Cancer Protein Description

This report provides a detailed description of a selected cancer protein with information collected from various sources, including UniProt, the Wellcome Trust Sanger Institute’s Catalogue of Somatic Mutations in Cancer (COSMIC), and the Atlas of Genetics and Cytogenetics in Oncology and Haematology.


Protein Name: CYLD
Gene Name: CYLD
Protein Full Name: Ubiquitin carboxyl-terminal hydrolase CYLD
Alias: CDMT; CYLD1; CYLDI; Cylindromatosis (turban tumor syndrome); Deubiquitinating enzyme CYLD; EAC; EC 3.1.2.15; Familial cylindromatosis gene; HSPC057; KIAA0849; Ubiquitin carboxyl-terminal hydrolase CYLD; Ubiquitin specific peptidase like 2; Ubiquitin thioesterase CYLD; Ubiquitin-specific-processing protease CYLD; USPL2
Mass (Da): 107316
Number AA: 956
UniProt ID: Q9NQC7
Locus ID: 1540
COSMIC ID: CYLD
Gene location on chromosome: 16q12-13
Cancer protein type: TSP
Effect of cancer mutation on protein: LOSS
Effect of active protein on cancer: INHIBITS
Number of cancer specimens: 21393
Percent of cancer specimens with mutations: 1.05
General distribution of mutations: Multi-site
Location of most mutations: Broad distribution of mutation sites with many point mutations across entire protein as well as 3 insertions and 2 deletions, but no complex mutations.
Mutations observed as inherited: Hereditory: cylindromatosis.
Normal role description: CYLD is a cytoplasmic protein with three cytoskeletal-associated protein-glycine-conserved (CAP-GLY) domains that functions as a de-ubiquitinating enzyme. Mutations causing a decrease in activity could inhibit turnover of pro-growth/anti-apoptosis proteins. Mutations in this gene are associated with familial cylindromatosis, also called turban tumour syndrome, while the loss of this gene is associated with colon, live, kidney, cervix and prostate tumors.
Commentary on involvement of protein in cancer: Protease that specifically cleaves 'Lys-63'-linked polyubiquitin chains. Has endodeubiquitinase activity. Plays an important role in the regulation of pathways leading to NF-kappa-B activation. Contributes to the regulation of cell survival, proliferation and differentiation via its effects on NF-kappa-B activation. Negative regulator of Wnt signaling. Inhibits HDAC6 and thereby promotes acetylation of alpha-tubulin and stabilization of microtubules. Plays a role in the regulation of microtubule dynamics, and thereby contributes to the regulation of cell proliferation, cell polarization, cell migration, and angiogenesis. Required for normal cell cycle progress and normal cytokinesis. Inhibits nuclear translocation of NF-kappa-B. Plays a role in the regulation of inflammation and the innate immune response, via its effects on NF-kappa-B activation. Dispensable for the maturation of intrathymic natural killer cells, but required for the continued survival of immature natural killer cells. Negatively regulates TNFRSF11A signaling and osteoclastogenesis 


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