Details of experiments between the fragments O75044~422-431 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: SRGAP2
Protein A fragment: 422-431
Protein A site: 14-3-3_pSer427
Protein A modification: (SEP)427
Protein A sequence: VKSTVSETFM
Protein A construct: VKSTV(pSer)ETFM (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: 0.46
Holdup BI standard deviation: 0.07
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): 4.98
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: 3.81
Experiment series 2
Protein A protein: SRGAP2
Protein A fragment: 422-431
Protein A site: 14-3-3_pSer427
Protein A modification: (SEP)427
Protein A sequence: VKSTVSETFM
Protein A construct: VKSTV(pSer)ETFM (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: 0.52
Holdup BI standard deviation: 0.14
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): 3.16
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: 3.9