Details of experiments between Q14155 and Q66K14
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: ARHGEF7
Protein A fragment: 178-251
Protein A site: SH3
Protein A construct: avi(biotin)-his6-MBP-TEVsite-SH3

Protein B protein: TBC1D9B
Protein B fragment: 1-1250
Protein B construct: endogenous protein (Jurkat)

Average holdup BI: 0.16
Immobilized partner concentration in holdup experiment (10-6M): 10
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.39
Experiment method: nHU_Jurkat
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.06.29.
Experimental details: -log10(P Two-sided unpaired T-test (6 vs 3))
Number of measurements: 3
The affinity was below the detection threshold of the assay.


Experiment series 2

Protein A protein: ARHGEF7
Protein A fragment: 178-251
Protein A site: SH3
Protein A construct: his6-MBP-TEVsite-SH3

Protein B protein: TBC1D9B
Protein B fragment: 261-275
Protein B site: PxxP_1
Protein B sequence: DKALPRPIRPHRNIS
Protein B construct: Bio Ado Ado-DKALPRPIRPHRNIS-CONH2

Average holdup BI: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: HU (DAPF)
Details of affinity fitting: Quadratic binding equation
Date of measurement: 2023/01/17
Number of measurements: 1
Measured pKd: 3.58


Experiment series 3

Protein A protein: ARHGEF7
Protein A fragment: 178-251
Protein A site: SH3
Protein A construct: his6-MBP-TEVsite-SH3

Protein B protein: TBC1D9B
Protein B fragment: 556-570
Protein B site: PxxP_2
Protein B sequence: DLHRSMPEHPAFQNE
Protein B construct: Bio Ado Ado-DLHRSMPEHPAFQNE-CONH2

Average holdup BI: 0.01
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: HU (DAPF)
Details of affinity fitting: Quadratic binding equation
Date of measurement: 2023/01/17
Number of measurements: 1
The affinity was below the detection threshold of the assay.