Details of experiments between the fragments Q12778~271-280 and P31946~1-246
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: FOXO1
Protein A fragment: 271-280
Protein A site: 14-3-3_pSer276
Protein A modification: (SEP)276
Protein A sequence: AKKKASLQSG
Protein A construct: AKKKA(pSer)LQSG (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.66
Holdup BI standard deviation: 0.42
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.65
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
Measured pKd: 4.27
Experiment series 2
Protein A protein: FOXO1
Protein A fragment: 271-280
Protein A site: 14-3-3_pSer276
Protein A modification: (SEP)276
Protein A sequence: AKKKASLQSG
Protein A construct: AKKKA(pSer)LQSG (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: -0.27
Holdup BI standard deviation: 1.28
Immobilized partner concentration in holdup experiment (10-6M): 134
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.2
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.