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1 sources retrieved Β· Most recent: April 2026 Β· Index updated 14 days ago
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TRAPPC14
trafficking protein particle complex subunit 14
Chromosome 7 Β· 7q22.1
NCBI Gene: 55262Ensembl: ENSG00000146826.17HGNC: HGNC:25604UniProt: B3KNS5
24PubMed Papers
21Diseases
0Drugs
1Pathogenic Variants
CLINICAL
OMIM Disease Gene
DATA QUALITY
βœ“ Experimental GO Evidenceβœ“ Swiss-Prot Reviewed
protein bindingalpha-tubulin bindingregulation of cell population proliferationcilium assemblyautosomal recessive primary microcephalymicrocephaly 25, primary, autosomal recessivehepatocellular carcinomaneoplasm
✦AI Summary

Based on limited published evidence, TRAPPC14 is a specific subunit of the TRAPP II complex, a conserved vesicle tethering machinery involved in late Golgi trafficking 12. TRAPPC14 is dispensable for TRAPP II complex structural integrity but specifically mediates preciliary vesicle tethering to the mother centriole during ciliogenesis by linking TRAPP II to Rabin8 2. The protein also modulates YAP1 transcriptional activity 3. Mutations cause autosomal recessive primary microcephaly 25, suggesting critical roles in cell division and neural development.

Sources cited
1
TRAPPC14 mediates Rabin8-TRAPP II association and preciliary vesicle tethering at the mother centriole during ciliogenesis
PMID: 31467083
2
TRAPP II complex functions as a membrane tether in late Golgi trafficking
PMID: 30715179
3
TRAPPC14 modulates YAP1 activity as a transcriptional regulator
PMID: 30447097
⚠Limited data available β€” This gene has 3 indexed publications. Summary and analysis may be incomplete.
Disease Associationsβ“˜21
autosomal recessive primary microcephalyOpen Targets
0.50Moderate
microcephaly 25, primary, autosomal recessiveOpen Targets
0.36Weak
hepatocellular carcinomaOpen Targets
0.04Suggestive
neoplasmOpen Targets
0.02Suggestive
microcephalyOpen Targets
0.02Suggestive
Alzheimer diseaseOpen Targets
0.00Suggestive
cirrhosis of liverOpen Targets
0.00Suggestive
acute lymphoblastic leukemiaOpen Targets
0.00Suggestive
cancerOpen Targets
0.00Suggestive
Neurodevelopmental disorderOpen Targets
0.00Suggestive
non-Hodgkins lymphomaOpen Targets
0.00Suggestive
pancreatic ductal adenocarcinomaOpen Targets
0.00Suggestive
Primary microcephalyOpen Targets
0.00Suggestive
gastric cancerOpen Targets
0.00Suggestive
head and neck squamous cell carcinomaOpen Targets
0.00Suggestive
hereditary breast carcinomaOpen Targets
0.00Suggestive
ovarian serous cystadenocarcinomaOpen Targets
0.00Suggestive
pancreatic adenocarcinomaOpen Targets
0.00Suggestive
ThymomaOpen Targets
0.00Suggestive
thyroid cancer, nonmedullary, 1Open Targets
0.00Suggestive
Microcephaly 25, primary, autosomal recessiveUniProt
Pathogenic Variants1
NM_018275.5(TRAPPC14):c.613G>T (p.Glu205Ter)Pathogenic
Microcephaly 25, primary, autosomal recessive
β˜†β˜†β˜†β˜†2023β†’ Residue 205
View on ClinVar β†—
Related Genes
TRAPPC3Protein interaction100%TRAPPC12Protein interaction100%TRAPPC11Protein interaction100%TRAPPC2Protein interaction100%TRAPPC9Protein interaction100%TRAPPC3LProtein interaction100%
Tissue Expression6 tissues
Liver
100%
Bone Marrow
93%
Lung
83%
Ovary
50%
Heart
29%
Brain
25%
Gene Interaction Network
Click a node to explore
TRAPPC14TRAPPC3TRAPPC12TRAPPC11TRAPPC2TRAPPC9TRAPPC3L
PROTEIN STRUCTURE
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AlphaFoldAI-predicted Β· UniProt Q8WVR3
View on AlphaFold β†—
Constraintβ“˜
LOEUFβ“˜
0.65LoF Tolerant
pLIβ“˜
0.02Tolerant
Observed/Expected LoF0.46 [0.33–0.65]
RankingsWhere TRAPPC14 stands among ~20K protein-coding genes
  • #13,336of 20,598
    Most Researched24
  • #5,336of 5,498
    Most Pathogenic Variants1
  • #4,717of 17,882
    Most Constrained (LOEUF)0.65
Genes detectedTRAPPC14
Sources retrieved1 papers
Response timeβ€”
πŸ“„ Sources
1
1
The C7orf43/TRAPPC14 component links the TRAPPII complex to Rabin8 for preciliary vesicle tethering at the mother centriole during ciliogenesis.
PMID: 31467083
J Biol Chem Β· 2019
1.00