Details of experiments between P62258 and Q5T5U3
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 228-237
Protein B site: 14-3-3_pSer233
Protein B modification: (SEP)233
Protein B sequence: SKQQTSTPVL
Protein B construct: SKQQT(pSer)TPVL (crude synthetic peptide)

Average holdup BI: 0.14
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.82
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: 3.07


Experiment series 2

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 228-237
Protein B site: 14-3-3_pSer233
Protein B modification: (SEP)233
Protein B sequence: SKQQTSTPVL
Protein B construct: SKQQT(pSer)TPVL (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.45
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 3

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 5-14
Protein B site: 14-3-3_pSer10
Protein B modification: (SEP)10
Protein B sequence: RRTGLSEGDG
Protein B construct: RRTGL(pSer)EGDG (crude synthetic peptide)

Average holdup BI: 0.83
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.98
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: 4.62


Experiment series 4

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 666-675
Protein B site: 14-3-3_pSer671
Protein B modification: (SEP)671
Protein B sequence: WVRTDSAPDQ
Protein B construct: WVRTD(pSer)APDQ (crude synthetic peptide)

Average holdup BI: 0.18
Holdup BI standard deviation: 0.11
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.82
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 5

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1492-1501
Protein B site: 14-3-3_pSer1497
Protein B modification: (SEP)1497
Protein B sequence: SLGKESTPSE
Protein B construct: SLGKE(pSer)TPSE (crude synthetic peptide)

Average holdup BI: -0.08
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.81
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 6

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 454-463
Protein B site: 14-3-3_pSer459
Protein B modification: (SEP)459
Protein B sequence: RQRSVSQERL
Protein B construct: RQRSV(pSer)QERL (crude synthetic peptide)

Average holdup BI: 0.19
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.65
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: 3.2


Experiment series 7

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 454-463
Protein B site: 14-3-3_pSer459
Protein B modification: (SEP)459
Protein B sequence: RQRSVSQERL
Protein B construct: RQRSV(pSer)QERL (crude synthetic peptide)

Average holdup BI: -0.19
Holdup BI standard deviation: 0.17
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.29
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 8

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 607-616
Protein B site: 14-3-3_pSer612
Protein B modification: (SEP)612
Protein B sequence: LPRGISQDRS
Protein B construct: LPRGI(pSer)QDRS (crude synthetic peptide)

Average holdup BI: 0.04
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.75
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 52-61
Protein B site: 14-3-3_pSer57
Protein B modification: (SEP)57
Protein B sequence: TLKRTSQGFG
Protein B construct: TLKRT(pSer)QGFG (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.7
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 10

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 666-675
Protein B site: 14-3-3_pSer671
Protein B modification: (SEP)671
Protein B sequence: WVRTDSAPDQ
Protein B construct: WVRTD(pSer)APDQ (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 143
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: 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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1712-1721
Protein B site: 14-3-3_pSer1717
Protein B modification: (SEP)1717
Protein B sequence: KSDSGSLGDA
Protein B construct: KSDSG(pSer)LGDA (crude synthetic peptide)

Average holdup BI: 0.23
Holdup BI standard deviation: 0.37
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.57
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 12

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 52-61
Protein B site: 14-3-3_pSer57
Protein B modification: (SEP)57
Protein B sequence: TLKRTSQGFG
Protein B construct: TLKRT(pSer)QGFG (crude synthetic peptide)

Average holdup BI: -0.03
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.44
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1487-1496
Protein B site: 14-3-3_pSer1492
Protein B modification: (SEP)1492
Protein B sequence: KDEKISLGKE
Protein B construct: KDEKI(pSer)LGKE (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.22
Immobilized partner concentration in holdup experiment (10-6M): 143
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 14

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1487-1496
Protein B site: 14-3-3_pSer1492
Protein B modification: (SEP)1492
Protein B sequence: KDEKISLGKE
Protein B construct: KDEKI(pSer)LGKE (crude synthetic peptide)

Average holdup BI: 0.02
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.22
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 607-616
Protein B site: 14-3-3_pSer612
Protein B modification: (SEP)612
Protein B sequence: LPRGISQDRS
Protein B construct: LPRGI(pSer)QDRS (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.14
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 16

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1391-1400
Protein B site: 14-3-3_pSer1396
Protein B modification: (SEP)1396
Protein B sequence: TKSKGSWGSG
Protein B construct: TKSKG(pSer)WGSG (crude synthetic peptide)

Average holdup BI: -0.1
Holdup BI standard deviation: 0.93
Immobilized partner concentration in holdup experiment (10-6M): 116
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: 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 17

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1492-1501
Protein B site: 14-3-3_pSer1497
Protein B modification: (SEP)1497
Protein B sequence: SLGKESTPSE
Protein B construct: SLGKE(pSer)TPSE (crude synthetic peptide)

Average holdup BI: 0
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.07
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 18

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1737-1746
Protein B site: 14-3-3_pSer1742
Protein B modification: (SEP)1742
Protein B sequence: MKKGKSTGSL
Protein B construct: MKKGK(pSer)TGSL (crude synthetic peptide)

Average holdup BI: -0.02
Holdup BI standard deviation: 0.32
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.04
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1737-1746
Protein B site: 14-3-3_pSer1742
Protein B modification: (SEP)1742
Protein B sequence: MKKGKSTGSL
Protein B construct: MKKGK(pSer)TGSL (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.03
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 20

Protein A protein: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1712-1721
Protein B site: 14-3-3_pSer1717
Protein B modification: (SEP)1717
Protein B sequence: KSDSGSLGDA
Protein B construct: KSDSG(pSer)LGDA (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.69
Immobilized partner concentration in holdup experiment (10-6M): 143
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.03
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: YWHAE
Protein A fragment: 1-255
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3epsilon

Protein B protein: ARHGAP21
Protein B fragment: 1798-1807
Protein B site: 14-3-3_pThr1803
Protein B modification: (TPO)1803
Protein B sequence: IRRRHTLGGH
Protein B construct: IRRRH(pThr)LGGH (crude synthetic peptide)

Average holdup BI: 0
Holdup BI standard deviation: 0.8
Immobilized partner concentration in holdup experiment (10-6M): 116
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0
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.