Details of experiments between the fragments Q6P0Q8~1102-1193 and P03409~344-353
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: HTLV1-TAX1
Protein B fragment: 344-353
Protein B site: PBM
Protein B sequence: SEKHFRETEV
Protein B construct: biotin-ttds-SEKHFRETEV

Average holdup BI: 0.71
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 19
Experiment method: CALIP_holdup
Details of affinity fitting: BSA and lysozyme internal standards + bacterial cell lysate + normal layout
PUBMED ID of publication: 36115835
Number of measurements: 2
Measured pKd: 5.19


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: HTLV1-TAX1
Protein B fragment: 344-353
Protein B site: PBM
Protein B sequence: SEKHFRETEV
Protein B construct: biotin-ttds-SEKHFRETEV

Measured dissociation constant (10-6M): 7.15
Standard deviation of dissociation constant (10-6M): 0.37
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.15


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: HTLV1-TAX1
Protein B fragment: 344-353
Protein B site: PBM
Protein B sequence: SEKHFRETEV
Protein B construct: biotin-ttds-SEKHFRETEV

Average holdup BI: 0.76
Normalized holdup BI: 0.76
Immobilized partner concentration in holdup experiment (10-6M): 15
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: 5.42


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: HTLV1-TAX1
Protein B fragment: 344-353
Protein B site: PBM
Protein B sequence: SEKHFRETEV
Protein B construct: Biotin-ado-ado-SEKHFRETEV

Average holdup BI: 0.76
Normalized holdup BI: 0.76
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: 5.33