Tip adhesin component of type P pili that binds preferentially to Gal-alpha(1-4)-Gal-containing glycolipids such as globoside (PubMed:1693334, PubMed:31361021). This tip is common in E.coli strains that cause human cystitis, but rare in pyelonephritic isolates (PubMed:7902954). At the tip of P pili. Belongs to the adhesin PapG family.