thus , fixed c3b or ic3b on y mediate avid binding of y to neutrophils via cr1 or the ic3b-binding site of cr3 , respectively , but ingestion and an o2- burst response are only triggered when glucans in the y cell wall secondarily bind to neutrophils via the beta-glucan binding site of cr3 .
C0017696
glucans
C1134651
beta-glucan