Details of experiments between the fragments Q9UQC2~207-216 and Q04917~1-246
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: GAB2
Protein A fragment: 207-216
Protein A site: 14-3-3_pSer212
Protein A modification: (SEP)212
Protein A sequence: RSASFSQGTR
Protein A construct: RSASF(pSer)QGTR (crude synthetic peptide)
Protein B protein: YWHAH
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3eta
Average holdup BI: 0.51
Holdup BI standard deviation: 0.15
Immobilized partner concentration in holdup experiment (10-6M): 130
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.47
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: 3.89
Experiment series 2
Protein A protein: GAB2
Protein A fragment: 207-216
Protein A site: 14-3-3_pSer212
Protein A modification: (SEP)212
Protein A sequence: RSASFSQGTR
Protein A construct: biotin-ttds-RSASF(pSer)QGTR (HPLC-purified synthetic peptide)
Protein B protein: YWHAH
Protein B fragment: 1-246
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3eta
Measured dissociation constant (10-6M): 83
Standard deviation of dissociation constant (10-6M): 12
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit
Date of measurement: 2022.01.19
Number of measurements: 3
Measured pKd: 4.08