PRG4 Back

proteoglycan 4

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NCBI Description of PRG4

The protein encoded by this gene is a large proteoglycan specifically synthesized by chondrocytes located at the surface of articular cartilage, and also by some synovial lining cells. This protein contains both chondroitin sulfate and keratan sulfate glycosaminoglycans. It functions as a boundary lubricant at the cartilage surface and contributes to the elastic absorption and energy dissipation of synovial fluid. Mutations in this gene result in camptodactyly-arthropathy-coxa vara-pericarditis syndrome. Multiple transcript variants encoding different isoforms have been found for this gene.

Community Annotation of PRG4 Add / Edit PRG4: Annotations

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Figure notes


• "Mouse over" a mutation to see details.
• Missense green saturation indicates evolutionary conservation of the mutated positions.
• Red hashes in protein strip are splice sites.
• Blue-white-red bars are log2 copy ratio distributions (–1 to +1) from Zack et al. (2013).


Legend

PRG4 is highly significantly mutated in
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PRG4 is significantly mutated in
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PRG4 is near significance in
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Click on a tumor type to see its full list of significant genes.

Data details


Mutation list for PRG4