Details of experiments between Q9H6H4 and P27348
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: REEP4
Protein A fragment: 219-228
Protein A site: 14-3-3_pSer224
Protein A modification: (SEP)224
Protein A sequence: LIRSQSLRVV
Protein A construct: LIRSQ(pSer)LRVV (crude synthetic peptide)
Protein B protein: YWHAQ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3tau
Average holdup BI: 0.82
Holdup BI standard deviation: 0.01
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): 9.18
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: 4.55
Experiment series 2
Protein A protein: REEP4
Protein A fragment: 147-156
Protein A site: 14-3-3_pSer152
Protein A modification: (SEP)152
Protein A sequence: RLRSFSMQDL
Protein A construct: RLRSF(pSer)MQDL (crude synthetic peptide)
Protein B protein: YWHAQ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3tau
Average holdup BI: 0.79
Holdup BI standard deviation: 0.07
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): 3.19
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: 4.46
Experiment series 3
Protein A protein: REEP4
Protein A fragment: 248-257
Protein A site: 14-3-3_pSer253
Protein A modification: (SEP)253
Protein A sequence: KKTVPSDVDS
Protein A construct: KKTVP(pSer)DVDS (crude synthetic peptide)
Protein B protein: YWHAQ
Protein B fragment: 1-245
Protein B site: 14-3-3
Protein B construct: avi-his6-MBP-TEVsite-14-3-3tau
Average holdup BI: -0.14
Holdup BI standard deviation: 0.18
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): 1.03
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.