Details of experiments between P61981 and O95685
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 69-78
Protein B site: 14-3-3_pSer74
Protein B modification: (SEP)74
Protein B sequence: LRRARSLPSS
Protein B construct: LRRAR(pSer)LPSS (crude synthetic peptide)

Measured dissociation constant (10-6M): <10
Immobilized partner concentration in holdup experiment (10-6M): 134
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: 1
Measured pKd: 5


Experiment series 2

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 69-78
Protein B site: 14-3-3_pSer74
Protein B modification: (SEP)74
Protein B sequence: LRRARSLPSS
Protein B construct: LRRAR(pSer)LPSS (crude synthetic peptide)

Average holdup BI: 0.99
Holdup BI standard deviation: 0
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 6.57
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: 5.94


Experiment series 3

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 69-78
Protein B site: 14-3-3_pSer74
Protein B modification: (SEP)74
Protein B sequence: LRRARSLPSS
Protein B construct: LRRAR(pSer)LPSS (crude synthetic peptide)

Average holdup BI: 0.99
Holdup BI standard deviation: 0
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 6.42
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: 5.93


Experiment series 4

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 20-29
Protein B site: 14-3-3_pSer25
Protein B modification: (SEP)25
Protein B sequence: GPRSLSCLSD
Protein B construct: GPRSL(pSer)CLSD (crude synthetic peptide)

Average holdup BI: 0.71
Holdup BI standard deviation: 0.26
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.02
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: 4.33


Experiment series 5

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 72-81
Protein B site: 14-3-3_pSer77
Protein B modification: (SEP)77
Protein B sequence: ARSLPSSPER
Protein B construct: ARSLP(pSer)SPER (crude synthetic peptide)

Average holdup BI: 0.09
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.44
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 72-81
Protein B site: 14-3-3_pSer77
Protein B modification: (SEP)77
Protein B sequence: ARSLPSSPER
Protein B construct: ARSLP(pSer)SPER (crude synthetic peptide)

Average holdup BI: 0.07
Holdup BI standard deviation: 0.08
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): 0.88
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 7

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PPP1R3D
Protein B fragment: 72-81
Protein B site: 14-3-3_pSer77
Protein B modification: (SEP)77
Protein B sequence: ARSLPSSPER
Protein B construct: ARSLP(pSer)SPER (crude synthetic peptide)

Average holdup BI: -0.04
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.25
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.