The gamma-tubulin ring complex (γ-TuRC) is a multiprotein complex composed of the γ-tubulin small complex (γ-TuSC) plus additional Grip-motif proteins to form the ring-shaped complex. γ-TuRC localizes to the centrosome and catalyze the microtubule nucleation. (Adapted from FBrf0190946 and FBrf0259816.)