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. 2013 Jul 19;288(36):25908–25914. doi: 10.1074/jbc.M113.484683

TABLE 1.

Summary of protein-protein interactions

This table summarizes all interacting partners that were further tested in this study. Additional proteins identified on domain array screen but not further tested are listed in supplemental Table I. Co-IP, co-immunoprecipitation.

Symbol Name Array Binds to PRRG4 in GST pulldown Binds to PRRG4 in Co-IP Binds to PRRG2
MAGI-1 Membrane-associated guanylate kinase-related WW YES YES YES
MAGI-3 Membrane-associated guanylate kinase-related WW YES Not testeda Not tested
YAP Yes-associated protein WW YES YES YESb
TAZ/WWTR1 Transcriptional co-activator with PDZ binding motif WW YES YES YES
NEDD4L E3 ubiquitin-protein ligase WW YES Not testeda YES
NEDD4 E3 ubiquitin-protein ligase WW YES Not testeda YESc
Lyn Src family of non-receptor protein tyrosine kinase Lyn SH3 NO Not testeda Not tested
OSTF OSF: osteoclast-stimulating factor 1 SH3 NO NO Not tested
Grb2 Growth factor receptor-bound protein 2 SH3 Not testedd NO Not tested
βpix/cool1/Y124 PAK-interacting exchange factor β SH3 NO NO Not tested

a MAGI-3, NEDD4L, and Lyn constructs are not FLAG-tagged.

b Source: this study and a previous study (16).

c Source: previous study (15).

d The size of Grb2 is close to GST. Western blot gives non-specific strong bands.