TEX101
gene geneOn this page
Also known as MGC4766SGRGCT131SPATA44TES101RP
Summary
TEX101 (testis expressed 101, HGNC:30722) is a protein-coding gene on chromosome 19q13.31, encoding Testis-expressed protein 101 (Q9BY14). Plays a role in fertilization by controlling binding of sperm to zona pellucida and migration of spermatozoa into the oviduct.
Predicted to be involved in binding activity of sperm to zona pellucida; flagellated sperm motility; and regulation of flagellated sperm motility. Predicted to be located in acrosomal vesicle; extracellular region; and plasma membrane. Predicted to be active in plasma membrane raft.
Source: NCBI Gene 83639 — RefSeq curated summary.
At a glance
- GWAS associations: 1
- Clinical variants (ClinVar): 40 total
- MANE Select transcript:
NM_001130011
Identifiers
Gene identifiers
| Field | Value |
|---|---|
| HGNC ID | HGNC:30722 |
| Approved symbol | TEX101 |
| Name | testis expressed 101 |
| Location | 19q13.31 |
| Locus type | gene with protein product |
| Status | Approved |
| Aliases | MGC4766, SGRG, CT131, SPATA44, TES101RP |
| Ensembl gene | ENSG00000131126 |
| Ensembl biotype | protein_coding |
| OMIM | 612665 |
| Entrez | 83639 |
Gene structure
Transcript identifiers
Ensembl transcripts: 5 — 4 protein_coding, 1 protein_coding_CDS_not_defined
ENST00000598265, ENST00000601707, ENST00000602198, ENST00000917590, ENST00000945096
RefSeq mRNA: 2 — MANE Select: NM_001130011
NM_001130011, NM_031451
CCDS: CCDS12619, CCDS59393
Canonical transcript exons
ENST00000598265 — 6 exons
| Exon | Start | End |
|---|---|---|
| ENSE00003182671 | 43414890 | 43415038 |
| ENSE00003484868 | 43418168 | 43418597 |
| ENSE00003664837 | 43416099 | 43416242 |
| ENSE00003665051 | 43416373 | 43416555 |
| ENSE00003671875 | 43415881 | 43415983 |
| ENSE00003693715 | 43417878 | 43418006 |
Expression profiles
Bgee: expression breadth ubiquitous, 152 present calls, max score 98.70.
FANTOM5 (CAGE): breadth tissue_specific, TPM avg 0.1059 / max 118.6354, expressed in 4 samples.
FANTOM5 promoters (3 alternative TSS)
| Promoter ID | TPM avg | Samples expressed |
|---|---|---|
| 176189 | 0.0672 | 4 |
| 176190 | 0.0338 | 3 |
| 176191 | 0.0049 | 3 |
Top tissues by expression
247 total, by Bgee expression score (0-100, higher = more expressed):
| Tissue | Anatomy ID | Expression score | Quality |
|---|---|---|---|
| right testis | UBERON:0004534 | 98.70 | gold quality |
| left testis | UBERON:0004533 | 98.11 | gold quality |
| testis | UBERON:0000473 | 95.16 | gold quality |
| calcaneal tendon | UBERON:0003701 | 88.84 | gold quality |
| adult organism | UBERON:0007023 | 87.35 | gold quality |
| male germ line stem cell (sensu Vertebrata) in testis | CL:0000089 ∩ UBERON:0000473 | 86.40 | gold quality |
| buccal mucosa cell | CL:0002336 | 82.75 | gold quality |
| tendon | UBERON:0000043 | 82.64 | gold quality |
| primordial germ cell in gonad | CL:0000670 ∩ UBERON:0000991 | 78.84 | gold quality |
| tendon of biceps brachii | UBERON:0008188 | 73.57 | gold quality |
| lower esophagus mucosa | UBERON:0035834 | 73.52 | gold quality |
| sperm | CL:0000019 | 71.29 | silver quality |
| sural nerve | UBERON:0015488 | 69.44 | gold quality |
| hindlimb stylopod muscle | UBERON:0004252 | 69.34 | gold quality |
| secondary oocyte | CL:0000655 | 67.01 | silver quality |
| esophagus mucosa | UBERON:0002469 | 67.01 | gold quality |
| epithelial cell of pancreas | CL:0000083 | 66.53 | gold quality |
| pancreatic ductal cell | CL:0002079 | 66.24 | silver quality |
| kidney epithelium | UBERON:0004819 | 66.01 | gold quality |
| oocyte | CL:0000023 | 65.68 | silver quality |
| gingival epithelium | UBERON:0001949 | 65.60 | silver quality |
| gingiva | UBERON:0001828 | 65.03 | silver quality |
| esophagus squamous epithelium | UBERON:0006920 | 65.03 | silver quality |
| endothelial cell | CL:0000115 | 64.97 | gold quality |
| parotid gland | UBERON:0001831 | 64.43 | gold quality |
| biceps brachii | UBERON:0001507 | 64.09 | gold quality |
| upper arm skin | UBERON:0004263 | 62.68 | gold quality |
| adrenal tissue | UBERON:0018303 | 62.67 | gold quality |
| nasal cavity epithelium | UBERON:0005384 | 62.07 | gold quality |
| heart right ventricle | UBERON:0002080 | 61.74 | gold quality |
Single-cell (SCXA)
Detected in 3 experiment(s), a significant marker in 3.
| Experiment | Marker? | Max mean expression |
|---|---|---|
| E-GEOD-124263 | yes | 1930.51 |
| E-GEOD-134144 | yes | 1821.95 |
| E-ANND-3 | yes | 2.59 |
Regulation
Is transcription factor: no
miRNA regulators (miRDB)
13 targeting TEX101, top 30 by miRDB confidence (max_score; target_count = how many genes the miRNA targets in total — lower means more specific):
| miRNA | Max score | Avg score | miRNA target_count |
|---|---|---|---|
| HSA-MIR-3613-3P | 100.00 | 76.36 | 7965 |
| HSA-MIR-33A-3P | 99.70 | 70.27 | 3362 |
| HSA-MIR-494-3P | 99.70 | 71.45 | 2795 |
| HSA-MIR-5689 | 99.50 | 71.26 | 1154 |
| HSA-MIR-217-5P | 99.49 | 69.93 | 1419 |
| HSA-MIR-6807-3P | 99.15 | 69.23 | 1275 |
| HSA-MIR-922 | 99.02 | 67.23 | 1838 |
| HSA-MIR-513B-3P | 98.76 | 68.12 | 1577 |
| HSA-MIR-4709-5P | 98.51 | 67.25 | 1335 |
| HSA-MIR-6867-3P | 98.12 | 66.07 | 1305 |
| HSA-MIR-4469 | 97.93 | 65.81 | 1319 |
| HSA-MIR-10398-5P | 97.12 | 64.94 | 1051 |
| HSA-MIR-614 | 92.12 | 66.57 | 55 |
Literature-anchored findings (GeneRIF, showing 11)
- NYD-SP8 has a role in regulating ECM degradation, providing a novel mechanism that modulates urokinase signalling in the suppression of cancer progression (PMID:19017363)
- identification & function of a novel sperm GPI-anchored membrane protein, NYD-SP8; release of NYD-SP8 during sperm-egg interaction & binding to cumulus elicits cross-talk between the gametes leading to the acrosome reaction (PMID:19153666)
- The SPATA19 and TEX101 genes may be possible targets for cancer immunotherapy and novel markers for early detection of basal cell carcinoma. (PMID:19886887)
- Combination of two proteins, SPAG11B and TEX101, can be used for differential diagnosis of azoospermia (PMID:21933954)
- Overexpression of NYD-SP8 in various nasopharyngeal carcinoma cell lines indicated its complicated functions, and that it could play an important role in nasopharyngeal carcinoma carcinogenesis. (PMID:22158499)
- TEX101 is a cancer-testis (CT) gene useful for detection of CML. It was expressed in 30% of CML patients, but not in healthy donors. Unlike many CT genes, overexpression of TEX101 was not shown to induce immunologic responses in these samples. (PMID:22588436)
- Clinical assays for ECM1 and TEX101 have the potential to replace most of the diagnostic testicular biopsies and facilitate the prediction of outcome of sperm retrieval procedures, increasing the reliability and success of assisted reproduction techniques (PMID:24259048)
- Overexpression of TEX101 is associated with breast tumors. (PMID:25994570)
- Study provides evidence that spermatozoa of rs35033974 homozygous men have substantially reduced levels of TEX101 and could be used as a model to elucidate the precise TEX101 function. Because TEX101 seminal plasma levels were found significantly lower in heterozygous than in WT men, rs35033974 status could be considered in TEX101 diagnostics. (PMID:30429210)
- Crystal structure of TEX101, a glycoprotein essential for male fertility, reveals the presence of tandemly arranged Ly6/uPAR domains. (PMID:32608065)
- Role of the Glycosylphosphatidylinositol-Anchored Protein TEX101 and Its Related Molecules in Spermatogenesis. (PMID:32927778)
Cross-species orthologs
2 orthologs
| Organism | Symbol | Gene ID |
|---|---|---|
| mus_musculus | Tex101 | ENSMUSG00000062773 |
| rattus_norvegicus | Tex101 | ENSRNOG00000020057 |
Paralogs (2): CD177 (ENSG00000204936), LYPD4 (ENSG00000273111)
Protein
Protein identifiers
Testis-expressed protein 101 — Q9BY14 (reviewed: Q9BY14)
Alternative names: Cell surface receptor NYD-SP8, Scleroderma-associated autoantigen, Spermatogenesis-related gene protein
All UniProt accessions (1): Q9BY14
UniProt curated annotations — full annotation on UniProt →
Function. Plays a role in fertilization by controlling binding of sperm to zona pellucida and migration of spermatozoa into the oviduct. May play a role in signal transduction and promote protein tyrosine phosphorylation.
Subunit / interactions. Interacts with VAMP3. Interacts with LY6K. Interacts with DPEP3; co-localized on the cell surface of spermatocytes, spermatids, and testicular spermatozoa, co-localized only in cytoplasmic droplets of caput and corpus epididymal sperm. Interacts with ADAM5.
Subcellular location. Cell membrane. Membrane raft. Cytoplasmic vesicle. Secretory vesicle. Acrosome. Secreted.
Tissue specificity. Detected in testis and spermatogonia. Not detected in spermatocytes. Detected in blood leukocytes.
Post-translational modifications. N-glycosylated; by high mannose and/or biantennary complex and/or certain types of hybrid oligosaccharides; possesses different oligosaccharides chains according to its subcellular localization in the testis. Sheds from membrane raft by ACE and released from the cell surface of epididymal sperm while it passes through the caput epididymis leading to disappearance of TEX101 on spermatozoa; is essential to produce fertile spermatozoa.
Isoforms (2)
| UniProt ID | Names | Canonical? |
|---|---|---|
| Q9BY14-1 | 1 | yes |
| Q9BY14-2 | 2 |
RefSeq proteins (2): NP_001123483, NP_113639 (=MANE)
Domains & families (InterPro)
| ID | Name | Type |
|---|---|---|
| IPR016054 | LY6_UPA_recep-like | Domain |
| IPR045860 | Snake_toxin-like_sf | Homologous_superfamily |
| IPR051899 | Fert-Immune_med_protein | Family |
Pfam: PF00021
UniProt features (28 total): strand 14, helix 2, sequence variant 2, glycosylation site 2, signal peptide 1, chain 1, propeptide 1, turn 1, domain 1, lipid moiety-binding region 1, splice variant 1, sequence conflict 1
Structure
Experimental structures (PDB)
1 structures.
| PDB | Method | Resolution (Å) |
|---|---|---|
| 7BPR | X-RAY DIFFRACTION | 1.95 |
Predicted structure (AlphaFold)
| Model | pLDDT | Fraction very-high |
|---|---|---|
| AF-Q9BY14-F1 | 81.10 | 0.58 |
Functional residue map
Curated UniProt residues grouped by drug-discovery relevance — catalytic, ligand-binding, modification, and mutation-validated positions. Source: UniProtKB sequence features.
Post-translational modifications (1): 222
Glycosylation sites (2): 45, 159
Function
Pathways and Gene Ontology
Reactome pathways
1 pathways
| ID | Pathway |
|---|---|
| R-HSA-163125 | Post-translational modification: synthesis of GPI-anchored proteins |
MSigDB gene sets: 71 (showing top):
GSE45365_NK_CELL_VS_CD8_TCELL_DN, GOBP_SINGLE_FERTILIZATION, GOBP_REGULATION_OF_MICROTUBULE_BASED_PROCESS, GOCC_SECRETORY_GRANULE, GOBP_CILIUM_MOVEMENT, GOBP_SPERM_EGG_RECOGNITION, GOBP_REGULATION_OF_MICROTUBULE_BASED_MOVEMENT, GOBP_CILIUM_OR_FLAGELLUM_DEPENDENT_CELL_MOTILITY, GOBP_REGULATION_OF_REPRODUCTIVE_PROCESS, BROWN_MYELOID_CELL_DEVELOPMENT_UP, GOBP_REGULATION_OF_CILIUM_MOVEMENT, GOBP_FERTILIZATION, GOBP_CELL_CELL_RECOGNITION, GOBP_BINDING_OF_SPERM_TO_ZONA_PELLUCIDA, GOCC_ACROSOMAL_MEMBRANE
GO Biological Process (4): binding of sperm to zona pellucida (GO:0007339), fertilization (GO:0009566), flagellated sperm motility (GO:0030317), regulation of flagellated sperm motility (GO:1901317)
GO Molecular Function (1): protein binding (GO:0005515)
GO Cellular Component (9): acrosomal vesicle (GO:0001669), acrosomal membrane (GO:0002080), extracellular region (GO:0005576), plasma membrane (GO:0005886), plasma membrane raft (GO:0044853), side of membrane (GO:0098552), membrane (GO:0016020), cytoplasmic vesicle (GO:0031410), membrane raft (GO:0045121)
Reactome top-level categories
Rollup of top-1 pathways:
| Category | Pathways |
|---|---|
| Post-translational protein modification | 1 |
GO top-level categories
Rollup of top GO terms by namespace:
| Category | Terms |
|---|---|
| cellular anatomical structure | 3 |
| membrane | 2 |
| sperm-egg recognition | 1 |
| sexual reproduction | 1 |
| reproductive process | 1 |
| cilium-dependent cell motility | 1 |
| cilium movement involved in cell motility | 1 |
| sperm motility | 1 |
| flagellated sperm motility | 1 |
| regulation of cilium movement involved in cell motility | 1 |
| regulation of reproductive process | 1 |
| binding | 1 |
| secretory granule | 1 |
| acrosomal vesicle | 1 |
| secretory granule membrane | 1 |
| cell periphery | 1 |
| plasma membrane | 1 |
| membrane raft | 1 |
| plasma membrane region | 1 |
| leaflet of membrane bilayer | 1 |
| cytoplasm | 1 |
| intracellular vesicle | 1 |
| membrane microdomain | 1 |
Protein interactions and networks
STRING
1458 interactions, top by confidence (×1000):
| Protein A | Protein B | Partner UniProt | Score |
|---|---|---|---|
| TEX101 | LY6K | Q17RY6 | 815 |
| TEX101 | DPEP3 | Q9H4B8 | 751 |
| TEX101 | PLAUR | Q03405 | 744 |
| TEX101 | SPACA4 | Q8TDM5 | 660 |
| TEX101 | PHLDB3 | Q6NSJ2 | 623 |
| TEX101 | ACRV1 | P26436 | 595 |
| TEX101 | LYPD5 | Q6UWN5 | 582 |
| TEX101 | PINLYP | A6NC86 | 582 |
| TEX101 | PATE3 | B3GLJ2 | 571 |
| TEX101 | LY6L | H3BQJ8 | 570 |
| TEX101 | PDILT | Q8N807 | 545 |
| TEX101 | PRSS55 | Q6UWB4 | 532 |
| TEX101 | SLURP1 | P55000 | 530 |
| TEX101 | LYPD3 | O95274 | 521 |
| TEX101 | ECM1 | Q16610 | 514 |
IntAct
11 interactions, top by confidence:
| A | B | Type | Score |
|---|---|---|---|
| TEX101 | DPEP3 | psi-mi:“MI:2364”(proximity) | 0.420 |
| TEX101 | PSMD12 | psi-mi:“MI:0914”(association) | 0.350 |
| TEX101 | NDUFA4 | psi-mi:“MI:0914”(association) | 0.350 |
| TEX101 | ITGB1 | psi-mi:“MI:0914”(association) | 0.350 |
| TEX101 | GGT3P | psi-mi:“MI:0914”(association) | 0.350 |
| TEX101 | MAP4K4 | psi-mi:“MI:0914”(association) | 0.350 |
| TEX101 | ACE | psi-mi:“MI:0914”(association) | 0.350 |
BioGRID (258): PLAUR (Affinity Capture-Western), PLAU (Affinity Capture-Western), TEX101 (Affinity Capture-Western), RBM27 (Affinity Capture-MS), CUL9 (Affinity Capture-MS), THY1 (Affinity Capture-MS), ACE2 (Affinity Capture-MS), PSMD3 (Affinity Capture-MS), COX5A (Affinity Capture-MS), ART3 (Affinity Capture-MS), CAND2 (Affinity Capture-MS), IPO4 (Affinity Capture-MS), ITGB1 (Affinity Capture-MS), BSG (Affinity Capture-MS), ARPC1B (Affinity Capture-MS)
ESM2 similar proteins: A0JNB3, A0JNL5, A6NC86, H3BJG9, H3BQJ8, O55186, O94772, O95867, P05533, P0CW02, P0CW03, P0DTL4, P13987, P35456, P35459, P35460, P35461, P46657, P47777, P49616, P57096, P58019, Q03405, Q05588, Q14210, Q148C3, Q28216, Q28785, Q32PB3, Q4R5M8, Q5R510, Q63317, Q64253, Q6UWN5, Q6UX82, Q80ZQ0, Q8K1T6, Q8SQ46, Q8TDM5, Q924B5
Diamond homologs: Q7TQN2, Q8N6Q3, Q8R2S8, Q924B5, Q9BY14, Q9JMI7, Q32LD3, Q6UWN0, Q8BVP6
SIGNOR signaling
0 interactions.
Disease & clinical
Clinical variants and AI predictions
ClinVar
40 variants total. Per-class counts are floors (≥ shown; pagination cap):
| Classification | Count (floor) |
|---|---|
| Pathogenic | 0 |
| Likely pathogenic | 0 |
| Uncertain significance | 33 |
| Likely benign | 4 |
| Benign | 0 |
Top pathogenic / likely-pathogenic (0)
SpliceAI
976 predictions. Top by Δscore:
| Variant | Effect | Δscore |
|---|---|---|
| 19:43415979:GACCT:G | donor_gain | 1.0000 |
| 19:43415984:G:GG | donor_gain | 1.0000 |
| 19:43416097:A:AG | acceptor_gain | 1.0000 |
| 19:43416097:AGC:A | acceptor_gain | 1.0000 |
| 19:43416097:AGCG:A | acceptor_gain | 1.0000 |
| 19:43416098:G:GG | acceptor_gain | 1.0000 |
| 19:43416098:GC:G | acceptor_gain | 1.0000 |
| 19:43416098:GCG:G | acceptor_gain | 1.0000 |
| 19:43416098:GCGG:G | acceptor_gain | 1.0000 |
| 19:43416182:G:GT | donor_gain | 1.0000 |
| 19:43416218:G:GT | donor_gain | 1.0000 |
| 19:43416219:A:T | donor_gain | 1.0000 |
| 19:43416239:GCAG:G | donor_gain | 1.0000 |
| 19:43416368:AACAG:A | acceptor_gain | 1.0000 |
| 19:43416481:G:GG | donor_gain | 1.0000 |
| 19:43416490:G:GG | donor_gain | 1.0000 |
| 19:43416544:G:GG | donor_gain | 1.0000 |
| 19:43417741:G:GT | donor_gain | 1.0000 |
| 19:43417741:G:T | donor_gain | 1.0000 |
| 19:43417745:G:GT | donor_gain | 1.0000 |
| 19:43418004:G:GT | donor_gain | 1.0000 |
| 19:43415980:ACCT:A | donor_gain | 0.9900 |
| 19:43415981:CCT:C | donor_gain | 0.9900 |
| 19:43415982:CT:C | donor_gain | 0.9900 |
| 19:43415983:TGTG:T | donor_loss | 0.9900 |
| 19:43415984:G:GA | donor_loss | 0.9900 |
| 19:43415985:TGCG:T | donor_loss | 0.9900 |
| 19:43415987:CG:C | donor_loss | 0.9900 |
| 19:43416094:CTCA:C | acceptor_loss | 0.9900 |
| 19:43416095:TCA:T | acceptor_loss | 0.9900 |
AlphaMissense
1593 scored. Top likely-pathogenic:
| Variant | Protein change | am_pathogenicity |
|---|---|---|
| 19:43416212:T:A | C60S | 0.990 |
| 19:43416213:G:C | C60S | 0.990 |
| 19:43416172:G:C | W46C | 0.986 |
| 19:43416172:G:T | W46C | 0.986 |
| 19:43416504:T:A | C114S | 0.979 |
| 19:43416505:G:C | C114S | 0.979 |
| 19:43416474:T:C | S104P | 0.978 |
| 19:43417976:T:A | C164S | 0.978 |
| 19:43417977:G:C | C164S | 0.978 |
| 19:43416116:T:A | C28S | 0.977 |
| 19:43416117:G:C | C28S | 0.977 |
| 19:43416214:C:G | C60W | 0.976 |
| 19:43416401:G:C | K79N | 0.975 |
| 19:43416401:G:T | K79N | 0.975 |
| 19:43417904:T:A | C140S | 0.974 |
| 19:43417905:G:C | C140S | 0.974 |
| 19:43416509:T:A | N115K | 0.973 |
| 19:43416509:T:G | N115K | 0.973 |
| 19:43418197:G:T | G184C | 0.973 |
| 19:43416118:T:G | C28W | 0.971 |
| 19:43417955:T:A | C157S | 0.971 |
| 19:43417956:G:C | C157S | 0.971 |
| 19:43416212:T:C | C60R | 0.970 |
| 19:43416405:T:A | C81S | 0.969 |
| 19:43416406:G:C | C81S | 0.969 |
| 19:43416219:A:T | E62V | 0.968 |
| 19:43416489:T:A | C109S | 0.968 |
| 19:43416490:G:C | C109S | 0.968 |
| 19:43416228:T:C | L65P | 0.967 |
| 19:43417955:T:C | C157R | 0.967 |
dbSNP variants (sampled 300 via entrez): RS1000071900 (19:43417084 T>G), RS1000120078 (19:43415304 T>C), RS1000179265 (19:43388045 C>T), RS1000196499 (19:43404772 A>G), RS1000206295 (19:43393140 A>G), RS1000417832 (19:43404454 G>C), RS1000533845 (19:43414250 C>A,T), RS1000789187 (19:43398961 T>C), RS1000866572 (19:43403306 T>C), RS1000995990 (19:43409092 T>C), RS1001127116 (19:43414422 A>G), RS1001179865 (19:43388238 G>A), RS1001324757 (19:43405732 C>G,T), RS1001355872 (19:43405427 A>T), RS1001500469 (19:43417301 A>G)
Disease associations
OMIM: gene MIM:612665 | disease phenotypes:
GenCC curated gene-disease
Mondo (0):
Orphanet (0):
HPO phenotypes
0 total (0 of 0 shown, HPO-id order):
GWAS associations
1 associations (top):
| Study | Trait | p-value |
|---|---|---|
| GCST002652_14 | Cotinine glucuronidation | 4.000000e-08 |
EFO canonical traits (1, from GWAS)
| EFO ID | Trait name |
|---|---|
| EFO:0006508 | cotinine glucuronidation measurement |
Drugs & pharmacology
Drug and pharmacology data
Is drug target: no
PharmGKB: 1 entry (VIP=true, CPIC=false)
CTD chemical–gene interactions
10 total (human), top 10 by PubMed support.
| Chemical | Actions (top 5) | PubMed papers |
|---|---|---|
| 2-palmitoylglycerol | increases expression | 1 |
| jinfukang | affects cotreatment, increases expression | 1 |
| Resveratrol | affects cotreatment, decreases expression | 1 |
| Acetaminophen | decreases expression | 1 |
| Benzo(a)pyrene | increases methylation | 1 |
| Cisplatin | affects cotreatment, increases expression | 1 |
| Diethylhexyl Phthalate | decreases expression | 1 |
| Nickel | increases expression | 1 |
| Plant Extracts | affects cotreatment, decreases expression | 1 |
| Valproic Acid | increases methylation | 1 |
Clinical trials (associated diseases)
0 trials via MONDO — disease-level, not drug-specific.
Related Atlas pages
No linked Atlas pages yet — the cross-entity mesh grows as the corpus expands.