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No evidence for coppt with IL1R1
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Coprecipitation with other proteins in IL1R1C requires:

Ikk1--

  *** Tnfaip3[Ab] copptby[WB] Ripk1[Ab] is increased irt IL1 (15 min)
    *** cells: mEFs in BMS
    *** reqs: Ikk1 [RNAi]
    *** source: 21765415-Fig-6d

Tax1bp1-- phos sites

  *** Tnfaip3[Ab] copptby[WB] Traf6[Ab] is increased irt IL1 (times)
    *** cells: mEFs<Tax1bp1~null><xTax1bp1> in BMS
    *** times: 0 15 30 60+ 120+ min
    *** reqs: xTax1bp1 [omission]
    *** inhibited by: xTax1bp1(S593A/S666A) [substitution]
    *** source: 21765415-Fig-4b
  *** Tnfaip3[Ab] copptby[WB] Traf6[Ab] is increased irt IL1 (times)
    *** cells: mEFs in BMS
    *** times: 0 15 30 45+ 60+ 90+ 120+ 240+ min
    *** reqs: Tax1bp1 [KO]
    *** source: 20185725-Fig-S1a
  *** Tnfaip3[Ab] copptby[WB] Rnf11[Ab] is increased irt IL1 (times)
    *** cells: mEFs<Tax1bp1~null><xTax1bp1> in BMS
    *** times: 0 15 60+ 120+ min
    *** reqs: xTax1bp1 [omission]
    *** inhibited by: xTax1bp1(S593A/S666A) [substitution]
    *** inhibited by: xTax1bp1(S593A) [substitution]
    *** inhibited by: xTax1bp1(S666A) [substitution]
    *** source: 21765415-Fig-5d

no extras

  *** Tnfaip3[Ab] copptby[WB] Traf6[Ab] is increased irt IL1 (times)
    *** cells: mEFs in BMS
    *** times: 0 15 30 45+ 60+ 90+ 120+ 240+ min
    *** source: 20185725-Fig-1a
  *** Tnfaip3[Ab] copptby[WB] Traf6[Ab] is increased irt IL1 (times)
    *** cells: mEFs in BMS
    *** times: 0 15 30 60+ min
    *** source: 20185725-Fig-1b

Something wrong:

Why does Tnfaip3 take so much longer to coppt with Traf6 (45-60 min)
than Taxbp1 (15-30 min) but Taxbp1 requires Tnfaip3
The recruitment to IL1R1 hypothesis might not hold here
