Private Equity to MM Hedge Fund (L/S Equity)

How feasible is it to transition from Private Equity or Investment Banking into a Fundamental Long/Short Equity Analyst role at a multi-manager hedge fund platform? Specifically, how does the difficulty of moving from PE compare to moving from Sell-Side Equity Research or Buy-Side Equity Research? What skill gaps typically exist for PE/IB candidates when targeting pod shops, and how do hedge funds evaluate these different backgrounds during hiring?