Details of experiments between Q14CM0 and Q6ZMN7
Note that the results of all experiments are listed, regardless of the modification states of the fragments.
Experiment series 1
Protein A protein: FRMPD4
Protein A fragment: 1313-1322
Protein A site: PBM
Protein A sequence: RLPKIKETTV
Protein A construct: biotin-ttds-RLPKIKETTV
Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ
Measured dissociation constant (10-6M): 19.74
Standard deviation of dissociation constant (10-6M): 0.94
Experiment method: competitive FP
Details of affinity fitting: Competitive binding equation in ProFit
PUBMED ID of publication: 36115835
Number of measurements: 3
Measured pKd: 4.7
Experiment series 2
Protein A protein: FRMPD4
Protein A fragment: 1313-1322
Protein A site: PBM
Protein A sequence: RLPKIKETTV
Protein A construct: biotin-ttds-RLPKIKETTV
Protein B protein: PDZRN4
Protein B fragment: 389-498
Protein B site: PDZ_2
Protein B construct: his6-MBP-TEVsite-PDZ
Average holdup BI: 0.14
Immobilized partner concentration in holdup experiment (10-6M): 6.6
Experiment method: SAPF_holdup
Details of affinity fitting: fluorescein + mCherry internal standards + normal layout
PUBMED ID of publication: 36115835
Number of measurements: 1
Measured pKd: 4.43
Experiment series 3
Protein A protein: FRMPD4
Protein A fragment: 1313-1322
Protein A site: PBM
Protein A sequence: RLPKIKETTV
Protein A construct: biotin-ttds-RLPKIKETTV
Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ
Average holdup BI: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 6.6
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 4
Protein A protein: FRMPD4
Protein A fragment: 1313-1322
Protein A site: PBM
Protein A sequence: RLPKIKETTV
Protein A construct: biotin-ttds-RLPKIKETTV
Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ
Average holdup BI: 0.48
Holdup BI standard deviation: 0.03
Normalized holdup BI: 0.48
Normalized holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 21.6
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: 3
Measured pKd: 4.67
Experiment series 5
Protein A protein: FRMPD4
Protein A fragment: 1313-1322
Protein A site: PBM
Protein A sequence: RLPKIKETTV
Protein A construct: Biotin-ado-ado-RLPKIKETTV
Protein B protein: PDZRN4
Protein B fragment: 214-318
Protein B site: PDZ_1
Protein B construct: his6-MBP-TEVsite-PDZ
Average holdup BI: 0.53
Normalized holdup BI: 0.59
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: 4.96
Experiment series 6
Protein A protein: FRMPD4
Protein A fragment: 67-160
Protein A site: PDZ
Protein A construct: his6-MBP-TEVsite-PDZ
Protein B protein: PDZRN4
Protein B fragment: 1027-1036
Protein B site: PBM
Protein B sequence: HNAFLSVTTV
Protein B construct: Biotin-Ahx-HNAFLSVTTV
Average holdup BI: 0.05
Holdup BI standard deviation: 0.01
Normalized holdup BI: 0.05
Normalized holdup BI standard deviation: 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
Experimental details: The peptide stock solution had solubility issues. The peptide concentration in the affinity conversion step may differ from reality causing a systematic error in reported affinities.
PUBMED ID of publication: 36115835
Number of measurements: 2
Measured pKd: 3.5