Details of experiments between the fragments Q6ZMN7~214-318 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: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.45
Holdup BI standard deviation: 0.13
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: 5
Measured pKd: 4.33


Experiment series 2

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.38
Holdup BI standard deviation: 0.11
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: 5
Measured pKd: 4.32


Experiment series 3

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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): 63.7
Standard deviation of dissociation constant (10-6M): 3.4
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.2


Experiment series 4

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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): 80.01
Standard deviation of dissociation constant (10-6M): 6.81
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.1


Experiment series 5

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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): 48.11
Standard deviation of dissociation constant (10-6M): 8.31
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.32


Experiment series 7

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.12
Holdup BI standard deviation: 0
Normalized holdup BI: 0.12
Normalized holdup BI standard deviation: 0
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: 3.98


Experiment series 8

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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
Holdup BI standard deviation: 0.02
Normalized holdup BI: 0.01
Normalized holdup BI standard deviation: 0.02
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: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.27
Normalized holdup BI: 0.32
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: 4.31


Experiment series 10

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.19
Holdup BI standard deviation: 0.02
Normalized holdup BI: 0.19
Normalized holdup BI standard deviation: 0.02
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: 4.13


Experiment series 11

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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: 0.19
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: 4.2


Experiment series 12

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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): 0.97
Standard deviation of dissociation constant (10-6M): 0.18
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
Measured pKd: 6.01


Experiment series 13

Protein A protein: PDZRN4
Protein A fragment: 214-318
Protein A site: PDZ_1
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): 7.1
Standard deviation of dissociation constant (10-6M): 0.9
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
Measured pKd: 5.15