Details of experiments between P31946 and O94915
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1954-1963
Protein B site: 14-3-3_pThr1959
Protein B modification: (TPO)1959
Protein B sequence: RRRSNTLDIM
Protein B construct: RRRSN(pThr)LDIM (crude synthetic peptide)

Measured dissociation constant (10-6M): <100
Immobilized partner concentration in holdup experiment (10-6M): 134
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: 4


Experiment series 2

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1973-1982
Protein B site: 14-3-3_pSer1978
Protein B modification: (SEP)1978
Protein B sequence: LARTRSLSSL
Protein B construct: LARTR(pSer)LSSL (crude synthetic peptide)

Average holdup BI: 0.89
Holdup BI standard deviation: 0.01
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): 9.76
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
Measured pKd: 4.91


Experiment series 3

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1936-1945
Protein B site: 14-3-3_pSer1941
Protein B modification: (SEP)1941
Protein B sequence: NARSNSLRLS
Protein B construct: NARSN(pSer)LRLS (crude synthetic peptide)

Average holdup BI: 0.43
Holdup BI standard deviation: 0.03
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): 7.35
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 4

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1936-1945
Protein B site: 14-3-3_pSer1941
Protein B modification: (SEP)1941
Protein B sequence: NARSNSLRLS
Protein B construct: NARSN(pSer)LRLS (crude synthetic peptide)

Average holdup BI: 0.47
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): 6.99
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1973-1982
Protein B site: 14-3-3_pSer1978
Protein B modification: (SEP)1978
Protein B sequence: LARTRSLSSL
Protein B construct: LARTR(pSer)LSSL (crude synthetic peptide)

Average holdup BI: 0.92
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): 5.84
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: 4.92


Experiment series 6

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1954-1963
Protein B site: 14-3-3_pThr1959
Protein B modification: (TPO)1959
Protein B sequence: RRRSNTLDIM
Protein B construct: RRRSN(pThr)LDIM (crude synthetic peptide)

Average holdup BI: 0.9
Holdup BI standard deviation: 0.03
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): 5.17
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: 4.96


Experiment series 7

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 477-486
Protein B site: 14-3-3_pThr482
Protein B modification: (TPO)482
Protein B sequence: LPSGNTLRVK
Protein B construct: LPSGN(pThr)LRVK (crude synthetic peptide)

Average holdup BI: 0.08
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): 1.46
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 8

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1967-1976
Protein B site: 14-3-3_pSer1972
Protein B modification: (SEP)1972
Protein B sequence: INHSSSLART
Protein B construct: INHSS(pSer)LART (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.11
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): 1.03
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1930-1939
Protein B site: 14-3-3_pSer1935
Protein B modification: (SEP)1935
Protein B sequence: YLGYNSNARS
Protein B construct: YLGYN(pSer)NARS (crude synthetic peptide)

Average holdup BI: 0.06
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): 0.91
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 98-107
Protein B site: 14-3-3_pSer103
Protein B modification: (SEP)103
Protein B sequence: RSSTKSKGDE
Protein B construct: RSSTK(pSer)KGDE (crude synthetic peptide)

Average holdup BI: -0.35
Holdup BI standard deviation: 0.52
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): 0.91
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 11

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1967-1976
Protein B site: 14-3-3_pSer1972
Protein B modification: (SEP)1972
Protein B sequence: INHSSSLART
Protein B construct: INHSS(pSer)LART (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.1
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): 0.88
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1940-1949
Protein B site: 14-3-3_pSer1945
Protein B modification: (SEP)1945
Protein B sequence: NSLRLSLIGD
Protein B construct: NSLRL(pSer)LIGD (crude synthetic peptide)

Average holdup BI: -0.34
Holdup BI standard deviation: 0.61
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): 0.68
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1940-1949
Protein B site: 14-3-3_pSer1945
Protein B modification: (SEP)1945
Protein B sequence: NSLRLSLIGD
Protein B construct: NSLRL(pSer)LIGD (crude synthetic peptide)

Average holdup BI: -0.1
Holdup BI standard deviation: 0.34
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): 0.23
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 14

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 1930-1939
Protein B site: 14-3-3_pSer1935
Protein B modification: (SEP)1935
Protein B sequence: YLGYNSNARS
Protein B construct: YLGYN(pSer)NARS (crude synthetic peptide)

Average holdup BI: 0.01
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): 0.21
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: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 2801-2810
Protein B site: 14-3-3_pThr2806
Protein B modification: (TPO)2806
Protein B sequence: DDCKRTFGAK
Protein B construct: DDCKR(pThr)FGAK (crude synthetic peptide)

Average holdup BI: -0.14
Holdup BI standard deviation: 1.84
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): 0.06
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 16

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 477-486
Protein B site: 14-3-3_pThr482
Protein B modification: (TPO)482
Protein B sequence: LPSGNTLRVK
Protein B construct: LPSGN(pThr)LRVK (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.1
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): 0.05
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
The affinity was below the detection threshold of the assay.


Experiment series 17

Protein A protein: YWHAB
Protein A fragment: 1-246
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3beta

Protein B protein: FRYL
Protein B fragment: 98-107
Protein B site: 14-3-3_pSer103
Protein B modification: (SEP)103
Protein B sequence: RSSTKSKGDE
Protein B construct: RSSTK(pSer)KGDE (crude synthetic peptide)

Average holdup BI: -0.03
Holdup BI standard deviation: 0.54
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): 0.04
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.