2.4.1.198 CaRas1 localizes to the cytoplasm or endoplasmic reticulum (ER) is sufficient for GPI-GnT activation. Mutational analysis, overview 2.4.1.198 component 2 of dolichyl-phosphate-mannose synthase i.e. DPM2 2.4.1.198 component 2 of dolichyl-phosphate-mannose synthase DPM2 protein binds directly to the enzyme complex and enhances the enzyme activity, regulatory role 2.4.1.198 additional information no activation by Triton X-100 or Triton X-114 2.4.1.198 additional information Ras signaling enhances GPI-GnT activity