The M-Pol II complex possesses alpha-1,6-mannosyltransferase activity and is probably involved in the elongation of the mannan backbone of N-linked glycans on cell wall and periplasmic proteins. Component of the M-Pol II complex composed of ANP1, MNN9, MNN10, MNN11 and HOC1. Present with 7160 molecules/cell in log phase SD medium. Belongs to the glycosyltransferase 32 family.