Details of experiments between Q8IZ21 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: PHACTR4
Protein A fragment: 459-468
Protein A site: 14-3-3_pSer464
Protein A modification: (SEP)464
Protein A sequence: LGRTRSLPIT
Protein A construct: LGRTR(pSer)LPIT (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: 0.97
Holdup BI standard deviation: 0
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): 7.06
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
Measured pKd: 5.44
Experiment series 2
Protein A protein: PHACTR4
Protein A fragment: 459-468
Protein A site: 14-3-3_pSer464
Protein A modification: (SEP)464
Protein A sequence: LGRTRSLPIT
Protein A construct: LGRTR(pSer)LPIT (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: 0.97
Holdup BI standard deviation: 0
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): 7.05
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: 5.57
Experiment series 3
Protein A protein: PHACTR4
Protein A fragment: 623-632
Protein A site: 14-3-3_pSer628
Protein A modification: (SEP)628
Protein A sequence: LTRKLSQRPT
Protein A construct: LTRKL(pSer)QRPT (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: -0.19
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): 1.82
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 4
Protein A protein: PHACTR4
Protein A fragment: 65-74
Protein A site: 14-3-3_pSer70
Protein A modification: (SEP)70
Protein A sequence: LERKISMRKP
Protein A construct: LERKI(pSer)MRKP (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: 0.47
Holdup BI standard deviation: 0.26
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): 1.68
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: 3.82
Experiment series 5
Protein A protein: PHACTR4
Protein A fragment: 126-135
Protein A site: 14-3-3_pSer131
Protein A modification: (SEP)131
Protein A sequence: PVRLASLRKA
Protein A construct: PVRLA(pSer)LRKA (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: 0.24
Holdup BI standard deviation: 0.26
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): 0.9
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 6
Protein A protein: PHACTR4
Protein A fragment: 552-561
Protein A site: 14-3-3_pSer557
Protein A modification: (SEP)557
Protein A sequence: LNHRPSEPEL
Protein A construct: LNHRP(pSer)EPEL (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: 0.05
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): 0.76
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: PHACTR4
Protein A fragment: 142-151
Protein A site: 14-3-3_pSer147
Protein A modification: (SEP)147
Protein A sequence: KKRLGSTGSQ
Protein A construct: KKRLG(pSer)TGSQ (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: 0.32
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): 0.61
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: PHACTR4
Protein A fragment: 142-151
Protein A site: 14-3-3_pSer147
Protein A modification: (SEP)147
Protein A sequence: KKRLGSTGSQ
Protein A construct: KKRLG(pSer)TGSQ (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: -0.29
Holdup BI standard deviation: 0.37
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): 0.61
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: PHACTR4
Protein A fragment: 438-447
Protein A site: 14-3-3_pSer443
Protein A modification: (SEP)443
Protein A sequence: SHRAHSLLFE
Protein A construct: SHRAH(pSer)LLFE (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: 0.19
Holdup BI standard deviation: 0.3
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): 0.58
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: PHACTR4
Protein A fragment: 585-594
Protein A site: 14-3-3_pSer590
Protein A modification: (SEP)590
Protein A sequence: LIRRLSQRPT
Protein A construct: LIRRL(pSer)QRPT (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: 0.1
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): 0.55
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: PHACTR4
Protein A fragment: 265-274
Protein A site: 14-3-3_pSer270
Protein A modification: (SEP)270
Protein A sequence: PAHRNSNPVI
Protein A construct: PAHRN(pSer)NPVI (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: 0.05
Holdup BI standard deviation: 0.13
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): 0.37
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 12
Protein A protein: PHACTR4
Protein A fragment: 126-135
Protein A site: 14-3-3_pSer131
Protein A modification: (SEP)131
Protein A sequence: PVRLASLRKA
Protein A construct: PVRLA(pSer)LRKA (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: -0.08
Holdup BI standard deviation: 0.21
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): 0.36
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: PHACTR4
Protein A fragment: 552-561
Protein A site: 14-3-3_pSer557
Protein A modification: (SEP)557
Protein A sequence: LNHRPSEPEL
Protein A construct: LNHRP(pSer)EPEL (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: 0.02
Holdup BI standard deviation: 0.07
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): 0.3
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
The affinity was below the detection threshold of the assay.
Experiment series 14
Protein A protein: PHACTR4
Protein A fragment: 265-274
Protein A site: 14-3-3_pSer270
Protein A modification: (SEP)270
Protein A sequence: PAHRNSNPVI
Protein A construct: PAHRN(pSer)NPVI (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: 0.17
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): 0.27
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 15
Protein A protein: PHACTR4
Protein A fragment: 112-121
Protein A site: 14-3-3_pSer117
Protein A modification: (SEP)117
Protein A sequence: GNARSSSPVQ
Protein A construct: GNARS(pSer)SPVQ (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: 0.08
Holdup BI standard deviation: 0.32
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): 0.19
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 16
Protein A protein: PHACTR4
Protein A fragment: 112-121
Protein A site: 14-3-3_pSer117
Protein A modification: (SEP)117
Protein A sequence: GNARSSSPVQ
Protein A construct: GNARS(pSer)SPVQ (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: 0.16
Holdup BI standard deviation: 0.68
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): 0.18
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: PHACTR4
Protein A fragment: 585-594
Protein A site: 14-3-3_pSer590
Protein A modification: (SEP)590
Protein A sequence: LIRRLSQRPT
Protein A construct: LIRRL(pSer)QRPT (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: -0.02
Holdup BI standard deviation: 0.09
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): 0.14
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 18
Protein A protein: PHACTR4
Protein A fragment: 65-74
Protein A site: 14-3-3_pSer70
Protein A modification: (SEP)70
Protein A sequence: LERKISMRKP
Protein A construct: LERKI(pSer)MRKP (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: 0.01
Holdup BI standard deviation: 0.09
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): 0.1
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.