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Family of unknown function This domain family is found in VraX proteins from Staphylococcus aureus. The vraX gene belongs to the vra operon together with the vraA gene encoding for a long chain fatty acid-CoA ligase, which is up-regulated in the VISA (vancomycin-intermediate S. aureus). The gene product, a 55-amino acids protein,is upregulated in the stress response to cell wall-active antibiotics and other surface-interactive molecules. VraX harbors a putative phosphorylation site, and could therefore be involved in regulatory processes within the cell. However, no exact function has been demonstrated. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",