Details of experiments between Q6ZMN7 and Q9NS75
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: 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): 17.41
Standard deviation of dissociation constant (10-6M): 0.73
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.76


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: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: biotin-ttds-SVWLRKETRV

Average holdup BI: 0.2
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: 4.64


Experiment series 3

Protein A protein: PDZRN4
Protein A fragment: 389-498
Protein A site: PDZ_2
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: 0.08
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
The affinity was below the detection threshold of the assay.


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: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: biotin-ttds-SVWLRKETRV

Average holdup BI: 0.59
Normalized holdup BI: 0.59
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: 4.76


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: CYSLTR2
Protein B fragment: 337-346
Protein B site: PBM
Protein B sequence: SVWLRKETRV
Protein B construct: Biotin-ado-ado-SVWLRKETRV

Average holdup BI: 0.47
Normalized holdup BI: 0.52
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: 4.83