  *** Smad3[Ab] copptby[WB] TgfbR1[Ab] is increased irt Tgfb1 (1 hr)
    *** cells: HEPG2 in BMS
    *** source: 12543979-Fig-2
  *** TgfbR1[Ab] copptby[WB] Smad3[Ab] is increased irt Tgfb1 (1 hr)
    *** cells: HEPG2 in BMS
    *** source: 12543979-Fig-2


  *** xTgfbR1(K232R)"KD"[125I-Tgfb1-XL] copptby[WB] xSmad3[tAb] is detectable
    *** cells: COS in BMS
    *** inhibited by: xTgfbR1(WT) [substitution]
    *** source: 9311995-Fig-4

====================================================
Coprecipitation with other members of TgfbR1 complex
====================================================

Smad2--

  *** xSmad3[tAb] copptby[WB] xSmad2[tAb] is increased itpo xTgfbR1(T204D)"CA"
    *** cells: COS in BMS
    *** source: 9311995-Fig-6a

Smurf2--

  *** xSmad3[Ab] copptby[WB] xSmurf2[tAb] is increased itpo xTgfbR1(mnr)"CA"
    *** cells: HEK293 in BMS
    *** inhibited by: xSmad2(mnr)"phos-mut" [substitution]
    *** source: 11389444-Fig-1b
