Details of experiments between O95208 and P61981
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: EPN2
Protein A fragment: 168-177
Protein A site: 14-3-3_pSer173
Protein A modification: (SEP)173
Protein A sequence: FGRGSSQPNL
Protein A construct: FGRGS(pSer)QPNL (crude synthetic peptide)

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

Average holdup BI: 0.79
Holdup BI standard deviation: 0.03
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): 8.3
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: 4.47


Experiment series 2

Protein A protein: EPN2
Protein A fragment: 168-177
Protein A site: 14-3-3_pSer173
Protein A modification: (SEP)173
Protein A sequence: FGRGSSQPNL
Protein A construct: FGRGS(pSer)QPNL (crude synthetic peptide)

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

Average holdup BI: 0.76
Holdup BI standard deviation: 0.02
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): 6.92
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: 4.38


Experiment series 3

Protein A protein: EPN2
Protein A fragment: 168-177
Protein A site: 14-3-3_pSer173
Protein A modification: (SEP)173
Protein A sequence: FGRGSSQPNL
Protein A construct: FGRGS(pSer)QPNL (crude synthetic peptide)

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

Average holdup BI: 0.68
Holdup BI standard deviation: 0.02
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): 6.47
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: 4.29


Experiment series 4

Protein A protein: EPN2
Protein A fragment: 190-199
Protein A site: 14-3-3_pSer195
Protein A modification: (SEP)195
Protein A sequence: GGSPASYHGS
Protein A construct: GGSPA(pSer)YHGS (crude synthetic peptide)

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

Average holdup BI: 0.64
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): 6.41
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: 4.14


Experiment series 5

Protein A protein: EPN2
Protein A fragment: 190-199
Protein A site: 14-3-3_pSer195
Protein A modification: (SEP)195
Protein A sequence: GGSPASYHGS
Protein A construct: GGSPA(pSer)YHGS (crude synthetic peptide)

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

Average holdup BI: 0.52
Holdup BI standard deviation: 0.06
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): 4.33
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: 3.99


Experiment series 6

Protein A protein: EPN2
Protein A fragment: 190-199
Protein A site: 14-3-3_pSer195
Protein A modification: (SEP)195
Protein A sequence: GGSPASYHGS
Protein A construct: GGSPA(pSer)YHGS (crude synthetic peptide)

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

Average holdup BI: 0.58
Holdup BI standard deviation: 0.07
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): 3.74
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: 4.01


Experiment series 7

Protein A protein: EPN2
Protein A fragment: 311-320
Protein A site: 14-3-3_pThr316
Protein A modification: (TPO)316
Protein A sequence: ESRRDTVKIP
Protein A construct: ESRRD(pThr)VKIP (crude synthetic peptide)

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

Average holdup BI: 0.17
Holdup BI standard deviation: 0.08
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): 2.27
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.


Experiment series 8

Protein A protein: EPN2
Protein A fragment: 311-320
Protein A site: 14-3-3_pThr316
Protein A modification: (TPO)316
Protein A sequence: ESRRDTVKIP
Protein A construct: ESRRD(pThr)VKIP (crude synthetic peptide)

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

Average holdup BI: 0.09
Holdup BI standard deviation: 0.08
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): 1.25
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: EPN2
Protein A fragment: 311-320
Protein A site: 14-3-3_pThr316
Protein A modification: (TPO)316
Protein A sequence: ESRRDTVKIP
Protein A construct: ESRRD(pThr)VKIP (crude synthetic peptide)

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

Average holdup BI: 0.08
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): 1.02
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
The affinity was below the detection threshold of the assay.


Experiment series 10

Protein A protein: EPN2
Protein A fragment: 403-412
Protein A site: 14-3-3_pSer408
Protein A modification: (SEP)408
Protein A sequence: SVPKNSDPWA
Protein A construct: SVPKN(pSer)DPWA (crude synthetic peptide)

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

Average holdup BI: 0.09
Holdup BI standard deviation: 0.16
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): 0.49
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 11

Protein A protein: EPN2
Protein A fragment: 403-412
Protein A site: 14-3-3_pSer408
Protein A modification: (SEP)408
Protein A sequence: SVPKNSDPWA
Protein A construct: SVPKN(pSer)DPWA (crude synthetic peptide)

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

Average holdup BI: -0.05
Holdup BI standard deviation: 0.1
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): 0.43
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: EPN2
Protein A fragment: 322-331
Protein A site: 14-3-3_pSer327
Protein A modification: (SEP)327
Protein A sequence: KKEHGSLPQQ
Protein A construct: KKEHG(pSer)LPQQ (crude synthetic peptide)

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

Average holdup BI: 0.1
Holdup BI standard deviation: 0.44
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): 0.19
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 13

Protein A protein: EPN2
Protein A fragment: 322-331
Protein A site: 14-3-3_pSer327
Protein A modification: (SEP)327
Protein A sequence: KKEHGSLPQQ
Protein A construct: KKEHG(pSer)LPQQ (crude synthetic peptide)

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

Average holdup BI: -0.01
Holdup BI standard deviation: 0.16
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): 0.06
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 14

Protein A protein: EPN2
Protein A fragment: 403-412
Protein A site: 14-3-3_pSer408
Protein A modification: (SEP)408
Protein A sequence: SVPKNSDPWA
Protein A construct: SVPKN(pSer)DPWA (crude synthetic peptide)

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

Average holdup BI: 0
Holdup BI standard deviation: 0.09
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): 0.04
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.