Interaction Details


Details of experiments between P31947 and Q9Y2J2
Note that the results of all experiments are listed, regardless of the modification states of the fragments.


Experiment series 1

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 415-424
Site: 14-3-3_pSer420
Modification: (SEP)420
Sequence: QTRRASALID
Construct: QTRRA(pSer)ALID (crude synthetic peptide)
Average holdup BI: 0.07
Holdup BI standard deviation: 0.11
Immobilized partner concentration (10-6M): 113
P value: 0.57
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 2

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 415-424
Site: 14-3-3_pSer420
Modification: (SEP)420
Sequence: QTRRASALID
Construct: QTRRA(pSer)ALID (crude synthetic peptide)
Average holdup BI: 0.04
Holdup BI standard deviation: 0.04
Immobilized partner concentration (10-6M): 142
P value: 1.11
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 5))

Experiment series 3

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 415-424
Site: 14-3-3_pSer420
Modification: (SEP)420
Sequence: QTRRASALID
Construct: QTRRA(pSer)ALID (crude synthetic peptide)
Average holdup BI: 0.01
Holdup BI standard deviation: 0.03
Immobilized partner concentration (10-6M): 111
P value: 0.23
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 4

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 438-447
Site: 14-3-3_pSer443
Modification: (SEP)443
Sequence: YTMSRSLDGA
Construct: YTMSR(pSer)LDGA (crude synthetic peptide)
Average holdup BI: 0.72
Holdup BI standard deviation: 0.04
Immobilized partner concentration (10-6M): 113
P value: 5.67
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 4.36
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 5

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 438-447
Site: 14-3-3_pSer443
Modification: (SEP)443
Sequence: YTMSRSLDGA
Construct: YTMSR(pSer)LDGA (crude synthetic peptide)
Average holdup BI: 0.75
Holdup BI standard deviation: 0.02
Immobilized partner concentration (10-6M): 142
P value: 8.35
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
Measured pKd: 4.31
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 5))

Experiment series 6

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 438-447
Site: 14-3-3_pSer443
Modification: (SEP)443
Sequence: YTMSRSLDGA
Construct: YTMSR(pSer)LDGA (crude synthetic peptide)
Average holdup BI: 0.63
Holdup BI standard deviation: 0.06
Immobilized partner concentration (10-6M): 111
P value: 5.94
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 4.19
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 7

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 455-464
Site: 14-3-3_pSer460
Modification: (SEP)460
Sequence: TTKGISQTNL
Construct: TTKGI(pSer)QTNL (crude synthetic peptide)
Average holdup BI: 0.02
Holdup BI standard deviation: 0.04
Immobilized partner concentration (10-6M): 113
P value: 0.3
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 8

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 455-464
Site: 14-3-3_pSer460
Modification: (SEP)460
Sequence: TTKGISQTNL
Construct: TTKGI(pSer)QTNL (crude synthetic peptide)
Average holdup BI: 0.02
Holdup BI standard deviation: 0.02
Immobilized partner concentration (10-6M): 142
P value: 1.25
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 5))

Experiment series 9

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 455-464
Site: 14-3-3_pSer460
Modification: (SEP)460
Sequence: TTKGISQTNL
Construct: TTKGI(pSer)QTNL (crude synthetic peptide)
Average holdup BI: 0.03
Holdup BI standard deviation: 0.03
Immobilized partner concentration (10-6M): 111
P value: 1.12
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 10

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 83-92
Site: 14-3-3_pSer88
Modification: (SEP)88
Sequence: EDDKLSQKSS
Construct: EDDKL(pSer)QKSS (crude synthetic peptide)
Average holdup BI: 0.18
Holdup BI standard deviation: 1.27
Immobilized partner concentration (10-6M): 111
P value: 0.1
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 11

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 952-961
Site: 14-3-3_pSer957
Modification: (SEP)957
Sequence: KTETISFGSV
Construct: KTETI(pSer)FGSV (crude synthetic peptide)
Average holdup BI: 0.02
Holdup BI standard deviation: 0.08
Immobilized partner concentration (10-6M): 113
P value: 0.15
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 12

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 952-961
Site: 14-3-3_pSer957
Modification: (SEP)957
Sequence: KTETISFGSV
Construct: KTETI(pSer)FGSV (crude synthetic peptide)
Average holdup BI: 0.01
Holdup BI standard deviation: 0.07
Immobilized partner concentration (10-6M): 142
P value: 0.08
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 5))

Experiment series 13

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 952-961
Site: 14-3-3_pSer957
Modification: (SEP)957
Sequence: KTETISFGSV
Construct: KTETI(pSer)FGSV (crude synthetic peptide)
Average holdup BI: 0.07
Holdup BI standard deviation: 0.07
Immobilized partner concentration (10-6M): 111
P value: 0.93
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 14

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 396-405
Site: 14-3-3_pThr401
Modification: (TPO)401
Sequence: PKKFLTLGSK
Construct: biotin-ttds-PKKFL(pThr)LGSK (HPLC-purified synthetic peptide)
Measured dissociation constant (10-6M): 40
Standard deviation of dissociation constant (10-6M): 2
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit
Date of measurement: 2022-02-09
Number of measurements: 3
Measured pKd: 4.4
DOI: 10.1101/2022.12.08.519103

Experiment series 15

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 396-405
Site: 14-3-3_pThr401
Modification: (TPO)401
Sequence: PKKFLTLGSK
Construct: PKKFL(pThr)LGSK (crude synthetic peptide)
Average holdup BI: 0.63
Holdup BI standard deviation: 0.06
Immobilized partner concentration (10-6M): 142
P value: 6.32
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
Measured pKd: 4.08
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 5))

Experiment series 16

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 396-405
Site: 14-3-3_pThr401
Modification: (TPO)401
Sequence: PKKFLTLGSK
Construct: PKKFL(pThr)LGSK (crude synthetic peptide)
Average holdup BI: 0.52
Holdup BI standard deviation: 0.04
Immobilized partner concentration (10-6M): 113
P value: 4.84
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 3.98
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 17

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Modification: 100_uM_FCA
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 396-405
Site: 14-3-3_pThr401
Modification: (TPO)401
Sequence: PKKFLTLGSK
Construct: PKKFL(pThr)LGSK (crude synthetic peptide)
Average holdup BI: 0.6
Holdup BI standard deviation: 0.07
Immobilized partner concentration (10-6M): 111
P value: 4.46
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 4.13
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))

Experiment series 18

Protein A

Protein: SFN
Fragment: 1-248
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B

Protein: EPB41L3
Fragment: 756-765
Site: 14-3-3_pThr761
Modification: (TPO)761
Sequence: EKRLSTSPVR
Construct: EKRLS(pThr)SPVR (crude synthetic peptide)
Average holdup BI: 0.17
Holdup BI standard deviation: 0.89
Immobilized partner concentration (10-6M): 113
P value: 0.13
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
The affinity was below the detection threshold of the assay.
DOI: 10.1101/2022.12.08.519103
Experimental Details

-log10(P Two-sided unpaired T-test (4 vs 4))