CD18

Integrin, beta 2 (complement component 3 receptor 3 and 4 subunit), also known as CD18 or ITGB2, is a human gene.

CD18 is the beta subunit of three different structures:
 * LFA-1 (paired with CD11a)
 * Macrophage-1 antigen (paired with CD11b)
 * Integrin alphaXbeta2 (paired with CD11c)