Details of experiments between the fragments Q6ZMN7~214-318 and Q9NYB5~703-712
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: SLCO1C1
Protein B fragment: 703-712
Protein B site: PBM
Protein B sequence: NYWPGKETQL
Protein B construct: biotin-ttds-NYWPGKETQL
Measured dissociation constant (10-6M): 3.38
Standard deviation of dissociation constant (10-6M): 0.15
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit
PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.47
Experiment series 2
Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: SLCO1C1
Protein B fragment: 703-712
Protein B site: PBM
Protein B sequence: NYWPGKETQL
Protein B construct: biotin-ttds-NYWPGKETQL
Average holdup BI: 0.34
Immobilized partner concentration in holdup experiment (10-6M): 5.5
Experiment method: SAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normal layout
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 5.1
Experiment series 3
Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: SLCO1C1
Protein B fragment: 703-712
Protein B site: PBM
Protein B sequence: NYWPGKETQL
Protein B construct: biotin-ttds-NYWPGKETQL
Average holdup BI: 0.71
Holdup BI standard deviation: 0.01
Normalized holdup BI: 0.71
Normalized holdup BI standard deviation: 0.01
Immobilized partner concentration in holdup experiment (10-6M): 11.3
Experiment method: DAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normalization based on CALIP_holdup data + reverse layout
PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.47
Experiment series 4
Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: SLCO1C1
Protein B fragment: 703-712
Protein B site: PBM
Protein B sequence: NYWPGKETQL
Protein B construct: biotin-ttds-NYWPGKETQL
Average holdup BI: 0.52
Normalized holdup BI: 0.63
Immobilized partner concentration in holdup experiment (10-6M): 11.3
Experiment method: DAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normalization based on CALIP_holdup data + reverse layout
Experimental details: not reported internal standards of holdup layout #5
Number of measurements: 1
Measured pKd: 5.28
Experiment series 5
Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: SLCO1C1
Protein B fragment: 703-712
Protein B site: PBM
Protein B sequence: NYWPGKETQL
Protein B construct: Biotin-ado-ado-NYWPGKETQL
Average holdup BI: 0.7
Normalized holdup BI: 0.78
Immobilized partner concentration in holdup experiment (10-6M): 18
Experiment method: DAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normalization based on CALIP_holdup data + reverse layout
Experimental details: Crude peptide synthesis product. The peptide concentration in the affinity conversion step may differ from reality. Not reported internal standards of holdup layout #6
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 5.38