Details of experiments between Q8IVT5 and P62258
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: KSR1
Protein A fragment: 401-410
Protein A site: 14-3-3_pSer406
Protein A modification: (SEP)406
Protein A sequence: LRRTESVPSD
Protein A construct: LRRTE(pSer)VPSD (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: 0.25
Holdup BI standard deviation: 0.04
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): 4.82
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: 3.37
Experiment series 2
Protein A protein: KSR1
Protein A fragment: 401-410
Protein A site: 14-3-3_pSer406
Protein A modification: (SEP)406
Protein A sequence: LRRTESVPSD
Protein A construct: LRRTE(pSer)VPSD (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: 0.18
Holdup BI standard deviation: 0.05
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): 3.05
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: KSR1
Protein A fragment: 268-277
Protein A site: 14-3-3_pThr273
Protein A modification: (TPO)273
Protein A sequence: FITPPTTPQL
Protein A construct: FITPP(pThr)TPQL (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: -0.32
Holdup BI standard deviation: 0.26
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): 1.97
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 4
Protein A protein: KSR1
Protein A fragment: 268-277
Protein A site: 14-3-3_pThr273
Protein A modification: (TPO)273
Protein A sequence: FITPPTTPQL
Protein A construct: FITPP(pThr)TPQL (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: -0.26
Holdup BI standard deviation: 0.26
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): 1.18
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 5
Protein A protein: KSR1
Protein A fragment: 326-335
Protein A site: 14-3-3_pSer331
Protein A modification: (SEP)331
Protein A sequence: MRFDLSHGSP
Protein A construct: MRFDL(pSer)HGSP (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: -0.06
Holdup BI standard deviation: 0.15
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): 0.39
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 6
Protein A protein: KSR1
Protein A fragment: 326-335
Protein A site: 14-3-3_pSer331
Protein A modification: (SEP)331
Protein A sequence: MRFDLSHGSP
Protein A construct: MRFDL(pSer)HGSP (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: -0.13
Holdup BI standard deviation: 0.33
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): 0.34
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.