Details of experiments between Q9NYF3 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: FAM53C
Protein A fragment: 249-258
Protein A site: 14-3-3_pSer254
Protein A modification: (SEP)254
Protein A sequence: RSSPASSPEL
Protein A construct: RSSPA(pSer)SPEL (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: 0.83
Holdup BI standard deviation: 0.01
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): 10.44
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
Measured pKd: 4.58


Experiment series 2

Protein A protein: FAM53C
Protein A fragment: 249-258
Protein A site: 14-3-3_pSer254
Protein A modification: (SEP)254
Protein A sequence: RSSPASSPEL
Protein A construct: RSSPA(pSer)SPEL (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: 0.75
Holdup BI standard deviation: 0.01
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): 8.27
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
Measured pKd: 4.42


Experiment series 3

Protein A protein: FAM53C
Protein A fragment: 249-258
Protein A site: 14-3-3_pSer254
Protein A modification: (SEP)254
Protein A sequence: RSSPASSPEL
Protein A construct: RSSPA(pSer)SPEL (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: 0.82
Holdup BI standard deviation: 0.01
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): 7.19
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: 4.52


Experiment series 4

Protein A protein: FAM53C
Protein A fragment: 227-236
Protein A site: 14-3-3_pSer232
Protein A modification: (SEP)232
Protein A sequence: PQRRFSLSPS
Protein A construct: PQRRF(pSer)LSPS (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: 0.53
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): 6.95
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


Experiment series 5

Protein A protein: FAM53C
Protein A fragment: 227-236
Protein A site: 14-3-3_pSer232
Protein A modification: (SEP)232
Protein A sequence: PQRRFSLSPS
Protein A construct: PQRRF(pSer)LSPS (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: 0.5
Holdup BI standard deviation: 0.03
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): 6.75
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: 3.87


Experiment series 6

Protein A protein: FAM53C
Protein A fragment: 227-236
Protein A site: 14-3-3_pSer232
Protein A modification: (SEP)232
Protein A sequence: PQRRFSLSPS
Protein A construct: PQRRF(pSer)LSPS (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: 0.49
Holdup BI standard deviation: 0.04
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): 6.09
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: 3.87


Experiment series 7

Protein A protein: FAM53C
Protein A fragment: 294-303
Protein A site: 14-3-3_pSer299
Protein A modification: (SEP)299
Protein A sequence: RRLRPSLDFD
Protein A construct: RRLRP(pSer)LDFD (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: 0.17
Holdup BI standard deviation: 0.18
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): 0.98
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: FAM53C
Protein A fragment: 294-303
Protein A site: 14-3-3_pSer299
Protein A modification: (SEP)299
Protein A sequence: RRLRPSLDFD
Protein A construct: RRLRP(pSer)LDFD (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: 0.22
Holdup BI standard deviation: 0.21
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): 0.93
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 9

Protein A protein: FAM53C
Protein A fragment: 294-303
Protein A site: 14-3-3_pSer299
Protein A modification: (SEP)299
Protein A sequence: RRLRPSLDFD
Protein A construct: RRLRP(pSer)LDFD (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: -0.46
Holdup BI standard deviation: 0.78
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): 0.78
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.