Details of experiments between the fragments Q15418~725-735 and P57105~6-103
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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.51
Holdup BI standard deviation: 0.06
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: 4.43


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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.15
Holdup BI standard deviation: 0.05
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
Measured pKd: 3.77


Experiment series 3

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 0
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
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: (SEP)732
Protein A sequence: RVRKLPSTTL
Protein A construct: biotin-ttds-RRVRKLPpSTTL

Protein B protein: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 17.26
Standard deviation of dissociation constant (10-6M): 0.32
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.76


Experiment series 5

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 0
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
The affinity was below the detection threshold of the assay.


Experiment series 6

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 16.85
Standard deviation of dissociation constant (10-6M): 0.71
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.77


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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.24
Holdup BI standard deviation: 0.02
Normalized holdup BI: 0.29
Normalized holdup BI standard deviation: 0.02
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
Measured pKd: 4.48


Experiment series 8

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0
Holdup BI standard deviation: 0.01
Normalized holdup BI: 0.01
Normalized holdup BI standard deviation: 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: 2
The affinity was below the detection threshold of the assay.


Experiment series 9

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.34
Holdup BI standard deviation: 0.03
Normalized holdup BI: 0.41
Normalized holdup BI standard deviation: 0.04
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: 2
Measured pKd: 4.48


Experiment series 10

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.09
Holdup BI standard deviation: 0
Normalized holdup BI: 0.1
Normalized holdup BI standard deviation: 0
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
Measured pKd: 3.82


Experiment series 11

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.24
Normalized holdup BI: 0.29
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: 4.48


Experiment series 12

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.22
Normalized holdup BI: 0.27
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: 4.42


Experiment series 13

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: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 0
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
The affinity was below the detection threshold of the assay.


Experiment series 14

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-RRVRKLP(pS)TTL

Protein B protein: SYNJ2BP
Protein B fragment: 6-103
Protein B site: PDZ
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 25
Standard deviation of dissociation constant (10-6M): 1
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
Measured pKd: 4.6