Details of experiments between the fragments Q15418~725-735 and Q96QZ7~456-580
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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.12
Holdup BI standard deviation: 0.12
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: 3.52


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.46
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: 4.47


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 136.04
Standard deviation of dissociation constant (10-6M): 22.32
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 3.87


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 122.31
Standard deviation of dissociation constant (10-6M): 13.51
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 3.91


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Measured dissociation constant (10-6M): 71.89
Standard deviation of dissociation constant (10-6M): 24.9
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.14


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.04
Normalized holdup BI: 0.04
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
The affinity was below the detection threshold of the assay.


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: -0
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: 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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.28
Normalized holdup BI: 0.33
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: 4.32


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.22
Normalized holdup BI: 0.25
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: 4.3


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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ

Average holdup BI: 0.12
Normalized holdup BI: 0.14
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: 4.05


Experiment series 12

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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
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 13

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: MAGI1
Protein B fragment: 456-580
Protein B site: PDZ_2
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.