Details of experiments between P62258 and Q15276
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 402-411
Protein B site: 14-3-3_pSer407
Protein B modification: (SEP)407
Protein B sequence: LRRAQSTDSL
Protein B construct: LRRAQ(pSer)TDSL (crude synthetic peptide)

Average holdup BI: 0.48
Holdup BI standard deviation: 0.06
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): 5.86
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: 3.81


Experiment series 2

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 402-411
Protein B site: 14-3-3_pSer407
Protein B modification: (SEP)407
Protein B sequence: LRRAQSTDSL
Protein B construct: LRRAQ(pSer)TDSL (crude synthetic peptide)

Average holdup BI: 0.43
Holdup BI standard deviation: 0.03
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): 5.54
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: 3.82


Experiment series 3

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 425-434
Protein B site: 14-3-3_pSer430
Protein B modification: (SEP)430
Protein B sequence: NYKAKSAGNL
Protein B construct: NYKAK(pSer)AGNL (crude synthetic peptide)

Average holdup BI: 0.65
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): 5.08
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: 4.12


Experiment series 4

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 425-434
Protein B site: 14-3-3_pSer430
Protein B modification: (SEP)430
Protein B sequence: NYKAKSAGNL
Protein B construct: NYKAK(pSer)AGNL (crude synthetic peptide)

Average holdup BI: 0.65
Holdup BI standard deviation: 0.08
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): 3.84
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: 4.21


Experiment series 5

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 372-381
Protein B site: 14-3-3_pSer377
Protein B modification: (SEP)377
Protein B sequence: RGSVHSLDAG
Protein B construct: RGSVH(pSer)LDAG (crude synthetic peptide)

Average holdup BI: 0.14
Holdup BI standard deviation: 0.09
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): 1.85
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: 3.07


Experiment series 6

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 372-381
Protein B site: 14-3-3_pSer377
Protein B modification: (SEP)377
Protein B sequence: RGSVHSLDAG
Protein B construct: RGSVH(pSer)LDAG (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.07
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): 1.49
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 411-420
Protein B site: 14-3-3_pSer416
Protein B modification: (SEP)416
Protein B sequence: LGTSGSLQSK
Protein B construct: LGTSG(pSer)LQSK (crude synthetic peptide)

Average holdup BI: 0.06
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): 1.48
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 8

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 408-417
Protein B site: 14-3-3_pThr413
Protein B modification: (TPO)413
Protein B sequence: TDSLGTSGSL
Protein B construct: TDSLG(pThr)SGSL (crude synthetic peptide)

Average holdup BI: -0.15
Holdup BI standard deviation: 0.18
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): 0.83
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 9

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 157-166
Protein B site: 14-3-3_pSer162
Protein B modification: (SEP)162
Protein B sequence: LRRRLSEGQE
Protein B construct: LRRRL(pSer)EGQE (crude synthetic peptide)

Average holdup BI: -0.26
Holdup BI standard deviation: 0.66
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 10

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 411-420
Protein B site: 14-3-3_pSer416
Protein B modification: (SEP)416
Protein B sequence: LGTSGSLQSK
Protein B construct: LGTSG(pSer)LQSK (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.04
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): 0.26
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 11

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 408-417
Protein B site: 14-3-3_pThr413
Protein B modification: (TPO)413
Protein B sequence: TDSLGTSGSL
Protein B construct: TDSLG(pThr)SGSL (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.06
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): 0.12
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 12

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: RABEP1
Protein B fragment: 157-166
Protein B site: 14-3-3_pSer162
Protein B modification: (SEP)162
Protein B sequence: LRRRLSEGQE
Protein B construct: LRRRL(pSer)EGQE (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.28
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): 0.08
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.