Details of experiments between the fragments Q6P0Q8~1102-1193 and Q15311~646-655
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: RALBP1
Protein B fragment: 646-655
Protein B site: PBM
Protein B sequence: PSRDRKETSI
Protein B construct: biotin-ttds-PSRDRKETSI

Measured dissociation constant (10-6M): 27.8
Standard deviation of dissociation constant (10-6M): 1.05
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.56


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: RALBP1
Protein B fragment: 646-655
Protein B site: PBM
Protein B sequence: PSRDRKETSI
Protein B construct: biotin-ttds-PSRDRKETSI

Average holdup BI: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 20
Experiment method: SAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normal layout
PUBMED ID of publication: 36115835
Number of measurements: 1
The affinity was below the detection threshold of the assay.


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: RALBP1
Protein B fragment: 646-655
Protein B site: PBM
Protein B sequence: PSRDRKETSI
Protein B construct: biotin-ttds-PSRDRKETSI

Average holdup BI: 0.66
Normalized holdup BI: 0.66
Immobilized partner concentration in holdup experiment (10-6M): 28
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: 4.88


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: RALBP1
Protein B fragment: 646-655
Protein B site: PBM
Protein B sequence: PSRDRKETSI
Protein B construct: biotin-ttds-PSRDRKETSI

Average holdup BI: 0.7
Normalized holdup BI: 0.7
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
Experimental details: not reported internal standards of holdup layout #6
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 5.19