Details of experiments between the fragments Q8IZ21~126-135 and P31947~1-248
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: PHACTR4
Protein A fragment: 126-135
Protein A site: 14-3-3_pSer131
Protein A modification: (SEP)131
Protein A sequence: PVRLASLRKA
Protein A construct: PVRLA(pSer)LRKA (crude synthetic peptide)
Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma
Average holdup BI: -0.13
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.17
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.
Experiment series 2
Protein A protein: PHACTR4
Protein A fragment: 126-135
Protein A site: 14-3-3_pSer131
Protein A modification: (SEP)131
Protein A sequence: PVRLASLRKA
Protein A construct: PVRLA(pSer)LRKA (crude synthetic peptide)
Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma
Average holdup BI: -0.15
Holdup BI standard deviation: 0.17
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.98
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.
Experiment series 3
Protein A protein: PHACTR4
Protein A fragment: 126-135
Protein A site: 14-3-3_pSer131
Protein A modification: (SEP)131
Protein A sequence: PVRLASLRKA
Protein A construct: PVRLA(pSer)LRKA (crude synthetic peptide)
Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B modification: 100_uM_FCA
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma
Average holdup BI: 0.03
Holdup BI standard deviation: 0.19
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.13
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.