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PapG chaperone-binding domain PapG, the adhesin of the P-pili, is situated at the tip and is only a minor component of the whole pilus structure. A two-domain structure has been postulated for PapG; a carbohydrate binding N-terminus and chaperone binding C-terminus (this domain). The chaperone-binding domain is highly conserved, and is essential for the correct assembly of the pili structure when aided by the chaperone molecule PapD. |
Jiyao W et al.(2023). "The conserved domain database in 2023.",