Details of experiments between the fragments O15439~1316-1325 and Q6ZMN7~214-318
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: ABCC4
Protein A fragment: 1316-1325
Protein A site: PBM
Protein A sequence: STLTIFETAL
Protein A construct: biotin-ttds-STLTIFETAL

Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.41
Immobilized partner concentration in holdup experiment (10-6M): 10
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: 4.92


Experiment series 2

Protein A protein: ABCC4
Protein A fragment: 1316-1325
Protein A site: PBM
Protein A sequence: STLTIFETAL
Protein A construct: biotin-ttds-STLTIFETAL

Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.79
Holdup BI standard deviation: 0.01
Normalized holdup BI: 0.79
Normalized holdup BI standard deviation: 0.01
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
PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.42


Experiment series 3

Protein A protein: ABCC4
Protein A fragment: 1316-1325
Protein A site: PBM
Protein A sequence: STLTIFETAL
Protein A construct: biotin-ttds-STLTIFETAL

Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.61
Normalized holdup BI: 0.74
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: not reported internal standards of holdup layout #5
Number of measurements: 1
Measured pKd: 5.27


Experiment series 4

Protein A protein: ABCC4
Protein A fragment: 1316-1325
Protein A site: PBM
Protein A sequence: STLTIFETAL
Protein A construct: Biotin-ado-ado-STLTIFETAL

Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.79
Normalized holdup BI: 0.88
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: 5.69