Details of experiments between the fragments Q6P0Q8~1102-1193 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: MAST2
Protein A fragment: 1102-1193
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: 0.25
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: 5
Measured pKd: 3.93


Experiment series 2

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.78
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: 5
Measured pKd: 5.1


Experiment series 3

Protein A protein: MAST2
Protein A fragment: 1102-1193
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): 21.72
Standard deviation of dissociation constant (10-6M): 1.37
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.66


Experiment series 4

Protein A protein: MAST2
Protein A fragment: 1102-1193
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): 137.65
Standard deviation of dissociation constant (10-6M): 7.39
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 3.86


Experiment series 5

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: MAST2
Protein A fragment: 1102-1193
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): 15.08
Standard deviation of dissociation constant (10-6M): 0.39
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.82


Experiment series 7

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.19
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
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 4.21


Experiment series 8

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.04
Normalized holdup BI: 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: 1
The affinity was below the detection threshold of the assay.


Experiment series 9

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.76
Holdup BI standard deviation: 0
Normalized holdup BI: 0.76
Normalized holdup BI standard deviation: 0
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: 5.17


Experiment series 10

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.78
Normalized holdup BI: 0.78
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: 5.37


Experiment series 11

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.24
Normalized holdup BI: 0.26
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: 4.41


Experiment series 12

Protein A protein: MAST2
Protein A fragment: 1102-1193
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: 0.36
Normalized holdup BI: 0.36
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: 4.61


Experiment series 13

Protein A protein: MAST2
Protein A fragment: 1102-1193
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): 7.02
Standard deviation of dissociation constant (10-6M): 0.27
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
Measured pKd: 5.15


Experiment series 14

Protein A protein: MAST2
Protein A fragment: 1102-1193
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): 0
Experiment method: SPR
PUBMED ID of publication: 30726710
Number of measurements: 1
The affinity was below the detection threshold of the assay.