Details of experiments between Q6P597 and P63104
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: KLC3
Protein A fragment: 461-470
Protein A site: 14-3-3_pSer466
Protein A modification: (SEP)466
Protein A sequence: MKRAMSLNTL
Protein A construct: MKRAM(pSer)LNTL (crude synthetic peptide)

Protein B protein: YWHAZ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3zeta

Average holdup BI: 0.84
Holdup BI standard deviation: 0.01
Immobilized partner concentration in holdup experiment (10-6M): 132
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 7.53
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: 4.59


Experiment series 2

Protein A protein: KLC3
Protein A fragment: 492-501
Protein A site: 14-3-3_pSer497
Protein A modification: (SEP)497
Protein A sequence: RTLSASTQDL
Protein A construct: RTLSA(pSer)TQDL (crude synthetic peptide)

Protein B protein: YWHAZ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3zeta

Average holdup BI: 0.37
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 132
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.73
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: 3.65


Experiment series 3

Protein A protein: KLC3
Protein A fragment: 168-177
Protein A site: 14-3-3_pSer173
Protein A modification: (SEP)173
Protein A sequence: PPRRDSLASL
Protein A construct: PPRRD(pSer)LASL (crude synthetic peptide)

Protein B protein: YWHAZ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3zeta

Average holdup BI: -0.02
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 132
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.13
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.