The 3 papers which experimentally show that the PCTFP (Gcr2-Gcr1) has physical interaction

Experimental System Publication Throughput
Two-hybrid Uemura H (1995) Low Throughput
Two-hybrid Uemura H (1992) Low Throughput
Affinity Capture-Western Szijgyarto Z (2011) Low Throughput

The 7 papers which experimentally show that the PCTFP (Gcr2-Gcr1) has genetic interaction

Experimental System Publication Throughput
Synthetic Lethality Deminoff SJ (2001) Low Throughput
Synthetic Rescue Zeng X (1997) Low Throughput
Synthetic Lethality Menon BB (2005) Low Throughput
Synthetic Rescue Uemura H (1995) Low Throughput
Dosage Rescue Uemura H (1992) Low Throughput
Dosage Rescue Uemura H (1992) Low Throughput
Phenotypic Enhancement Kim D (2015) Low Throughput