Details of experiments between the fragments Q5T2W1~375-459 and O15439~1316-1325
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: NHERF3
Protein A fragment: 375-459
Protein A site: PDZ_4
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.26
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: 4.59


Experiment series 2

Protein A protein: NHERF3
Protein A fragment: 375-459
Protein A site: PDZ_4
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.49
Normalized holdup BI: 0.49
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: 1
Measured pKd: 4.78


Experiment series 3

Protein A protein: NHERF3
Protein A fragment: 375-459
Protein A site: PDZ_4
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.5
Normalized holdup BI: 0.5
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: 4.8


Experiment series 4

Protein A protein: NHERF3
Protein A fragment: 375-459
Protein A site: PDZ_4
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.63
Normalized holdup BI: 0.63
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: 5.04