Details of experiments between P61981 and Q9UQC2
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 128-137
Protein B site: 14-3-3_pSer133
Protein B modification: (SEP)133
Protein B sequence: LRNVSSAGHG
Protein B construct: LRNVS(pSer)AGHG (crude synthetic peptide)

Measured dissociation constant (10-6M): <100
Immobilized partner concentration in holdup experiment (10-6M): 129
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: 4


Experiment series 2

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 386-395
Protein B site: 14-3-3_pThr391
Protein B modification: (TPO)391
Protein B sequence: IPRRNTLPAM
Protein B construct: IPRRN(pThr)LPAM (crude synthetic peptide)

Measured dissociation constant (10-6M): <10
Immobilized partner concentration in holdup experiment (10-6M): 115
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: 1
Measured pKd: 5


Experiment series 3

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 386-395
Protein B site: 14-3-3_pThr391
Protein B modification: (TPO)391
Protein B sequence: IPRRNTLPAM
Protein B construct: IPRRN(pThr)LPAM (crude synthetic peptide)

Measured dissociation constant (10-6M): <10
Immobilized partner concentration in holdup experiment (10-6M): 134
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: 1
Measured pKd: 5


Experiment series 4

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 380-389
Protein B site: 14-3-3_pThr385
Protein B modification: (TPO)385
Protein B sequence: RSVAATIPRR
Protein B construct: RSVAA(pThr)IPRR (crude synthetic peptide)

Average holdup BI: 0.8
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.49
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: 4.48


Experiment series 5

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 386-395
Protein B site: 14-3-3_pThr391
Protein B modification: (TPO)391
Protein B sequence: IPRRNTLPAM
Protein B construct: IPRRN(pThr)LPAM (crude synthetic peptide)

Average holdup BI: 0.98
Holdup BI standard deviation: 0.01
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 7.25
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: 5.61


Experiment series 6

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 380-389
Protein B site: 14-3-3_pThr385
Protein B modification: (TPO)385
Protein B sequence: RSVAATIPRR
Protein B construct: RSVAA(pThr)IPRR (crude synthetic peptide)

Average holdup BI: 0.79
Holdup BI standard deviation: 0.02
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): 6.09
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 7

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 207-216
Protein B site: 14-3-3_pSer212
Protein B modification: (SEP)212
Protein B sequence: RSASFSQGTR
Protein B construct: RSASF(pSer)QGTR (crude synthetic peptide)

Average holdup BI: 0.63
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.91
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: 4.12


Experiment series 8

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 205-214
Protein B site: 14-3-3_pSer210
Protein B modification: (SEP)210
Protein B sequence: NARSASFSQG
Protein B construct: NARSA(pSer)FSQG (crude synthetic peptide)

Average holdup BI: 0.37
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): 4.91
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 380-389
Protein B site: 14-3-3_pThr385
Protein B modification: (TPO)385
Protein B sequence: RSVAATIPRR
Protein B construct: RSVAA(pThr)IPRR (crude synthetic peptide)

Average holdup BI: 0.82
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.75
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
Measured pKd: 4.62


Experiment series 10

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 205-214
Protein B site: 14-3-3_pSer210
Protein B modification: (SEP)210
Protein B sequence: NARSASFSQG
Protein B construct: NARSA(pSer)FSQG (crude synthetic peptide)

Average holdup BI: 0.5
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.08
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
Measured pKd: 3.89


Experiment series 11

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 205-214
Protein B site: 14-3-3_pSer210
Protein B modification: (SEP)210
Protein B sequence: NARSASFSQG
Protein B construct: NARSA(pSer)FSQG (crude synthetic peptide)

Average holdup BI: 0.28
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.07
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
Measured pKd: 3.55


Experiment series 12

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 317-326
Protein B site: 14-3-3_pSer322
Protein B modification: (SEP)322
Protein B sequence: PATPLSAYQI
Protein B construct: PATPL(pSer)AYQI (crude synthetic peptide)

Average holdup BI: 0.29
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.93
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: 3.56


Experiment series 13

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 467-476
Protein B site: 14-3-3_pSer472
Protein B modification: (SEP)472
Protein B sequence: RAGDNSQSVY
Protein B construct: RAGDN(pSer)QSVY (crude synthetic peptide)

Average holdup BI: -0.14
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): 3.26
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 467-476
Protein B site: 14-3-3_pSer472
Protein B modification: (SEP)472
Protein B sequence: RAGDNSQSVY
Protein B construct: RAGDN(pSer)QSVY (crude synthetic peptide)

Average holdup BI: -0.12
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 317-326
Protein B site: 14-3-3_pSer322
Protein B modification: (SEP)322
Protein B sequence: PATPLSAYQI
Protein B construct: PATPL(pSer)AYQI (crude synthetic peptide)

Average holdup BI: 0.21
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.69
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 259-268
Protein B site: 14-3-3_pSer264
Protein B modification: (SEP)264
Protein B sequence: TEFRDSTYDL
Protein B construct: TEFRD(pSer)TYDL (crude synthetic peptide)

Average holdup BI: -0.16
Holdup BI standard deviation: 0.11
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): 1.59
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 317-326
Protein B site: 14-3-3_pSer322
Protein B modification: (SEP)322
Protein B sequence: PATPLSAYQI
Protein B construct: PATPL(pSer)AYQI (crude synthetic peptide)

Average holdup BI: 0.16
Holdup BI standard deviation: 0.11
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): 1.42
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 467-476
Protein B site: 14-3-3_pSer472
Protein B modification: (SEP)472
Protein B sequence: RAGDNSQSVY
Protein B construct: RAGDN(pSer)QSVY (crude synthetic peptide)

Average holdup BI: -0.07
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.3
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 19

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 259-268
Protein B site: 14-3-3_pSer264
Protein B modification: (SEP)264
Protein B sequence: TEFRDSTYDL
Protein B construct: TEFRD(pSer)TYDL (crude synthetic peptide)

Average holdup BI: 0.06
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.72
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 259-268
Protein B site: 14-3-3_pSer264
Protein B modification: (SEP)264
Protein B sequence: TEFRDSTYDL
Protein B construct: TEFRD(pSer)TYDL (crude synthetic peptide)

Average holdup BI: -0.04
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 129
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.33
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: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 154-163
Protein B site: 14-3-3_pSer159
Protein B modification: (SEP)159
Protein B sequence: RERKSSAPSH
Protein B construct: RERKS(pSer)APSH (crude synthetic peptide)

Average holdup BI: -0.48
Holdup BI standard deviation: 0.9
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): 0.29
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 22

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 154-163
Protein B site: 14-3-3_pSer159
Protein B modification: (SEP)159
Protein B sequence: RERKSSAPSH
Protein B construct: RERKS(pSer)APSH (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.25
Immobilized partner concentration in holdup experiment (10-6M): 115
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.02
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 23

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 207-216
Protein B site: 14-3-3_pSer212
Protein B modification: (SEP)212
Protein B sequence: RSASFSQGTR
Protein B construct: biotin-ttds-RSASF(pSer)QGTR (HPLC-purified synthetic peptide)

Measured dissociation constant (10-6M): 69
Standard deviation of dissociation constant (10-6M): 8.6
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit

Date of measurement: 2022.01.18
Number of measurements: 3
Measured pKd: 4.16


Experiment series 24

Protein A protein: YWHAG
Protein A fragment: 1-247
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3gamma

Protein B protein: GAB2
Protein B fragment: 207-216
Protein B site: 14-3-3_pSer212
Protein B modification: (SEP)212
Protein B sequence: RSASFSQGTR
Protein B construct: biotin-ttds-RSASF(pSer)QGTR (HPLC-purified synthetic peptide)

Measured dissociation constant (10-6M): 54
Standard deviation of dissociation constant (10-6M): 7
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit

Date of measurement: 2022.01.10
Number of measurements: 3
Measured pKd: 4.27