Details of experiments between the fragments Q7Z460~1079-1088 and P31947~1-248
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: CLASP1
Protein A fragment: 1079-1088
Protein A site: 14-3-3_pThr1084
Protein A modification: (TPO)1084
Protein A sequence: RTSPLTSPTN
Protein A construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma

Average holdup BI: 0.54
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 9.14
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: 3.92


Experiment series 2

Protein A protein: CLASP1
Protein A fragment: 1079-1088
Protein A site: 14-3-3_pThr1084
Protein A modification: (TPO)1084
Protein A sequence: RTSPLTSPTN
Protein A construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B modification: 100_uM_FCA
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma

Average holdup BI: 0.44
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.56
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: 3.84


Experiment series 3

Protein A protein: CLASP1
Protein A fragment: 1079-1088
Protein A site: 14-3-3_pThr1084
Protein A modification: (TPO)1084
Protein A sequence: RTSPLTSPTN
Protein A construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Protein B protein: SFN
Protein B fragment: 1-248
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3sigma

Average holdup BI: 0.47
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.2
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
Measured pKd: 3.89