Details of experiments between P61981 and P56524
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 modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: HDAC4
Protein B fragment: 260-269
Protein B site: 14-3-3_pSer265
Protein B modification: (SEP)265
Protein B sequence: VAERRSSPLL
Protein B construct: VAERR(pSer)SPLL (crude synthetic peptide)

Average holdup BI: 0.85
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): 8.5
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: 4.72


Experiment series 2

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: HDAC4
Protein B fragment: 260-269
Protein B site: 14-3-3_pSer265
Protein B modification: (SEP)265
Protein B sequence: VAERRSSPLL
Protein B construct: VAERR(pSer)SPLL (crude synthetic peptide)

Average holdup BI: 0.91
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): 8.4
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: 4.91


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: HDAC4
Protein B fragment: 260-269
Protein B site: 14-3-3_pSer265
Protein B modification: (SEP)265
Protein B sequence: VAERRSSPLL
Protein B construct: VAERR(pSer)SPLL (crude synthetic peptide)

Average holdup BI: 0.88
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): 8.28
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: 4.73


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: HDAC4
Protein B fragment: 345-354
Protein B site: 14-3-3_pSer350
Protein B modification: (SEP)350
Protein B sequence: LYTSPSLPNI
Protein B construct: LYTSP(pSer)LPNI (crude synthetic peptide)

Average holdup BI: 0.92
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): 7.52
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: 4.99


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: HDAC4
Protein B fragment: 627-636
Protein B site: 14-3-3_pSer632
Protein B modification: (SEP)632
Protein B sequence: LSRAQSSPAS
Protein B construct: LSRAQ(pSer)SPAS (crude synthetic peptide)

Average holdup BI: 0.98
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): 4.55
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: 5.55


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: HDAC4
Protein B fragment: 345-354
Protein B site: 14-3-3_pSer350
Protein B modification: (SEP)350
Protein B sequence: LYTSPSLPNI
Protein B construct: LYTSP(pSer)LPNI (crude synthetic peptide)

Average holdup BI: 0.89
Holdup BI standard deviation: 0.06
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): 4.35
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: 4.79


Experiment series 7

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: HDAC4
Protein B fragment: 627-636
Protein B site: 14-3-3_pSer632
Protein B modification: (SEP)632
Protein B sequence: LSRAQSSPAS
Protein B construct: LSRAQ(pSer)SPAS (crude synthetic peptide)

Average holdup BI: 0.97
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): 3.59
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: 5.32


Experiment series 8

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: HDAC4
Protein B fragment: 579-588
Protein B site: 14-3-3_pSer584
Protein B modification: (SEP)584
Protein B sequence: GQRQPSEQEL
Protein B construct: GQRQP(pSer)EQEL (crude synthetic peptide)

Average holdup BI: -0.08
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): 3.2
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: 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: HDAC4
Protein B fragment: 345-354
Protein B site: 14-3-3_pSer350
Protein B modification: (SEP)350
Protein B sequence: LYTSPSLPNI
Protein B construct: LYTSP(pSer)LPNI (crude synthetic peptide)

Average holdup BI: 0.91
Holdup BI standard deviation: 0.06
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): 2.94
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: 4.91


Experiment series 10

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: HDAC4
Protein B fragment: 627-636
Protein B site: 14-3-3_pSer632
Protein B modification: (SEP)632
Protein B sequence: LSRAQSSPAS
Protein B construct: LSRAQ(pSer)SPAS (crude synthetic peptide)

Average holdup BI: 0.94
Holdup BI standard deviation: 0.03
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): 2.43
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
Measured pKd: 5.18


Experiment series 11

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: HDAC4
Protein B fragment: 579-588
Protein B site: 14-3-3_pSer584
Protein B modification: (SEP)584
Protein B sequence: GQRQPSEQEL
Protein B construct: GQRQP(pSer)EQEL (crude synthetic peptide)

Average holdup BI: -0.06
Holdup BI standard deviation: 0.03
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): 1.91
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: 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: HDAC4
Protein B fragment: 579-588
Protein B site: 14-3-3_pSer584
Protein B modification: (SEP)584
Protein B sequence: GQRQPSEQEL
Protein B construct: GQRQP(pSer)EQEL (crude synthetic peptide)

Average holdup BI: -0.05
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): 1.64
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.