Details of experiments between the fragments Q6P0Q8~1102-1193 and Q9NS75~337-346
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: biotin-ttds-SVWLRKETRV
Measured dissociation constant (10-6M): 6.9
Standard deviation of dissociation constant (10-6M): 0.47
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit
PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.16
Experiment series 2
Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: biotin-ttds-SVWLRKETRV
Average holdup BI: 0.48
Immobilized partner concentration in holdup experiment (10-6M): 6.7
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: 5.3
Experiment series 3
Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: biotin-ttds-SVWLRKETRV
Average holdup BI: 0.82
Normalized holdup BI: 0.82
Immobilized partner concentration in holdup experiment (10-6M): 27
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: 1
Measured pKd: 5.27
Experiment series 4
Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: Biotin-ado-ado-SVWLRKETRV
Average holdup BI: 0.83
Normalized holdup BI: 0.83
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: 5.52