Details of experiments between the fragments Q6P0Q8~1102-1193 and K9N5R3~71-82
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: MERS-E
Protein B fragment: 71-82
Protein B site: PBM
Protein B sequence: KPPLPPDEWV
Protein B construct: biotin-DSKPPLPPDEWV

Average holdup BI: 0.01
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 20
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: 2
The affinity was below the detection threshold of the assay.


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: MERS-E
Protein B fragment: 71-82
Protein B site: PBM
Protein B sequence: KPPLPPDEWV
Protein B construct: biotin-DSKPPLPPDEWV

Measured dissociation constant (10-6M): 169.77
Standard deviation of dissociation constant (10-6M): 10.57
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 3.77


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: MERS-E
Protein B fragment: 71-82
Protein B site: PBM
Protein B sequence: KPPLPPDEWV
Protein B construct: biotin-DSKPPLPPDEWV

Average holdup BI: 0.07
Normalized holdup BI: 0.07
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: 3.66