Details of experiments between Q5SQI0 and P31947
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: ATAT1
Protein A fragment: 267-276
Protein A site: 14-3-3_pSer272
Protein A modification: (SEP)272
Protein A sequence: PPRSSSLGNS
Protein A construct: PPRSS(pSer)LGNS (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: 0.38
Holdup BI standard deviation: 0.05
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): 4.99
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: 3.74
Experiment series 2
Protein A protein: ATAT1
Protein A fragment: 267-276
Protein A site: 14-3-3_pSer272
Protein A modification: (SEP)272
Protein A sequence: PPRSSSLGNS
Protein A construct: PPRSS(pSer)LGNS (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: 0.47
Holdup BI standard deviation: 0.07
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): 4.77
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: 3.79
Experiment series 3
Protein A protein: ATAT1
Protein A fragment: 232-241
Protein A site: 14-3-3_pSer237
Protein A modification: (SEP)237
Protein A sequence: IKPYSSSDRE
Protein A construct: IKPYS(pSer)SDRE (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: 0.02
Holdup BI standard deviation: 0.03
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): 0.71
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 4
Protein A protein: ATAT1
Protein A fragment: 232-241
Protein A site: 14-3-3_pSer237
Protein A modification: (SEP)237
Protein A sequence: IKPYSSSDRE
Protein A construct: IKPYS(pSer)SDRE (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: 0.03
Holdup BI standard deviation: 0.05
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): 0.68
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 5
Protein A protein: ATAT1
Protein A fragment: 232-241
Protein A site: 14-3-3_pSer237
Protein A modification: (SEP)237
Protein A sequence: IKPYSSSDRE
Protein A construct: IKPYS(pSer)SDRE (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: 0.09
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): 0.27
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.