Details of experiments between the fragments Q12802~2468-2477 and P31946~1-246
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: AKAP13
Protein A fragment: 2468-2477
Protein A site: 14-3-3_pSer2473
Protein A modification: (SEP)2473
Protein A sequence: FGGFDSHQMN
Protein A construct: FGGFD(pSer)HQMN (crude synthetic peptide)

Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta

Average holdup BI: 0.25
Holdup BI standard deviation: 0.22
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): 1.01
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.


Experiment series 2

Protein A protein: AKAP13
Protein A fragment: 2468-2477
Protein A site: 14-3-3_pSer2473
Protein A modification: (SEP)2473
Protein A sequence: FGGFDSHQMN
Protein A construct: FGGFD(pSer)HQMN (crude synthetic peptide)

Protein B protein: YWHAB
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3beta

Average holdup BI: 0.1
Holdup BI standard deviation: 0.17
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): 0.59
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.