Details of experiments between the fragments Q9NZN5~67-151 and P06463~149-158
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B sequence: RLQRRRETQV
Protein B construct: biotin-ttds-RLQRRRETQV

Average holdup BI: 0.21
Holdup BI standard deviation: 0.12
Immobilized partner concentration in holdup experiment (10-6M): 13.3
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: 4.33


Experiment series 2

Protein A protein: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B sequence: RLQRRRETQV
Protein B construct: biotin-ttds-RLQRRRETQV

Measured dissociation constant (10-6M): 121.2
Standard deviation of dissociation constant (10-6M): 6.5
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 3.92


Experiment series 3

Protein A protein: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B modification: (TPO)156
Protein B sequence: RLQRRRETQV
Protein B construct: Biotin-ttds-RLQRRREpTQV

Average holdup BI: -0.03
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: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B sequence: RLQRRRETQV
Protein B construct: biotin-ttds-RLQRRRETQV

Average holdup BI: 0.23
Normalized holdup BI: 0.25
Immobilized partner concentration in holdup experiment (10-6M): 43
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: 3.91


Experiment series 5

Protein A protein: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B sequence: RLQRRRETQV
Protein B construct: biotin-ttds-RLQRRRETQV

Average holdup BI: 0.12
Normalized holdup BI: 0.15
Immobilized partner concentration in holdup experiment (10-6M): 43
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: 3.62


Experiment series 6

Protein A protein: ARHGEF12
Protein A fragment: 67-151
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: HPV18-E6
Protein B fragment: 149-158
Protein B site: PBM
Protein B sequence: RLQRRRETQV
Protein B construct: biotin-ttds-RLQRRRETQV

Average holdup BI: 0.11
Normalized holdup BI: 0.15
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: 4.01