Helicobacter pylori cell wall synthesis enzyme

Helicobacter pylori cell wall synthesis enzymes constitute a family of bacterial enzymes responsible for synthesizing and remodeling the peptidoglycan cell wall. Key members include penicillin-binding proteins (PBPs), which catalyze glycosyltransferase and transpeptidase reactions required for peptidoglycan strand polymerization and cross-linking, and a range of peptidoglycan-modifying enzymes (such as Csd1, Csd3/HdpA, Csd4, Csd6, and autolytic lysozymes like Lys/HP0339) that remodel the cell wall to maintain the organism's characteristic helical shape. Non-enzymatic scaffold proteins (e.g., CcmA, Csd5, Csd7) organize and regulate the localization of these enzymes, coordinating cell wall growth in patterns critical for bacterial morphology, motility, and gastric niche colonization. These enzymes are essential for bacterial viability, represent classic antibacterial drug targets (notably for β-lactam antibiotics), and are implicated in H. pylori-related pathogenesis, including antibiotic resistance and adaptation to host environments. Note: This entry covers a family of targets, not a specific molecular entity. For structured data, each core enzyme (e.g., MurF, PBP2, Csd1) should be separately represented if specificity is required.

Other names

H. pylori cell wall biosynthetic enzymeH. pylori peptidoglycan synthesis enzymeH. pylori PG synthesis enzymeH. pylori penicillin-binding protein (in reference to a subset)

Inhibition of PBPs prevents cross-linking of peptidoglycan strands, leading to cell lysis and death Inhibition of precursor synthesis enzymes halts new cell wall formation Inhibition of PG hydrolase/lysozyme disrupts cell wall remodeling and division