Details of experiments between the fragments Q15418~725-735 and Q8TCX5~504-602
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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.25
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: 1
Measured pKd: 3.93


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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.24
Holdup BI standard deviation: 0.02
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: 3
Measured pKd: 4.02


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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.24
Normalized holdup BI: 0.24
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: 4.34


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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.01
Normalized holdup BI: 0.01
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 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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.09
Normalized holdup BI: 0.09
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: 3.62


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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.24
Normalized holdup BI: 0.24
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
Measured pKd: 4.26


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: RHPN1
Protein B fragment: 504-602
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.21
Normalized holdup BI: 0.21
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: 4.27