Interaction Details


Details of experiments between Q4KWH8 and P62258
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A

Protein: PLCH1
Fragment: 1411-1420
Site: 14-3-3_pSer1416
Modification: (SEP)1416
Sequence: ETLRPSVPEI
Construct: ETLRP(pSer)VPEI (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: -0.41
Holdup BI standard deviation: 0.16
Immobilized partner concentration (10-6M): 116
P value: 3.19
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: PLCH1
Fragment: 1411-1420
Site: 14-3-3_pSer1416
Modification: (SEP)1416
Sequence: ETLRPSVPEI
Construct: ETLRP(pSer)VPEI (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: -0.13
Holdup BI standard deviation: 0.15
Immobilized partner concentration (10-6M): 143
P value: 1.15
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: PLCH1
Fragment: 1625-1634
Site: 14-3-3_pSer1630
Modification: (SEP)1630
Sequence: AVNRHSTGSY
Construct: AVNRH(pSer)TGSY (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Measured dissociation constant (10-6M): <100
Immobilized partner concentration (10-6M): 116
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 1
Measured pKd: 4
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: PLCH1
Fragment: 918-927
Site: 14-3-3_pSer923
Modification: (SEP)923
Sequence: LRRTASAPAK
Construct: LRRTA(pSer)APAK (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.13
Holdup BI standard deviation: 0.14
Immobilized partner concentration (10-6M): 116
P value: 0.56
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 5

Protein A

Protein: PLCH1
Fragment: 918-927
Site: 14-3-3_pSer923
Modification: (SEP)923
Sequence: LRRTASAPAK
Construct: LRRTA(pSer)APAK (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: -0.01
Holdup BI standard deviation: 0.2
Immobilized partner concentration (10-6M): 143
P value: 0.05
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 6

Protein A

Protein: PLCH1
Fragment: 965-974
Site: 14-3-3_pSer970
Modification: (SEP)970
Sequence: QARPVSMPVD
Construct: QARPV(pSer)MPVD (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.74
Holdup BI standard deviation: 0.13
Immobilized partner concentration (10-6M): 143
P value: 4.93
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 7

Protein A

Protein: PLCH1
Fragment: 965-974
Site: 14-3-3_pSer970
Modification: (SEP)970
Sequence: QARPVSMPVD
Construct: QARPV(pSer)MPVD (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.6
Holdup BI standard deviation: 0.09
Immobilized partner concentration (10-6M): 116
P value: 4.54
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 4.11
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: PLCH1
Fragment: 1315-1324
Site: 14-3-3_pThr1320
Modification: (TPO)1320
Sequence: LPKSPTKGED
Construct: LPKSP(pThr)KGED (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.02
Holdup BI standard deviation: 0.11
Immobilized partner concentration (10-6M): 116
P value: 0.16
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 9

Protein A

Protein: PLCH1
Fragment: 1315-1324
Site: 14-3-3_pThr1320
Modification: (TPO)1320
Sequence: LPKSPTKGED
Construct: LPKSP(pThr)KGED (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: -0.05
Holdup BI standard deviation: 0.09
Immobilized partner concentration (10-6M): 143
P value: 0.49
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 10

Protein A

Protein: PLCH1
Fragment: 1515-1524
Site: 14-3-3_pThr1520
Modification: (TPO)1520
Sequence: SKSFVTTGIR
Construct: SKSFV(pThr)TGIR (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.36
Holdup BI standard deviation: 0.07
Immobilized partner concentration (10-6M): 143
P value: 4.03
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021-10-13
Number of measurements: 5
Measured pKd: 3.6
DOI: 10.1101/2022.12.08.519103
Experimental Details

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


Experiment series 11

Protein A

Protein: PLCH1
Fragment: 1515-1524
Site: 14-3-3_pThr1520
Modification: (TPO)1520
Sequence: SKSFVTTGIR
Construct: SKSFV(pThr)TGIR (crude synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Average holdup BI: 0.3
Holdup BI standard deviation: 0.04
Immobilized partner concentration (10-6M): 116
P value: 4.26
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022-02-17
Number of measurements: 4
Measured pKd: 3.57
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: PLCH1
Fragment: 1515-1524
Site: 14-3-3_pThr1520
Modification: (TPO)1520
Sequence: SKSFVTTGIR
Construct: biotin-ttds-SKSFV(pThr)TGIR (HPLC-purified synthetic peptide)

Protein B

Protein: YWHAE
Fragment: 1-255
Site: 14-3-3
Construct: avi-his6-MBP-TEVsite-14-3-3epsilon
Measured dissociation constant (10-6M): 380
Standard deviation of dissociation constant (10-6M): 146
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: 3.42
DOI: 10.1101/2022.12.08.519103