Details of experiments between P61981 and O96013
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: PAK4
Protein B fragment: 202-211
Protein B site: 14-3-3_pThr207
Protein B modification: (TPO)207
Protein B sequence: GRPFNTYPRA
Protein B construct: GRPFN(pThr)YPRA (crude synthetic peptide)

Measured dissociation constant (10-6M): <10
Immobilized partner concentration in holdup experiment (10-6M): 115
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 construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PAK4
Protein B fragment: 262-271
Protein B site: 14-3-3_pSer267
Protein B modification: (SEP)267
Protein B sequence: LGPHASEPQL
Protein B construct: LGPHA(pSer)EPQL (crude synthetic peptide)

Average holdup BI: 0.65
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): 9.3
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: 4.15


Experiment series 3

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: PAK4
Protein B fragment: 262-271
Protein B site: 14-3-3_pSer267
Protein B modification: (SEP)267
Protein B sequence: LGPHASEPQL
Protein B construct: LGPHA(pSer)EPQL (crude synthetic peptide)

Average holdup BI: 0.56
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): 7.65
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: 4.06


Experiment series 4

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: PAK4
Protein B fragment: 262-271
Protein B site: 14-3-3_pSer267
Protein B modification: (SEP)267
Protein B sequence: LGPHASEPQL
Protein B construct: LGPHA(pSer)EPQL (crude synthetic peptide)

Average holdup BI: 0.63
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): 7.28
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 5

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: PAK4
Protein B fragment: 36-45
Protein B site: 14-3-3_pSer41
Protein B modification: (SEP)41
Protein B sequence: PRQWQSLIEE
Protein B construct: PRQWQ(pSer)LIEE (crude synthetic peptide)

Average holdup BI: 0.72
Holdup BI standard deviation: 0.04
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): 5.27
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: 4.36


Experiment series 6

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: PAK4
Protein B fragment: 176-185
Protein B site: 14-3-3_pSer181
Protein B modification: (SEP)181
Protein B sequence: DKRPLSGPDV
Protein B construct: DKRPL(pSer)GPDV (crude synthetic peptide)

Average holdup BI: 0.2
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): 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
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 construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: PAK4
Protein B fragment: 176-185
Protein B site: 14-3-3_pSer181
Protein B modification: (SEP)181
Protein B sequence: DKRPLSGPDV
Protein B construct: DKRPL(pSer)GPDV (crude synthetic peptide)

Average holdup BI: 0.13
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): 3.72
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: 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: PAK4
Protein B fragment: 36-45
Protein B site: 14-3-3_pSer41
Protein B modification: (SEP)41
Protein B sequence: PRQWQSLIEE
Protein B construct: PRQWQ(pSer)LIEE (crude synthetic peptide)

Average holdup BI: 0.59
Holdup BI standard deviation: 0.12
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): 3.51
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: 4.02


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: PAK4
Protein B fragment: 469-478
Protein B site: 14-3-3_pSer474
Protein B modification: (SEP)474
Protein B sequence: VPRRKSLVGT
Protein B construct: VPRRK(pSer)LVGT (crude synthetic peptide)

Average holdup BI: 0.26
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): 3.06
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 10

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: PAK4
Protein B fragment: 36-45
Protein B site: 14-3-3_pSer41
Protein B modification: (SEP)41
Protein B sequence: PRQWQSLIEE
Protein B construct: PRQWQ(pSer)LIEE (crude synthetic peptide)

Average holdup BI: 0.78
Holdup BI standard deviation: 0.13
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): 2.75
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: 4.44


Experiment series 11

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: PAK4
Protein B fragment: 469-478
Protein B site: 14-3-3_pSer474
Protein B modification: (SEP)474
Protein B sequence: VPRRKSLVGT
Protein B construct: VPRRK(pSer)LVGT (crude synthetic peptide)

Average holdup BI: 0.32
Holdup BI standard deviation: 0.13
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): 2.49
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: 3.55


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: PAK4
Protein B fragment: 176-185
Protein B site: 14-3-3_pSer181
Protein B modification: (SEP)181
Protein B sequence: DKRPLSGPDV
Protein B construct: DKRPL(pSer)GPDV (crude synthetic peptide)

Average holdup BI: 0.17
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): 2.49
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 13

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: PAK4
Protein B fragment: 202-211
Protein B site: 14-3-3_pThr207
Protein B modification: (TPO)207
Protein B sequence: GRPFNTYPRA
Protein B construct: GRPFN(pThr)YPRA (crude synthetic peptide)

Average holdup BI: 0.74
Holdup BI standard deviation: 0.05
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): 2.45
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: 4.32


Experiment series 14

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: PAK4
Protein B fragment: 469-478
Protein B site: 14-3-3_pSer474
Protein B modification: (SEP)474
Protein B sequence: VPRRKSLVGT
Protein B construct: VPRRK(pSer)LVGT (crude synthetic peptide)

Average holdup BI: 0.15
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): 0.88
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 15

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: PAK4
Protein B fragment: 483-492
Protein B site: 14-3-3_pSer488
Protein B modification: (SEP)488
Protein B sequence: APELISRLPY
Protein B construct: APELI(pSer)RLPY (crude synthetic peptide)

Average holdup BI: -0.11
Holdup BI standard deviation: 0.63
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): 0.15
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 16

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: PAK4
Protein B fragment: 162-171
Protein B site: 14-3-3_pSer167
Protein B modification: (SEP)167
Protein B sequence: SSREGSGGPQ
Protein B construct: SSREG(pSer)GGPQ (crude synthetic peptide)

Average holdup BI: -0.07
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): 0.1
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 17

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: PAK4
Protein B fragment: 483-492
Protein B site: 14-3-3_pSer488
Protein B modification: (SEP)488
Protein B sequence: APELISRLPY
Protein B construct: APELI(pSer)RLPY (crude synthetic peptide)

Average holdup BI: 0.01
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): 0.09
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.