Details of experiments between Q96L92 and K9N5R3
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: SNX27
Protein A fragment: 40-141
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: 0.44
Holdup BI standard deviation: 0.03
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
Measured pKd: 4.62


Experiment series 2

Protein A protein: SNX27
Protein A fragment: 40-141
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): 30.32
Standard deviation of dissociation constant (10-6M): 3.97
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit

PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.52


Experiment series 3

Protein A protein: SNX27
Protein A fragment: 40-141
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: 0.38
Normalized holdup BI: 0.38
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: 4.56


Experiment series 4

Protein A protein: SNX27
Protein A fragment: 40-141
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ

Protein B protein: MERS-E
Protein B fragment: 73-82
Protein B site: PBM
Protein B sequence: KPPLPPDEWV
Protein B construct: Biotin-ado-ado-KPPLPPDEWV

Average holdup BI: 0.47
Normalized holdup BI: 0.47
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: Crude peptide synthesis product. The peptide concentration in the affinity conversion step may differ from reality. Not reported internal standards of holdup layout #6
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 4.74