Details of experiments between the fragments Q9NY99~70-159 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: SNTG2
Protein A fragment: 70-159
Protein A site: PDZ
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: 0.37
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: 5.16


Experiment series 2

Protein A protein: SNTG2
Protein A fragment: 70-159
Protein A site: PDZ
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: 0.53
Holdup BI standard deviation: 0.03
Normalized holdup BI: 0.63
Normalized holdup BI standard deviation: 0.03
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: 5.28


Experiment series 3

Protein A protein: SNTG2
Protein A fragment: 70-159
Protein A site: PDZ
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: 0.39
Normalized holdup BI: 0.49
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: 5.01


Experiment series 4

Protein A protein: SNTG2
Protein A fragment: 70-159
Protein A site: PDZ
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: 0.55
Normalized holdup BI: 0.61
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