CCNQ
Cyclin-Q
Also known as: CCNQ_HUMAN, CycM, FAM58A
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q8N1B3
- Gene
- CCNQ
- Ensembl
- ENSG00000262919
- Chromosome
- X
- Canonical length
- 248 aa
- Protein class
- Disease related genes, Human disease related genes, Predicted intracellular proteins
- Subcellular location
- Nucleoplasm,Cytosol
OverviewNCBI Gene
Mutations in this gene have been shown to cause an X-linked dominant STAR syndrome that typically manifests syndactyly, telecanthus and anogenital and renal malformations. The protein encoded by this gene contains a cyclin-box-fold domain which suggests it may have a role in controlling nuclear cell division cycles. Alternative splicing results in multiple transcript variants encoding distinct isoforms. [provided by RefSeq, Oct 2008]
Canonical amino-acid sequenceUniProt
248 residues, UniProt reviewed canonical sequence.
>Q8N1B3|CCNQ
1 MEAPEGGGGG PAARGPEGQP APEARVHFRV ARFIMEAGVK LGMRSIPIAT ACTIYHKFFC
61 ETNLDAYDPY LIAMSSIYLA GKVEEQHLRT RDIINVSNRY FNPSGEPLEL DSRFWELRDS
121 IVQCELLMLR VLRFQVSFQH PHKYLLHYLV SLQNWLNRHS WQRTPVAVTA WALLRDSYHG
181 ALCLRFQAQH IAVAVLYLAL QVYGVEVPAE VEAEKPWWQV FNDDLTKPII DNIVSDLIQI
241 YTMDTEIPLocalizationUniProt · AlphaFold · HPA
Whether an antibody against CCNQ 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)
- 0.31
- Highest tissue expression
- 35 nTPM
Expression across tissuesHPA
Tissue
- heart muscle: 35 nTPM
- skeletal muscle: 35 nTPM
- cerebral cortex: 30 nTPM
- hippocampal formation: 28 nTPM
- spinal cord: 27 nTPM
- amygdala: 26 nTPM
Single-cell type
- syncytiotrophoblasts: 129 nCPM
- extravillous trophoblasts: 128 nCPM
- esophageal basal cells: 53 nCPM
- migrating cytotrophoblasts: 52 nCPM
- hofbauer cells: 51 nCPM
- cytotrophoblasts: 50 nCPM
Immune cell
- memory B-cell: 6.1 nTPM
- eosinophil: 4.9 nTPM
- naive B-cell: 4.1 nTPM
- T-reg: 3.4 nTPM
- gdT-cell: 2.7 nTPM
- naive CD4 T-cell: 2.5 nTPM
Brain region
- white matter: 28 nTPM
- pons: 25 nTPM
- medulla oblongata: 25 nTPM
- cerebral cortex: 23 nTPM
- midbrain: 22 nTPM
- thalamus: 21 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about CCNQ.
Disease | AllUniProt
Conditions CCNQ is implicated in, by any mechanism.
- Toe syndactyly, telecanthus, and anogenital and renal malformations (STAR) MIM:300707
Disease | GeneticClinVar
8 pathogenic / likely-pathogenic of 103 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
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)
- 0.4
- gnomAD pLI
- 0.9
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 7% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Cyclin, N-terminal
- Cyclin-like domain
- Cyclin-like superfamily
- Cyclin/Cyclin-like subunit Ssn8
- Cyclin, N-terminal domain
- Cyclin-T2-like, C-terminal domain
- Cyclin-Q, second cyclin box
- Cyclin-Q, first cyclin box
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of CCNQ 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 CCNQ as an antibody target. Whether an autoantibody or antibody against CCNQ could matter depends on whether native CCNQ is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
CCNQ 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 CCNQ as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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