Details of experiments between Q15027 and Q14155
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: ACAP1
Protein A fragment: 1-740
Protein A construct: endogenous protein (Jurkat)
Protein B protein: ARHGEF7
Protein B fragment: 178-251
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3
Average holdup BI: 0.24
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): 4.77
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: ACAP1
Protein A fragment: 534-548
Protein A site: PxxP_1
Protein A sequence: GRPRGQPPVPPKPSI
Protein A construct: Biotinylated 15-mer peptide (crude)
Protein B protein: ARHGEF7
Protein B fragment: 178-251
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3
Average holdup BI: 0.08
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: HU (DAPF)
Date of measurement: 2022.06.29.
Number of measurements: 4
Measured pKd: 3.72
Experiment series 3
Protein A protein: ACAP1
Protein A fragment: 553-567
Protein A site: PxxP_2
Protein A sequence: GSLRSKPEPPSEDLG
Protein A construct: Biotinylated 15-mer peptide (crude)
Protein B protein: ARHGEF7
Protein B fragment: 178-251
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3
Average holdup BI: 0.01
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: HU (DAPF)
Date of measurement: 2022.06.29.
Number of measurements: 2
The affinity was below the detection threshold of the assay.