Details of experiments between P49418 and Q96B97
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

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

Protein B protein: SH3KBP1
Protein B fragment: 1-665
Protein B construct: endogenous protein (Jurkat)

Average holdup BI: 0.19
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): 5.55
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: AMPH
Protein A fragment: 615-695
Protein A site: SH3
Protein A construct: avi(biotin)-his6-MBP-TEVsite-SH3

Protein B protein: SH3KBP1
Protein B fragment: 360-374
Protein B site: PxxP_1
Protein B sequence: EIKKIPPERPEMLPN
Protein B construct: Biotinylated 15-mer peptide (crude)

Average holdup BI: 0
Holdup BI standard deviation: 0.03
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 3

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

Protein B protein: SH3KBP1
Protein B fragment: 390-404
Protein B site: PxxP_2
Protein B sequence: LQKPSVPAIPPKKPR
Protein B construct: Biotinylated 15-mer peptide (crude)

Average holdup BI: 0.09
Holdup BI standard deviation: 0.03
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: 3.74


Experiment series 4

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

Protein B protein: SH3KBP1
Protein B fragment: 413-427
Protein B site: PxxP_3
Protein B sequence: RPGALPPRRPERPVG
Protein B construct: Biotinylated 15-mer peptide (crude)

Average holdup BI: 0.66
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
Measured pKd: 5.1


Experiment series 5

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

Protein B protein: SH3KBP1
Protein B fragment: 390-404
Protein B site: PxxP_2
Protein B sequence: LQKPSVPAIPPKKPR
Protein B construct: Bio E E Ado Ado-LQKPSVPAIPPKKPR-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: 2023/01/16
Number of measurements: 1
The affinity was below the detection threshold of the assay.