Updated project metadata. Eluates from pull down experiments were separated on an SDS gel, and bands isolated for in gel trypsin digestion. Digested samples were analysed by LCMSMS on an Orbitrap. Peaklists were generated using MaxQuant 1.3.0.5 and database searches performed using Mascot Server 2.4. Data from all gel slices from one sample were merged in one Mascot search, and the results were imported into Scaffold 4.0.4.