Interacting Partner	Detection_method	PPI_type	Lit_support	PPI_score	Source_databases
ANK1	Affinity Capture-Western	physical	12543979	NA	BioGRID
AP2B1	Affinity Capture-Western	physical	12429842	NA	BioGRID
APPL1	Affinity Capture-Western, Co-localization, Reconstituted Complex	physical	26583432	NA	BioGRID
ARHGEF6	Affinity Capture-Western	physical	15761153	NA	BioGRID
BAMBI	Affinity Capture-Western, Reconstituted Complex	physical	19758997	NA	BioGRID
BMPR2	Two-hybrid	physical	7791754, 7890683	NA	BioGRID
CAV1	Affinity Capture-Western, Co-fractionation	physical	11102446	NA	BioGRID
CD44	Affinity Capture-Western, Reconstituted Complex	physical	12145287, 15597342	NA	BioGRID
CDC42	Affinity Capture-Western	physical	15761153	NA	BioGRID
CLU	Affinity Capture-Western, Reconstituted Complex, Two-hybrid	physical	8555189	NA	BioGRID
DAB2	Affinity Capture-Western, cross-linking study	association, physical	11387212	0.35	BioGRID, IntAct
ELAVL1	Affinity Capture-RNA	physical	19322201	NA	BioGRID
ENG	Affinity Capture-Western, Biochemical Activity, anti bait coimmunoprecipitation	association, physical	12015308, 15702480, 18974388, 23868260, 9872992	0.35	BioGRID, IntAct
EP300	Affinity Capture-Western	physical	21629263	NA	BioGRID
EPHA2	Affinity Capture-MS, anti tag coimmunoprecipitation	association, physical	26496610	0.35	BioGRID, IntAct
FBXO34	Affinity Capture-Western	physical	15761153	NA	BioGRID
FKBP1A	Affinity Capture-Western, Two-hybrid, ubiquitin reconstruction, x-ray crystallography	direct interaction, physical, physical association	10025408, 24658140, 7518616, 7791754	0.59	BioGRID, IntAct
FNTA	Biochemical Activity, Reconstituted Complex, Two-hybrid	physical	8530343	NA	BioGRID
GOLT1B	Affinity Capture-MS, anti tag coimmunoprecipitation	association, physical	26496610	0.35	BioGRID, IntAct
HMMR	Affinity Capture-Western	physical	22610405	NA	BioGRID
HSP90AA1	Affinity Capture-Western, Reconstituted Complex	physical	18591668, 21465483, 22848678	NA	BioGRID
HSPA4	Affinity Capture-Western	physical	19995547	NA	BioGRID
ITCH	Affinity Capture-Western	physical	15350225	NA	BioGRID
KCNK18	Affinity Capture-Western	physical	15761153	NA	BioGRID
MAP3K20	Affinity Capture-Western	physical	15465036	NA	BioGRID
MAP3K7	Affinity Capture-Western	physical	18758450, 19556242, 23973329	NA	BioGRID
MAPK14	Affinity Capture-Western	physical	18758450	NA	BioGRID
MYOC	Two-hybrid	physical	16289162	NA	BioGRID
NLGN3	Affinity Capture-MS, anti tag coimmunoprecipitation	physical, physical association	26496610	0.40	BioGRID, IntAct
NOTCH1	Affinity Capture-Western	physical	24399296	NA	BioGRID
NRP1	Affinity Capture-Western, Reconstituted Complex	physical	20675371, 21186301	NA	BioGRID
OCLN	Affinity Capture-Luminescence, Affinity Capture-Western	physical	15761153	NA	BioGRID
OTUB1	Affinity Capture-Western, Biochemical Activity	physical	25872870	NA	BioGRID
OXSR1	Affinity Capture-Western	physical	15761153	NA	BioGRID
PAK1	Affinity Capture-Western, Reconstituted Complex	physical	15761153	NA	BioGRID
PARD6A	Affinity Capture-Western	physical	15761148	NA	BioGRID
PEG10	Affinity Capture-Western	physical	15611116	NA	BioGRID
PIK3R1	Affinity Capture-Western	physical	9435577	NA	BioGRID
PIK3R2	Affinity Capture-Western	physical	9435577	NA	BioGRID
PPP1R16B	Affinity Capture-Western	physical	15761153	NA	BioGRID
PPP2R2A	Affinity Capture-Western, Reconstituted Complex	physical	9774674	NA	BioGRID
PSEN1	Affinity Capture-Western, Co-localization	physical	24399296	NA	BioGRID
RANBP9	Affinity Capture-Western, Reconstituted Complex, Two-hybrid	physical	24103590	NA	BioGRID
RASSF1	Affinity Capture-Western	physical	27292796	NA	BioGRID
SH3KBP1	Affinity Capture-Western	physical	26169354	NA	BioGRID
SKI	Affinity Capture-Western, Reconstituted Complex	physical	20959473	NA	BioGRID
SKIL	Affinity Capture-Western	physical	20959473	NA	BioGRID
SMAD2	Affinity Capture-Western, Biochemical Activity, Co-fractionation, anti tag coimmunoprecipitation	physical, physical association	11102446, 12543979, 15350225, 18511908, 19139564, 23687300, 25872870	0.40	BioGRID, IntAct, MINT
SMAD3	Affinity Capture-Western, Biochemical Activity	physical	12543979, 19758997, 25872870	NA	BioGRID
SMAD4	Affinity Capture-Luminescence, Co-fractionation	physical	11102446, 15761153	NA	BioGRID
SMAD6	Affinity Capture-Western	physical	20663871, 9436979	NA	BioGRID
SMAD7	Affinity Capture-Western, Co-localization, Reconstituted Complex	physical	10757800, 11163210, 12151385, 14657019, 14722617, 15148321, 15359284, 15946939, 16027725, 17314099, 19758997, 20663871, 21791611, 22624557, 23027871, 25149540, 9215638, 9335507	NA	BioGRID
SMURF1	Affinity Capture-Western	physical	11278251, 12857866, 14657019	NA	BioGRID
SMURF2	Affinity Capture-Western	physical	11163210, 21791611, 22624557, 23973329, 25149540, 26679521	NA	BioGRID
SNX6	Affinity Capture-Western	physical	11279102	NA	BioGRID
SPTBN1	Affinity Capture-Western	physical	12543979	NA	BioGRID
STRAP	Affinity Capture-Western, pull down	physical, physical association	10757800, 17314099, 9856985	0.40	BioGRID, IntAct
TAB2	Affinity Capture-Luminescence	physical	19556242	NA	BioGRID
TGFB1	Affinity Capture-Western, Reconstituted Complex, cross-linking study	direct interaction, physical	10716993, 15597342, 20856203, 8235612	0.44	BioGRID, IntAct
TGFBR2	Affinity Capture-Western, Co-fractionation, Phenotypic Enhancement, Two-hybrid, anti bait coimmunoprecipitation	association, genetic, physical	10757800, 11102446, 11483955, 19556242, 19758997, 21791611, 23868260, 25825445, 7890683	0.35	BioGRID, IntAct
TGFBRAP1	Affinity Capture-Western	physical	11278302	NA	BioGRID
TOLLIP	Affinity Capture-Western	physical	23027871	NA	BioGRID
TPM1	Affinity Capture-Western	physical	12543979	NA	BioGRID
TRAF4	Affinity Capture-Western	physical	23973329	NA	BioGRID
TRAF6	Affinity Capture-Western, Biochemical Activity, Co-localization, Reconstituted Complex	physical	18758450, 18922473, 24103590, 25622187, 26807171	NA	BioGRID
TRIM25	Affinity Capture-RNA	physical	29117863	NA	BioGRID
TSC22D1	Affinity Capture-Western, Reconstituted Complex, Two-hybrid	physical	21791611	NA	BioGRID
USP11	Affinity Capture-Western	physical	22773947	NA	BioGRID
USP15	Affinity Capture-Western	physical	22344298, 23973329, 24850914	NA	BioGRID
USP4	Affinity Capture-Western, Biochemical Activity, Reconstituted Complex	physical	22706160	NA	BioGRID