Details of experiments between the fragments Q9H0B6~605-614 and P61981~1-247
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: KLC2
Protein A fragment: 605-614
Protein A site: 14-3-3_pSer610
Protein A modification: (SEP)610
Protein A sequence: RTLSSSSMDL
Protein A construct: RTLSS(pSer)SMDL (crude synthetic peptide)

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

Average holdup BI: 0.5
Holdup BI standard deviation: 0.05
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): 5.58
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
Measured pKd: 3.88


Experiment series 2

Protein A protein: KLC2
Protein A fragment: 605-614
Protein A site: 14-3-3_pSer610
Protein A modification: (SEP)610
Protein A sequence: RTLSSSSMDL
Protein A construct: RTLSS(pSer)SMDL (crude synthetic peptide)

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

Average holdup BI: 0.54
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): 3.77
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: 3.94


Experiment series 3

Protein A protein: KLC2
Protein A fragment: 605-614
Protein A site: 14-3-3_pSer610
Protein A modification: (SEP)610
Protein A sequence: RTLSSSSMDL
Protein A construct: RTLSS(pSer)SMDL (crude synthetic peptide)

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

Average holdup BI: 0.42
Holdup BI standard deviation: 0.17
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): 2.38
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: 3.8