Details of experiments between P31946 and P30305
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: CDC25B
Protein B fragment: 318-327
Protein B site: 14-3-3_pSer323
Protein B modification: (SEP)323
Protein B sequence: LFRSPSMPCS
Protein B construct: LFRSP(pSer)MPCS (crude synthetic peptide)

Measured dissociation constant (10-6M): <10
Immobilized partner concentration in holdup experiment (10-6M): 102
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: 1
Measured pKd: 5


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: CDC25B
Protein B fragment: 225-234
Protein B site: 14-3-3_pSer230
Protein B modification: (SEP)230
Protein B sequence: AQRPSSAPDL
Protein B construct: AQRPS(pSer)APDL (crude synthetic peptide)

Average holdup BI: 0.92
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): 12.05
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
Measured pKd: 5.05


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: CDC25B
Protein B fragment: 146-155
Protein B site: 14-3-3_pSer151
Protein B modification: (SEP)151
Protein B sequence: IRRFQSMPDG
Protein B construct: IRRFQ(pSer)MPDG (crude synthetic peptide)

Average holdup BI: 0.88
Holdup BI standard deviation: 0.02
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): 8.55
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: 4.84


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: CDC25B
Protein B fragment: 558-567
Protein B site: 14-3-3_pSer563
Protein B modification: (SEP)563
Protein B sequence: RLKTRSWAGE
Protein B construct: RLKTR(pSer)WAGE (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): 8.52
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: 4.9


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: CDC25B
Protein B fragment: 146-155
Protein B site: 14-3-3_pSer151
Protein B modification: (SEP)151
Protein B sequence: IRRFQSMPVR
Protein B construct: IRRFQ(pSer)MPVR (crude synthetic peptide)

Average holdup BI: 0.9
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): 8.21
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
Measured pKd: 4.96


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: CDC25B
Protein B fragment: 558-567
Protein B site: 14-3-3_pSer563
Protein B modification: (SEP)563
Protein B sequence: RLKTRSWAGE
Protein B construct: RLKTR(pSer)WAGE (crude synthetic peptide)

Average holdup BI: 0.92
Holdup BI standard deviation: 0.03
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): 7.92
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: 4.91


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: CDC25B
Protein B fragment: 225-234
Protein B site: 14-3-3_pSer230
Protein B modification: (SEP)230
Protein B sequence: AQRPSSAPDL
Protein B construct: AQRPS(pSer)APDL (crude synthetic peptide)

Average holdup BI: 0.93
Holdup BI standard deviation: 0.01
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): 7.15
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: 4.98


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: CDC25B
Protein B fragment: 146-155
Protein B site: 14-3-3_pSer151
Protein B modification: (SEP)151
Protein B sequence: IRRFQSMPDG
Protein B construct: IRRFQ(pSer)MPDG (crude synthetic peptide)

Average holdup BI: 0.93
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): 5.8
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: 4.97


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: CDC25B
Protein B fragment: 146-155
Protein B site: 14-3-3_pSer151
Protein B modification: (SEP)151
Protein B sequence: IRRFQSMPVR
Protein B construct: IRRFQ(pSer)MPVR (crude synthetic peptide)

Average holdup BI: 0.79
Holdup BI standard deviation: 0.07
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): 4.62
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: 4.45


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: CDC25B
Protein B fragment: 122-131
Protein B site: 14-3-3_pThr127
Protein B modification: (TPO)127
Protein B sequence: HMAEQTFEQA
Protein B construct: HMAEQ(pThr)FEQA (crude synthetic peptide)

Average holdup BI: 0.37
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): 4.01
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
Measured pKd: 3.64


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: CDC25B
Protein B fragment: 53-62
Protein B site: 14-3-3_pThr58
Protein B modification: (TPO)58
Protein B sequence: TTLTQTMHDL
Protein B construct: TTLTQ(pThr)MHDL (crude synthetic peptide)

Average holdup BI: 0.38
Holdup BI standard deviation: 0.09
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): 3.3
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: 3.66


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: CDC25B
Protein B fragment: 53-62
Protein B site: 14-3-3_pThr58
Protein B modification: (TPO)58
Protein B sequence: TTLTQTMHDL
Protein B construct: TTLTQ(pThr)MHDL (crude synthetic peptide)

Average holdup BI: 0.26
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): 2.85
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: 3.53


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: CDC25B
Protein B fragment: 48-57
Protein B site: 14-3-3_pThr53
Protein B modification: (TPO)53
Protein B sequence: ASSPVTTLTQ
Protein B construct: ASSPV(pThr)TLTQ (crude synthetic peptide)

Average holdup BI: 0.12
Holdup BI standard deviation: 0.04
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): 2.82
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: CDC25B
Protein B fragment: 164-173
Protein B site: 14-3-3_pSer169
Protein B modification: (SEP)169
Protein B sequence: RNITNSQAPD
Protein B construct: RNITN(pSer)QAPD (crude synthetic peptide)

Average holdup BI: -0.12
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): 2.62
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: CDC25B
Protein B fragment: 51-60
Protein B site: 14-3-3_pThr56
Protein B modification: (TPO)56
Protein B sequence: PVTTLTQTMH
Protein B construct: PVTTL(pThr)QTMH (crude synthetic peptide)

Average holdup BI: 0.27
Holdup BI standard deviation: 0.1
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): 2.21
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
Measured pKd: 3.44


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: CDC25B
Protein B fragment: 204-213
Protein B site: 14-3-3_pSer209
Protein B modification: (SEP)209
Protein B sequence: KPTHPSSTHA
Protein B construct: KPTHP(pSer)STHA (crude synthetic peptide)

Average holdup BI: 0.23
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): 2.09
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
Measured pKd: 3.47


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: CDC25B
Protein B fragment: 399-408
Protein B site: 14-3-3_pThr404
Protein B modification: (TPO)404
Protein B sequence: AFLLQTVDGK
Protein B construct: AFLLQ(pThr)VDGK (crude synthetic peptide)

Average holdup BI: 0.14
Holdup BI standard deviation: 0.08
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): 1.73
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: 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: CDC25B
Protein B fragment: 48-57
Protein B site: 14-3-3_pThr53
Protein B modification: (TPO)53
Protein B sequence: ASSPVTTLTQ
Protein B construct: ASSPV(pThr)TLTQ (crude synthetic peptide)

Average holdup BI: 0.22
Holdup BI standard deviation: 0.16
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): 1.51
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: 3.43


Experiment series 19

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: CDC25B
Protein B fragment: 286-295
Protein B site: 14-3-3_pSer291
Protein B modification: (SEP)291
Protein B sequence: PPGMESLISA
Protein B construct: PPGME(pSer)LISA (crude synthetic peptide)

Average holdup BI: 0.2
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): 1.37
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: 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: CDC25B
Protein B fragment: 399-408
Protein B site: 14-3-3_pThr404
Protein B modification: (TPO)404
Protein B sequence: AFLLQTVDGK
Protein B construct: AFLLQ(pThr)VDGK (crude synthetic peptide)

Average holdup BI: 0.13
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): 1.1
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: 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: CDC25B
Protein B fragment: 164-173
Protein B site: 14-3-3_pSer169
Protein B modification: (SEP)169
Protein B sequence: RNITNSQAPD
Protein B construct: RNITN(pSer)QAPD (crude synthetic peptide)

Average holdup BI: -0.04
Holdup BI standard deviation: 0.05
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): 1.01
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 22

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: CDC25B
Protein B fragment: 460-469
Protein B site: 14-3-3_pSer465
Protein B modification: (SEP)465
Protein B sequence: ERDAESFLLK
Protein B construct: ERDAE(pSer)FLLK (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): 0.9
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: 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: CDC25B
Protein B fragment: 204-213
Protein B site: 14-3-3_pSer209
Protein B modification: (SEP)209
Protein B sequence: KPTHPSSTHA
Protein B construct: KPTHP(pSer)STHA (crude synthetic peptide)

Average holdup BI: -0.33
Holdup BI standard deviation: 0.5
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): 0.67
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 24

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: CDC25B
Protein B fragment: 122-131
Protein B site: 14-3-3_pThr127
Protein B modification: (TPO)127
Protein B sequence: HMAEQTFEQA
Protein B construct: HMAEQ(pThr)FEQA (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.08
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 25

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: CDC25B
Protein B fragment: 460-469
Protein B site: 14-3-3_pSer465
Protein B modification: (SEP)465
Protein B sequence: ERDAESFLLK
Protein B construct: ERDAE(pSer)FLLK (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.09
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): 0.5
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 26

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: CDC25B
Protein B fragment: 49-58
Protein B site: 14-3-3_pThr54
Protein B modification: (TPO)54
Protein B sequence: SSPVTTLTQT
Protein B construct: SSPVT(pThr)LTQT (crude synthetic peptide)

Average holdup BI: -0.05
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): 0.43
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 27

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: CDC25B
Protein B fragment: 162-171
Protein B site: 14-3-3_pThr167
Protein B modification: (TPO)167
Protein B sequence: VLRNITNSQA
Protein B construct: VLRNI(pThr)NSQA (crude synthetic peptide)

Average holdup BI: 0.01
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): 0.24
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 28

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: CDC25B
Protein B fragment: 51-60
Protein B site: 14-3-3_pThr56
Protein B modification: (TPO)56
Protein B sequence: PVTTLTQTMH
Protein B construct: PVTTL(pThr)QTMH (crude synthetic peptide)

Average holdup BI: 0.03
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): 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 29

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: CDC25B
Protein B fragment: 162-171
Protein B site: 14-3-3_pThr167
Protein B modification: (TPO)167
Protein B sequence: VLRNITNSQA
Protein B construct: VLRNI(pThr)NSQA (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.04
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): 0.11
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 30

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: CDC25B
Protein B fragment: 370-379
Protein B site: 14-3-3_pSer375
Protein B modification: (SEP)375
Protein B sequence: VLRSKSLCHD
Protein B construct: VLRSK(pSer)LCHD (crude synthetic peptide)

Average holdup BI: 0.09
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): 0.1
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 31

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: CDC25B
Protein B fragment: 286-295
Protein B site: 14-3-3_pSer291
Protein B modification: (SEP)291
Protein B sequence: PPGMESLISA
Protein B construct: PPGME(pSer)LISA (crude synthetic peptide)

Average holdup BI: 0.02
Holdup BI standard deviation: 0.18
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): 0.08
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 32

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: CDC25B
Protein B fragment: 49-58
Protein B site: 14-3-3_pThr54
Protein B modification: (TPO)54
Protein B sequence: SSPVTTLTQT
Protein B construct: SSPVT(pThr)LTQT (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.3
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): 0.01
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.