Recombinant Staphylococcus aureus PDF protein (Tagged)

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

Peptide deformylase (PDF) is an enzyme that plays a mechanical role in processing nascent polypeptides. Also known as Polypeptide deformylase this enzyme removes the N-formyl group from the N-terminal methionine of newly synthesized proteins a critical step in protein maturation. Human PDF for example has a mass of approximately 23 kDa. In terms of expression PDF appears in various tissues particularly in rapidly dividing cells due to its essential role in protein synthesis.

Biological function summary

The removal of the formyl group by PDF is important for proper protein function and stability. This enzyme often operates as part of a complex with ribosomes ensuring that elongating polypeptides are correctly modified. Such de-formylation allows the proteins to undergo subsequent processing leading to proper folding and functionality. The universality of PDF's role highlights its importance in cellular homeostasis and growth.

Pathways

The activity of PDF integrates into the broader context of the protein synthesis and processing pathways. Notably it acts in conjunction with the pathway involved in protein biosynthesis directly linking to the translation machinery. Another important pathway is the protein maturation process after translation where proteins like methionine aminopeptidase and ribosomal proteins coordinate closely with PDF activity to ensure accurate protein formation and turnover.

PDF connects closely to conditions such as cancer and bacterial infections. Its role in rapidly dividing cells makes it an attractive target for anticancer therapies given that high PDF activity often associates with tumor growth. In bacterial infections PDF inhibitors serve as potential antibiotics targeting bacterial protein synthesis. The interplay between PDF and other proteins such as methionine aminopeptidase in cancer therapy or ribosomal proteins in antibiotic strategy highlights its importance in disease contexts.