Details of experiments between the fragments P56524~345-354 and P62258~1-255
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: HDAC4
Protein A fragment: 345-354
Protein A site: 14-3-3_pSer350
Protein A modification: (SEP)350
Protein A sequence: LYTSPSLPNI
Protein A construct: LYTSP(pSer)LPNI (crude synthetic peptide)

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

Average holdup BI: 0.61
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): 3.33
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: 4.13


Experiment series 2

Protein A protein: HDAC4
Protein A fragment: 345-354
Protein A site: 14-3-3_pSer350
Protein A modification: (SEP)350
Protein A sequence: LYTSPSLPNI
Protein A construct: LYTSP(pSer)LPNI (crude synthetic peptide)

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

Average holdup BI: 0.56
Holdup BI standard deviation: 0.15
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): 2.29
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: 3.94