Details of experiments between the fragments P30305~122-131 and P62258~1-255
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: CDC25B
Protein A fragment: 122-131
Protein A site: 14-3-3_pThr127
Protein A modification: (TPO)127
Protein A sequence: HMAEQTFEQA
Protein A construct: HMAEQ(pThr)FEQA (crude synthetic peptide)
Protein B protein: YWHAE
Protein B fragment: 1-255
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.27
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.16
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
Measured pKd: 3.5
Experiment series 2
Protein A protein: CDC25B
Protein A fragment: 122-131
Protein A site: 14-3-3_pThr127
Protein A modification: (TPO)127
Protein A sequence: HMAEQTFEQA
Protein A construct: HMAEQ(pThr)FEQA (crude synthetic peptide)
Protein B protein: YWHAE
Protein B fragment: 1-255
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.1
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.81
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.