TRIM68
E3 ubiquitin-protein ligase TRIM68
Also known as: FLJ10369, RNF137, SS-56, TRI68_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q6AZZ1
- Gene
- TRIM68
- Ensembl
- ENSG00000167333
- Chromosome
- 11
- Canonical length
- 485 aa
- Protein class
- Enzymes, Predicted intracellular proteins
- Subcellular location
- Nucleoplasm,Cytosol
OverviewNCBI Gene
This gene encodes a member of the tripartite motif-containing protein family, whose members are characterized by a """"""""""""""""""""""""""""""""really interesting new gene"""""""""""""""""""""""""""""""" (RING) finger domain, a zinc-binding B-box motif, and a coiled-coil region. Members of this family function as E3 ubiquitin ligases and are involved in a broad range of biological processes. This gene regulates the activation of nuclear receptors, such as androgen receptor, and has been implicated in development of prostate cancer cells, where its expression increases in response to a downregulation of microRNAs. In addition, this gene participates in viral defense regulation as a negative regulator of interferon-beta. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2015]
Canonical amino-acid sequenceUniProt
485 residues, UniProt reviewed canonical sequence.
>Q6AZZ1|TRIM68
1 MDPTALVEAI VEEVACPICM TFLREPMSID CGHSFCHSCL SGLWEIPGES QNWGYTCPLC
61 RAPVQPRNLR PNWQLANVVE KVRLLRLHPG MGLKGDLCER HGEKLKMFCK EDVLIMCEAC
121 SQSPEHEAHS VVPMEDVAWE YKWELHEALE HLKKEQEEAW KLEVGERKRT ATWKIQVETR
181 KQSIVWEFEK YQRLLEKKQP PHRQLGAEVA AALASLQREA AETMQKLELN HSELIQQSQV
241 LWRMIAELKE RSQRPVRWML QDIQEVLNRS KSWSLQQPEP ISLELKTDCR VLGLREILKT
301 YAADVRLDPD TAYSRLIVSE DRKRVHYGDT NQKLPDNPER FYRYNIVLGS QCISSGRHYW
361 EVEVGDRSEW GLGVCKQNVD RKEVVYLSPH YGFWVIRLRK GNEYRAGTDE YPILSLPVPP
421 RRVGIFVDYE AHDISFYNVT DCGSHIFTFP RYPFPGRLLP YFSPCYSIGT NNTAPLAICS
481 LDGEDLocalizationUniProt · AlphaFold · HPA
Whether an antibody against TRIM68 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.29
- Highest tissue expression
- 10 nTPM
Expression across tissuesHPA
Tissue
- prostate: 10 nTPM
- ovary: 9.5 nTPM
- cervix: 9 nTPM
- kidney: 9 nTPM
- thyroid gland: 9 nTPM
- cerebellum: 8.6 nTPM
Single-cell type
- respiratory secretory cells: 15 nCPM
- salivary duct cells: 13 nCPM
- prostatic glandular cells: 11 nCPM
- conjunctival goblet cells: 11 nCPM
- undifferentiated spermatogonia: 9.2 nCPM
- gonadotrophs: 9 nCPM
Immune cell
- naive CD4 T-cell: 11 nTPM
- naive CD8 T-cell: 9 nTPM
- eosinophil: 8.9 nTPM
- MAIT T-cell: 8.9 nTPM
- memory CD8 T-cell: 8.9 nTPM
- memory CD4 T-cell: 8.8 nTPM
Brain region
- hypothalamus: 9 nTPM
- cerebellum: 8.8 nTPM
- thalamus: 8.7 nTPM
- white matter: 8.5 nTPM
- basal ganglia: 8.4 nTPM
- midbrain: 8.3 nTPM
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 1.45
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.21
- DepMap mean gene effect
- 0.07
- DepMap dependency class
- none
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- innate immune response
- protein autoubiquitination
- regulation of androgen receptor signaling pathway
- regulation of gene expression
Molecular functions
- histone acetyltransferase binding
- identical protein binding
- nuclear androgen receptor binding
- ubiquitin protein ligase activity
- ubiquitin-protein transferase activity
- zinc ion binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- B-box-type zinc finger
- Zinc finger, RING-type
- B30.2/SPRY domain
- SPRY domain
- Butyrophylin-like, SPRY domain
- SPRY-associated
- Zinc finger, RING/FYVE/PHD-type
- Concanavalin A-like lectin/glucanase domain superfamily
- Zinc finger, RING-type, conserved site
- B30.2/SPRY domain superfamily
- Tripartite motif-containing
- SPRY domain
- B-box zinc finger
- SPRY-associated domain
- zinc finger of C3HC4-type, RING
- E3 ubiquitin-protein ligase TRIM68, RING finger, HC subclass
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of TRIM68 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads TRIM68 as an antibody target. Whether an autoantibody or antibody against TRIM68 could matter depends on whether native TRIM68 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
TRIM68 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label TRIM68 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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