Details of experiments between P31946 and Q86SQ0
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: PHLDB2
Protein B fragment: 195-204
Protein B site: 14-3-3_pSer200
Protein B modification: (SEP)200
Protein B sequence: RSGAASMPSS
Protein B construct: RSGAA(pSer)MPSS (crude synthetic peptide)

Average holdup BI: 0.82
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): 11.28
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: 4.66


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: PHLDB2
Protein B fragment: 195-204
Protein B site: 14-3-3_pSer200
Protein B modification: (SEP)200
Protein B sequence: RSGAASMPSS
Protein B construct: RSGAA(pSer)MPSS (crude synthetic peptide)

Average holdup BI: 0.86
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): 5.41
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: 4.66


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: PHLDB2
Protein B fragment: 272-281
Protein B site: 14-3-3_pSer277
Protein B modification: (SEP)277
Protein B sequence: LPPRNSLGNS
Protein B construct: LPPRN(pSer)LGNS (crude synthetic peptide)

Average holdup BI: 0.13
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): 4.63
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: 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: PHLDB2
Protein B fragment: 272-281
Protein B site: 14-3-3_pSer277
Protein B modification: (SEP)277
Protein B sequence: LPPRNSLGNS
Protein B construct: LPPRN(pSer)LGNS (crude synthetic peptide)

Average holdup BI: 0.1
Holdup BI standard deviation: 0.04
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): 3.09
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
The affinity was below the detection threshold of the assay.


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: PHLDB2
Protein B fragment: 484-493
Protein B site: 14-3-3_pSer489
Protein B modification: (SEP)489
Protein B sequence: EKLQLSDEES
Protein B construct: EKLQL(pSer)DEES (crude synthetic peptide)

Average holdup BI: -0.09
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): 2.07
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: 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: PHLDB2
Protein B fragment: 893-902
Protein B site: 14-3-3_pThr898
Protein B modification: (TPO)898
Protein B sequence: LYLSDTLPRK
Protein B construct: LYLSD(pThr)LPRK (crude synthetic peptide)

Average holdup BI: 0.24
Holdup BI standard deviation: 0.14
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): 1.83
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: 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: PHLDB2
Protein B fragment: 893-902
Protein B site: 14-3-3_pThr898
Protein B modification: (TPO)898
Protein B sequence: LYLSDTLPRK
Protein B construct: LYLSD(pThr)LPRK (crude synthetic peptide)

Average holdup BI: 0.13
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): 1.32
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: 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: PHLDB2
Protein B fragment: 207-216
Protein B site: 14-3-3_pSer212
Protein B modification: (SEP)212
Protein B sequence: QARKMSIQDS
Protein B construct: QARKM(pSer)IQDS (crude synthetic peptide)

Average holdup BI: 0.21
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): 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: PHLDB2
Protein B fragment: 463-472
Protein B site: 14-3-3_pSer468
Protein B modification: (SEP)468
Protein B sequence: PDSRLSTGTT
Protein B construct: PDSRL(pSer)TGTT (crude synthetic peptide)

Average holdup BI: -0.04
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): 0.81
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: 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: PHLDB2
Protein B fragment: 410-419
Protein B site: 14-3-3_pSer415
Protein B modification: (SEP)415
Protein B sequence: RERKSSISSI
Protein B construct: RERKS(pSer)ISSI (crude synthetic peptide)

Average holdup BI: 0.18
Holdup BI standard deviation: 0.19
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): 0.76
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 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: PHLDB2
Protein B fragment: 484-493
Protein B site: 14-3-3_pSer489
Protein B modification: (SEP)489
Protein B sequence: EKLQLSDEES
Protein B construct: EKLQL(pSer)DEES (crude synthetic peptide)

Average holdup BI: -0.07
Holdup BI standard deviation: 0.12
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): 0.69
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: PHLDB2
Protein B fragment: 207-216
Protein B site: 14-3-3_pSer212
Protein B modification: (SEP)212
Protein B sequence: QARKMSIQDS
Protein B construct: QARKM(pSer)IQDS (crude synthetic peptide)

Average holdup BI: 0.13
Holdup BI standard deviation: 0.22
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 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: PHLDB2
Protein B fragment: 463-472
Protein B site: 14-3-3_pSer468
Protein B modification: (SEP)468
Protein B sequence: PDSRLSTGTT
Protein B construct: PDSRL(pSer)TGTT (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.04
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): 0.28
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
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: PHLDB2
Protein B fragment: 1123-1132
Protein B site: 14-3-3_pThr1128
Protein B modification: (TPO)1128
Protein B sequence: RSHVETAGHN
Protein B construct: RSHVE(pThr)AGHN (crude synthetic peptide)

Average holdup BI: 0.19
Holdup BI standard deviation: 0.62
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 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: PHLDB2
Protein B fragment: 237-246
Protein B site: 14-3-3_pSer242
Protein B modification: (SEP)242
Protein B sequence: RTRKYSSSSL
Protein B construct: RTRKY(pSer)SSSL (crude synthetic peptide)

Average holdup BI: 0.02
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): 0.02
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.