Details of experiments between the fragments Q15418~725-735 and O14907~7-124
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A modification: (SEP)732
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPpSTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.11
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 40
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: 3
Measured pKd: 3.47


Experiment series 2

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPSTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.03
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 31
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: 4
The affinity was below the detection threshold of the assay.


Experiment series 3

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A modification: (SEP)732
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPpSTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.03
Holdup BI standard deviation: 0.04
Normalized holdup BI: 0.03
Normalized holdup BI standard deviation: 0.05
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: 2
The affinity was below the detection threshold of the assay.


Experiment series 4

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A modification: (TPO)733
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPSpTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: -0.02
Holdup BI standard deviation: 0.04
Normalized holdup BI: -0.03
Normalized holdup BI standard deviation: 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: 2
The affinity was below the detection threshold of the assay.


Experiment series 5

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A modification: (TPO)734
Protein A sequence: RVRKLPSTTL
Protein A construct: Biotin-ttds-RRVRKLPSTpTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.14
Normalized holdup BI: 0.15
Immobilized partner concentration in holdup experiment (10-6M): 25
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: 3.87


Experiment series 6

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPSTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: -0.04
Holdup BI standard deviation: 0.08
Normalized holdup BI: -0.04
Normalized holdup BI standard deviation: 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: 2
The affinity was below the detection threshold of the assay.


Experiment series 7

Protein A protein: RPS6KA1
Protein A fragment: 725-735
Protein A site: PBM
Protein A modification: (SEP)732
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPpSTTL

Protein B protein: TX1BP3
Protein B fragment: 7-124
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.05
Normalized holdup BI: 0.06
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
Experimental details: not reported internal standards of holdup layout #5
Number of measurements: 1
Measured pKd: 3.62