Recombinant Human TXNL4B protein (His tag N-Terminus)

Supplementary information

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

TXNL4B also known as thioredoxin-like 4B or DLP is a small protein with a mass of approximately 19 kDa. It functions mechanically in the regulation of pre-mRNA splicing and is a part of the U5 snRNP-specific proteins. TXNL4B predominantly localizes to the nucleus and is expressed in various tissues including the brain liver and heart. It demonstrates RNA-binding capabilities required for its role in the spliceosome complex during mRNA processing.

Biological function summary

Within the cellular context TXNL4B contributes specifically to the biogenesis and function of spliceosomal complexes. It associates with several other proteins to form the U5 snRNP an essential component of the spliceosome. The proper functioning of TXNL4B in the spliceosomal U5 snRNP complex ensures accurate splicing of pre-mRNA which is critical for generating mature and diverse mRNA transcripts. This process plays a central role in the regulation of gene expression and protein diversity across different cell types.

Pathways

TXNL4B's involvement in the spliceosome pathway is significant given its key role in pre-mRNA processing. The spliceosome pathway facilitates the removal of introns from pre-mRNA. TXNL4B interacts with other spliceosomal proteins like PRPF8 which are important for the splicing process. In the context of RNA processing pathways the activity and stability of TXNL4B contribute to the efficiency and fidelity of mRNA splicing impacting downstream gene expression pathways.

Improper function or expression of TXNL4B has implications in neurodegenerative diseases and cancer. Alterations in splicing activities can result in pathological conditions due to the generation of aberrant mRNA transcripts. In cancer connections have been made between TXNL4B and other spliceosomal proteins like SF3B1 where mutations can lead to misregulated splicing linked to tumorigenesis. Understanding these links further emphasizes the importance of TXNL4B in maintaining cellular health and offers insights into potential therapeutic strategies.