Details of experiments between P31947 and Q15032
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 376-385
Protein B site: 14-3-3_pSer381
Protein B modification: (SEP)381
Protein B sequence: VTKASSFSGI
Protein B construct: VTKAS(pSer)FSGI (crude synthetic peptide)

Average holdup BI: 0.61
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 6.35
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: 4.04


Experiment series 2

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 376-385
Protein B site: 14-3-3_pSer381
Protein B modification: (SEP)381
Protein B sequence: VTKASSFSGI
Protein B construct: VTKAS(pSer)FSGI (crude synthetic peptide)

Average holdup BI: 0.64
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 113
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: 4.19


Experiment series 3

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1092-1101
Protein B site: 14-3-3_pSer1097
Protein B modification: (SEP)1097
Protein B sequence: ILERASSQ--
Protein B construct: FHILERA(pSer)SQ (crude synthetic peptide)

Average holdup BI: 0.39
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.83
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
Measured pKd: 3.76


Experiment series 4

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 376-385
Protein B site: 14-3-3_pSer381
Protein B modification: (SEP)381
Protein B sequence: VTKASSFSGI
Protein B construct: VTKAS(pSer)FSGI (crude synthetic peptide)

Average holdup BI: 0.61
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.68
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: 4.15


Experiment series 5

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1093-1102
Protein B site: 14-3-3_pSer1098
Protein B modification: (SEP)1098
Protein B sequence: LERASSQ---
Protein B construct: FHILERAS(pSer)Q (crude synthetic peptide)

Average holdup BI: 0.38
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.53
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: 3.73


Experiment series 6

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1093-1102
Protein B site: 14-3-3_pSer1098
Protein B modification: (SEP)1098
Protein B sequence: LERASSQ---
Protein B construct: FHILERAS(pSer)Q (crude synthetic peptide)

Average holdup BI: 0.32
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.8
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: 3.62


Experiment series 7

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1093-1102
Protein B site: 14-3-3_pSer1098
Protein B modification: (SEP)1098
Protein B sequence: LERASSQ---
Protein B construct: FHILERAS(pSer)Q (crude synthetic peptide)

Average holdup BI: 0.39
Holdup BI standard deviation: 0.14
Immobilized partner concentration in holdup experiment (10-6M): 142
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: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 3.65


Experiment series 8

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 294-303
Protein B site: 14-3-3_pSer299
Protein B modification: (SEP)299
Protein B sequence: RDRIFSQDSL
Protein B construct: RDRIF(pSer)QDSL (crude synthetic peptide)

Average holdup BI: -0.44
Holdup BI standard deviation: 0.3
Immobilized partner concentration in holdup experiment (10-6M): 113
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 9

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1092-1101
Protein B site: 14-3-3_pSer1097
Protein B modification: (SEP)1097
Protein B sequence: ILERASSQ--
Protein B construct: FHILERA(pSer)SQ (crude synthetic peptide)

Average holdup BI: 0.24
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.93
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: 3.35


Experiment series 10

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 350-359
Protein B site: 14-3-3_pSer355
Protein B modification: (SEP)355
Protein B sequence: NELKYSEPRP
Protein B construct: NELKY(pSer)EPRP (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.17
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 350-359
Protein B site: 14-3-3_pSer355
Protein B modification: (SEP)355
Protein B sequence: NELKYSEPRP
Protein B construct: NELKY(pSer)EPRP (crude synthetic peptide)

Average holdup BI: 0.04
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.54
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 1092-1101
Protein B site: 14-3-3_pSer1097
Protein B modification: (SEP)1097
Protein B sequence: ILERASSQ--
Protein B construct: FHILERA(pSer)SQ (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.53
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 275-284
Protein B site: 14-3-3_pSer280
Protein B modification: (SEP)280
Protein B sequence: KDDRRSKSIE
Protein B construct: KDDRR(pSer)KSIE (crude synthetic peptide)

Average holdup BI: -0.08
Holdup BI standard deviation: 0.16
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.49
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 14

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 275-284
Protein B site: 14-3-3_pSer280
Protein B modification: (SEP)280
Protein B sequence: KDDRRSKSIE
Protein B construct: KDDRR(pSer)KSIE (crude synthetic peptide)

Average holdup BI: 0.08
Holdup BI standard deviation: 0.15
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.48
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 137-146
Protein B site: 14-3-3_pSer142
Protein B modification: (SEP)142
Protein B sequence: LSRDSSQEYT
Protein B construct: LSRDS(pSer)QEYT (crude synthetic peptide)

Average holdup BI: -0.02
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.47
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 275-284
Protein B site: 14-3-3_pSer280
Protein B modification: (SEP)280
Protein B sequence: KDDRRSKSIE
Protein B construct: KDDRR(pSer)KSIE (crude synthetic peptide)

Average holdup BI: 0.02
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.26
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: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 137-146
Protein B site: 14-3-3_pSer142
Protein B modification: (SEP)142
Protein B sequence: LSRDSSQEYT
Protein B construct: LSRDS(pSer)QEYT (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.25
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 18

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 294-303
Protein B site: 14-3-3_pSer299
Protein B modification: (SEP)299
Protein B sequence: RDRIFSQDSL
Protein B construct: RDRIF(pSer)QDSL (crude synthetic peptide)

Average holdup BI: -0.02
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 111
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: 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 19

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 350-359
Protein B site: 14-3-3_pSer355
Protein B modification: (SEP)355
Protein B sequence: NELKYSEPRP
Protein B construct: NELKY(pSer)EPRP (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 111
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: 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 20

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 137-146
Protein B site: 14-3-3_pSer142
Protein B modification: (SEP)142
Protein B sequence: LSRDSSQEYT
Protein B construct: LSRDS(pSer)QEYT (crude synthetic peptide)

Average holdup BI: 0
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.08
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 21

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 388-397
Protein B site: 14-3-3_pSer393
Protein B modification: (SEP)393
Protein B sequence: LTRGDSSGSS
Protein B construct: LTRGD(pSer)SGSS (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 1.29
Immobilized partner concentration in holdup experiment (10-6M): 113
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: 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 22

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 294-303
Protein B site: 14-3-3_pSer299
Protein B modification: (SEP)299
Protein B sequence: RDRIFSQDSL
Protein B construct: RDRIF(pSer)QDSL (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.1
Immobilized partner concentration in holdup experiment (10-6M): 142
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 23

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: R3HDM1
Protein B fragment: 388-397
Protein B site: 14-3-3_pSer393
Protein B modification: (SEP)393
Protein B sequence: LTRGDSSGSS
Protein B construct: LTRGD(pSer)SGSS (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.87
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.01
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.