Details of experiments between Q92619 and P49418
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: ARHGAP45
Protein A fragment: 1-1136
Protein A construct: endogenous protein (Jurkat)

Protein B protein: AMPH
Protein B fragment: 615-695
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3

Average holdup BI: 0.22
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): 5.88
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: ARHGAP45
Protein A fragment: 1106-1120
Protein A site: PxxP_1
Protein A sequence: NNVLQAPLPPMRLRG
Protein A construct: Biotinylated 15-mer peptide (crude)

Protein B protein: AMPH
Protein B fragment: 615-695
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3

Average holdup BI: 0.3
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
Measured pKd: 4.41


Experiment series 3

Protein A protein: ARHGAP45
Protein A fragment: 681-695
Protein A site: PxxP_2
Protein A sequence: ELPVAVPSGPFRHEG
Protein A construct: Biotinylated 15-mer peptide (crude)

Protein B protein: AMPH
Protein B fragment: 615-695
Protein B site: SH3
Protein B construct: avi(biotin)-his6-MBP-TEVsite-SH3

Average holdup BI: -0.01
Holdup BI standard deviation: 0
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.


Experiment series 4

Protein A protein: ARHGAP45
Protein A fragment: 1106-1120
Protein A site: PxxP_1
Protein A sequence: NNVLQAPLPPMRLRG
Protein A construct: Bio E E Ado Ado-NNVLQAPLPPMRLRG-CONH2

Protein B protein: AMPH
Protein B fragment: 615-695
Protein B site: SH3
Protein B construct: his6-MBP-TEVsite-SH3

Average holdup BI: 0.23
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: HU (DAPF)
Details of affinity fitting: Quadratic binding equation
Date of measurement: 2023/01/16
Number of measurements: 1
Measured pKd: 4.23