Details of experiments between O96013 and P31946
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: PAK4
Protein A fragment: 262-271
Protein A site: 14-3-3_pSer267
Protein A modification: (SEP)267
Protein A sequence: LGPHASEPQL
Protein A construct: LGPHA(pSer)EPQL (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.52
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): 8.39
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: 3.92
Experiment series 2
Protein A protein: PAK4
Protein A fragment: 262-271
Protein A site: 14-3-3_pSer267
Protein A modification: (SEP)267
Protein A sequence: LGPHASEPQL
Protein A construct: LGPHA(pSer)EPQL (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.5
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 102
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: 4
Experiment series 3
Protein A protein: PAK4
Protein A fragment: 36-45
Protein A site: 14-3-3_pSer41
Protein A modification: (SEP)41
Protein A sequence: PRQWQSLIEE
Protein A construct: PRQWQ(pSer)LIEE (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.73
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): 4.19
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: 4.3
Experiment series 4
Protein A protein: PAK4
Protein A fragment: 176-185
Protein A site: 14-3-3_pSer181
Protein A modification: (SEP)181
Protein A sequence: DKRPLSGPDV
Protein A construct: DKRPL(pSer)GPDV (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.14
Holdup BI standard deviation: 0.04
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): 2.96
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 5
Protein A protein: PAK4
Protein A fragment: 176-185
Protein A site: 14-3-3_pSer181
Protein A modification: (SEP)181
Protein A sequence: DKRPLSGPDV
Protein A construct: DKRPL(pSer)GPDV (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.12
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.76
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 6
Protein A protein: PAK4
Protein A fragment: 202-211
Protein A site: 14-3-3_pThr207
Protein A modification: (TPO)207
Protein A sequence: GRPFNTYPRA
Protein A construct: GRPFN(pThr)YPRA (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.69
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): 2.35
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: 4.23
Experiment series 7
Protein A protein: PAK4
Protein A fragment: 36-45
Protein A site: 14-3-3_pSer41
Protein A modification: (SEP)41
Protein A sequence: PRQWQSLIEE
Protein A construct: PRQWQ(pSer)LIEE (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.65
Holdup BI standard deviation: 0.17
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.28
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: 4.25
Experiment series 8
Protein A protein: PAK4
Protein A fragment: 469-478
Protein A site: 14-3-3_pSer474
Protein A modification: (SEP)474
Protein A sequence: VPRRKSLVGT
Protein A construct: VPRRK(pSer)LVGT (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.18
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): 2.19
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
The affinity was below the detection threshold of the assay.
Experiment series 9
Protein A protein: PAK4
Protein A fragment: 469-478
Protein A site: 14-3-3_pSer474
Protein A modification: (SEP)474
Protein A sequence: VPRRKSLVGT
Protein A construct: VPRRK(pSer)LVGT (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.15
Holdup BI standard deviation: 0.11
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.45
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: PAK4
Protein A fragment: 483-492
Protein A site: 14-3-3_pSer488
Protein A modification: (SEP)488
Protein A sequence: APELISRLPY
Protein A construct: APELI(pSer)RLPY (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: -0.11
Holdup BI standard deviation: 0.48
Immobilized partner concentration in holdup experiment (10-6M): 102
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.21
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 11
Protein A protein: PAK4
Protein A fragment: 483-492
Protein A site: 14-3-3_pSer488
Protein A modification: (SEP)488
Protein A sequence: APELISRLPY
Protein A construct: APELI(pSer)RLPY (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.03
Holdup BI standard deviation: 0.23
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): 0.11
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: PAK4
Protein A fragment: 162-171
Protein A site: 14-3-3_pSer167
Protein A modification: (SEP)167
Protein A sequence: SSREGSGGPQ
Protein A construct: SSREG(pSer)GGPQ (crude synthetic peptide)
Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta
Average holdup BI: 0.06
Holdup BI standard deviation: 0.58
Immobilized partner concentration in holdup experiment (10-6M): 102
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: 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.