Details of experiments between the fragments Q6P0Q8~1102-1193 and P27228~140-149
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: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Average holdup BI: 0.52
Immobilized partner concentration in holdup experiment (10-6M): 39.7
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: 1
Measured pKd: 4.46


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: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Measured dissociation constant (10-6M): 38.09
Standard deviation of dissociation constant (10-6M): 3.16
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.42


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: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B modification: (TPO)147
Protein B sequence: SKPTRRETEV
Protein B construct: Biotin-ttds-SKPTRREpTEV

Average holdup BI: 0.04
Normalized holdup BI: 0.04
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
The affinity was below the detection threshold of the assay.


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: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Average holdup BI: 0.66
Holdup BI standard deviation: 0.06
Normalized holdup BI: 0.66
Normalized holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 18.55
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: 2
Measured pKd: 5.09


Experiment series 5

Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Average holdup BI: 0.38
Normalized holdup BI: 0.42
Immobilized partner concentration in holdup experiment (10-6M): 18.55
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: 4.63


Experiment series 6

Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Average holdup BI: 0.47
Normalized holdup BI: 0.47
Immobilized partner concentration in holdup experiment (10-6M): 18.55
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: 4.73


Experiment series 7

Protein A protein: MAST2
Protein A fragment: 1102-1193
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV35-E6
Protein B fragment: 140-149
Protein B site: PBM
Protein B sequence: SKPTRRETEV
Protein B construct: biotin-ttds-SKPTRRETEV

Average holdup BI: 0.61
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: not reported internal standards of holdup layout #6
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 5.01