First, we document the MJO structure and its propagation under suppressed TE interactions. Seasonal variability and the relative roles of the northern and the southern extratropics are also documented. Second, using the same set of numerical experiments, we document the structure of intraseasonal variability in the extratropics under suppressed TE interactions. The relative changes in the intraseasonal variability in the tropics and extratropics under suppressed TE interactions from that of control simulation provide insight about the origin of intraseasonal variability. The results indicate that TE interactions might be more important in the southern hemisphere than that in the northern hemisphere for the intraseasonal variability in the TE system. Implications of the results will be discussed in the meeting.