Details of experiments between the fragments Q13884~107-196 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: SNTB1
Protein A fragment: 107-196
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): 8.93
Standard deviation of dissociation constant (10-6M): 1.45
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 5.05


Experiment series 2

Protein A protein: SNTB1
Protein A fragment: 107-196
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: -0.07
Normalized holdup BI: -0.08
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 3

Protein A protein: SNTB1
Protein A fragment: 107-196
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: 0.37
Holdup BI standard deviation: 0.22
Normalized holdup BI: 0.44
Normalized holdup BI standard deviation: 0.26
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: 4.68


Experiment series 4

Protein A protein: SNTB1
Protein A fragment: 107-196
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: 0.39
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: 4.64


Experiment series 5

Protein A protein: SNTB1
Protein A fragment: 107-196
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: 0.56
Normalized holdup BI: 0.62
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: 5.02