO:0004736 | aspartate aminotransferase measurement |
| EFO:0004612 | high density lipoprotein cholesterol measurement |
| EFO:0004574 | total cholesterol measurement |
| EFO:0008002 | physical activity measurement |
| EFO:0007783 | mosaic loss of chromosome Y measurement |
| EFO:0004614 | apolipoprotein A 1 measurement |
| EFO:0004847 | age at onset |
| EFO:0004842 | eosinophil count |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (VIP=true, CPIC=false)
CTD chemical–gene interactions
2 total (human), top 2 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| Arsenic | affects methylation | 1 |
| Valproic Acid | decreases methylation | 1 |
Clinical trials (associated diseases)
0 trials via MONDO — disease-level, not drug-specific.
Related Atlas pages
- Disease cohort memberships (association, not causation — diseases whose associated-gene cohort lists this gene; a subset are also under Associated diseases): basal cell carcinoma, sclerosing cholangitis, vitiligo