Details of experiments between Q14155 and P06400
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: RB1
Protein B fragment: 1-928
Protein B construct: endogenous protein (Jurkat)
Average holdup BI: 0.04
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): 2.21
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: avi(biotin)-his6-MBP-TEVsite-SH3
Protein B protein: RB1
Protein B fragment: 244-258
Protein B site: PxxP_1
Protein B sequence: IPINGSPRTPRRGQN
Protein B construct: Biotinylated 15-mer peptide (crude)
Average holdup BI: 0.03
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.
Experiment series 3
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: RB1
Protein B fragment: 365-379
Protein B site: PxxP_2
Protein B sequence: EVNVIPPHTPVRTVM
Protein B construct: Biotinylated 15-mer peptide (crude)
Average holdup BI: 0.12
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: 3.9
Experiment series 4
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: RB1
Protein B fragment: 780-794
Protein B site: PxxP_3
Protein B sequence: SPIPHIPRSPYKFPS
Protein B construct: Biotinylated 15-mer peptide (crude)
Average holdup BI: 0.05
Holdup BI standard deviation: 0.05
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 5
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: RB1
Protein B fragment: 787-801
Protein B site: PxxP_4
Protein B sequence: RSPYKFPSSPLRIPG
Protein B construct: Biotinylated 15-mer peptide (crude)
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.
Experiment series 6
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: RB1
Protein B fragment: 862-876
Protein B site: PxxP_5
Protein B sequence: SAEGSNPPKPLKKLR
Protein B construct: Biotinylated 15-mer peptide (crude)
Average holdup BI: 0.01
Holdup BI standard deviation: 0.06
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.