Recombinant Human RPP20 protein

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

RPP20 also known as POP7 stands as an integral component of the ribonuclease P complex. This protein has an approximate mass of 14 kDa and shows expression in the nucleus of eukaryotic cells. Functions of RPP20 include its role in the processing of precursor tRNA molecules fundamentally influencing RNA maturation. The protein helps in precisely cleaving the 5'-leader sequence from tRNA precursors facilitating the correct processing essential for protein synthesis.

Biological function summary

RPP20 significantly contributes to RNA processing and is a part of the ribonucleoprotein complex known as RNase P. RNase P a well-characterized ribonucleoprotein complex consists of both protein and RNA components and performs a ribozyme-associated function in cells. In addition to processing tRNA RPP20's activity aids in the regulation of nuclear RNA and plays a part in overall gene expression by ensuring the proper processing and maturation of RNA molecules.

Pathways

Proteins and other molecular players interact closely with RPP20 in the RNA processing pathway. It also associates with pathways such as ribosome biogenesis and RNA transport. Related proteins include RPP38 and RPP14 which also participate within the RNase P complex and facilitate similar RNA processing activities. Their interactions stabilize the complex and enable effective catalytic action in RNA maturation processes.

Disruptions in RPP20 and its associated pathways have links to autoimmune conditions including systemic sclerosis. Such diseases might result from the generation of autoantibodies against the ribonucleoprotein complexes. This autoimmune response can target proteins like RPP20 and potentially RPP25 contributing to chronic inflammation and tissue damage in affected individuals. Understanding these interactions helps in building strategies for treating such disorders by targeting these molecular processes.