Details of experiments between Q14155 and P42768
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: WAS
Protein B fragment: 1-502
Protein B construct: endogenous protein (Jurkat)

Average holdup BI: 0.88
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): 6.86
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
Measured pKd: 5.87


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: WAS
Protein B fragment: 154-168
Protein B site: PxxP_1
Protein B sequence: GDRRQLPPPPTPANE
Protein B construct: Bio Ado Ado-GDRRQLPPPPTPANE-CONH2

Average holdup BI: 0.04
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.


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: WAS
Protein B fragment: 306-320
Protein B site: PxxP_2
Protein B sequence: EMRRQEPLPPPPPPS
Protein B construct: Bio Ado Ado-EMRRQEPLPPPPPPS-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.


Experiment series 4

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

Protein B protein: WAS
Protein B fragment: 310-324
Protein B site: PxxP_3
Protein B sequence: QEPLPPPPPPSRGGN
Protein B construct: Bio Ado Ado-QEPLPPPPPPSRGGN-CONH2

Average holdup BI: 0.02
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.


Experiment series 5

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

Protein B protein: WAS
Protein B fragment: 335-349
Protein B site: PxxP_4
Protein B sequence: NKGRSGPLPPVPLGI
Protein B construct: Bio Ado Ado-NKGRSGPLPPVPLGI-CONH2

Average holdup BI: 0.03
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.


Experiment series 6

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

Protein B protein: WAS
Protein B fragment: 353-367
Protein B site: PxxP_5
Protein B sequence: PPTPRGPPPPGRGGP
Protein B construct: Bio Ado Ado-PPTPRGPPPPGRGGP-CONH2

Average holdup BI: 0.02
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.


Experiment series 7

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

Protein B protein: WAS
Protein B fragment: 361-375
Protein B site: PxxP_6
Protein B sequence: PPGRGGPPPPPPPAT
Protein B construct: Bio Ado Ado-PPGRGGPPPPPPPAT-CONH2

Average holdup BI: 0.03
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.


Experiment series 8

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

Protein B protein: WAS
Protein B fragment: 374-388
Protein B site: PxxP_7
Protein B sequence: ATGRSGPLPPPPPGA
Protein B construct: Bio Ado Ado-ATGRSGPLPPPPPGA-CONH2

Average holdup BI: 0.02
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.