The 2 papers which experimentally show that the PCTFP (Gcn4-Gln3) has physical interaction

Experimental System Publication Throughput
Co-localization Hernandez H (2010) Low Throughput
Affinity Capture-Western Hernandez H (2010) Low Throughput

The 3 papers which experimentally show that the PCTFP (Gcn4-Gln3) has genetic interaction

Experimental System Publication Throughput
Synthetic Rescue Valenzuela L (2001) Low Throughput
Synthetic Rescue Valenzuela L (2001) Low Throughput
Phenotypic Enhancement Mitchell AP (1984) Low Throughput