Details of experiments between the fragments Q96L92~40-141 and Q15418~725-735
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.43
Holdup BI standard deviation: 0.07
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: 4.3


Experiment series 2

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.11
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: 4
Measured pKd: 3.61


Experiment series 3

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

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: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Measured dissociation constant (10-6M): 56.51
Standard deviation of dissociation constant (10-6M): 3.88
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.25


Experiment series 5

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

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: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

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 7

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.15
Normalized holdup BI: 0.15
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: 4.1


Experiment series 8

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

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 9

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.15
Holdup BI standard deviation: 0.01
Normalized holdup BI: 0.17
Normalized holdup BI standard deviation: 0.01
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: 3.92


Experiment series 10

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.05
Normalized holdup BI: 0.05
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: 3.5


Experiment series 11

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.22
Normalized holdup BI: 0.25
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: 4.39


Experiment series 12

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

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

Average holdup BI: 0.22
Normalized holdup BI: 0.23
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: 4.32


Experiment series 13

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: RPS6KA1
Protein B fragment: 725-735
Protein B site: PBM
Protein B sequence: RVRKLPSTTL
Protein B construct: Biotin-ttds-RRVRKLPSTTL

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: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: RPS6KA1
Protein B fragment: 725-735
Protein B site: PBM
Protein B modification: (SEP)732
Protein B sequence: RVRKLPSTTL
Protein B construct: Biotin-ttds-RRVRKLP(pS)TTL

Measured dissociation constant (10-6M): 46
Standard deviation of dissociation constant (10-6M): 9
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
Measured pKd: 4.34