Details of experiments between P31947 and Q7Z460
Note that the results of all experiments are listed, regardless of the modification states of the fragments.



Experiment series 1

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1079-1088
Protein B site: 14-3-3_pThr1084
Protein B modification: (TPO)1084
Protein B sequence: RTSPLTSPTN
Protein B construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Average holdup BI: 0.54
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 9.14
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 3.92


Experiment series 2

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1079-1088
Protein B site: 14-3-3_pThr1084
Protein B modification: (TPO)1084
Protein B sequence: RTSPLTSPTN
Protein B construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Average holdup BI: 0.44
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.56
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.84


Experiment series 3

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1079-1088
Protein B site: 14-3-3_pThr1084
Protein B modification: (TPO)1084
Protein B sequence: RTSPLTSPTN
Protein B construct: RTSPL(pThr)SPTN (crude synthetic peptide)

Average holdup BI: 0.47
Holdup BI standard deviation: 0.02
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 8.2
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.89


Experiment series 4

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 682-691
Protein B site: 14-3-3_pSer687
Protein B modification: (SEP)687
Protein B sequence: KVVSQSQPGS
Protein B construct: KVVSQ(pSer)QPGS (crude synthetic peptide)

Average holdup BI: 0.44
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 5.67
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 3.75


Experiment series 5

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 277-286
Protein B site: 14-3-3_pThr282
Protein B modification: (TPO)282
Protein B sequence: RLGSSTLGSK
Protein B construct: RLGSS(pThr)LGSK (crude synthetic peptide)

Average holdup BI: 0.35
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 4.85
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
Measured pKd: 3.58


Experiment series 6

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 682-691
Protein B site: 14-3-3_pSer687
Protein B modification: (SEP)687
Protein B sequence: KVVSQSQPGS
Protein B construct: KVVSQ(pSer)QPGS (crude synthetic peptide)

Average holdup BI: 0.37
Holdup BI standard deviation: 0.07
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.5
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.72


Experiment series 7

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 631-640
Protein B site: 14-3-3_pSer636
Protein B modification: (SEP)636
Protein B sequence: PGSYASLGRI
Protein B construct: PGSYA(pSer)LGRI (crude synthetic peptide)

Average holdup BI: 0.15
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.22
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 8

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 277-286
Protein B site: 14-3-3_pThr282
Protein B modification: (TPO)282
Protein B sequence: RLGSSTLGSK
Protein B construct: RLGSS(pThr)LGSK (crude synthetic peptide)

Average holdup BI: 0.37
Holdup BI standard deviation: 0.11
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 3.15
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
Measured pKd: 3.72


Experiment series 9

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 589-598
Protein B site: 14-3-3_pSer594
Protein B modification: (SEP)594
Protein B sequence: VSTTGSLQRS
Protein B construct: VSTTG(pSer)LQRS (crude synthetic peptide)

Average holdup BI: 0.11
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.83
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 10

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1191-1200
Protein B site: 14-3-3_pSer1196
Protein B modification: (SEP)1196
Protein B sequence: KFSFRSQEDL
Protein B construct: KFSFR(pSer)QEDL (crude synthetic peptide)

Average holdup BI: -0.39
Holdup BI standard deviation: 0.23
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.3
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 11

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 631-640
Protein B site: 14-3-3_pSer636
Protein B modification: (SEP)636
Protein B sequence: PGSYASLGRI
Protein B construct: PGSYA(pSer)LGRI (crude synthetic peptide)

Average holdup BI: 0.2
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 2.24
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 12

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 631-640
Protein B site: 14-3-3_pSer636
Protein B modification: (SEP)636
Protein B sequence: PGSYASLGRI
Protein B construct: PGSYA(pSer)LGRI (crude synthetic peptide)

Average holdup BI: 0.17
Holdup BI standard deviation: 0.1
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.95
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 13

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 790-799
Protein B site: 14-3-3_pSer795
Protein B modification: (SEP)795
Protein B sequence: AMRVLSTSTD
Protein B construct: AMRVL(pSer)TSTD (crude synthetic peptide)

Average holdup BI: 0.16
Holdup BI standard deviation: 0.15
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 1.04
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 14

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 589-598
Protein B site: 14-3-3_pSer594
Protein B modification: (SEP)594
Protein B sequence: VSTTGSLQRS
Protein B construct: VSTTG(pSer)LQRS (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.06
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.84
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 15

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 628-637
Protein B site: 14-3-3_pSer633
Protein B modification: (SEP)633
Protein B sequence: ALPPGSYASL
Protein B construct: ALPPG(pSer)YASL (crude synthetic peptide)

Average holdup BI: -0.08
Holdup BI standard deviation: 0.13
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.58
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 16

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1191-1200
Protein B site: 14-3-3_pSer1196
Protein B modification: (SEP)1196
Protein B sequence: KFSFRSQEDL
Protein B construct: KFSFR(pSer)QEDL (crude synthetic peptide)

Average holdup BI: -0.07
Holdup BI standard deviation: 0.18
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.47
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 17

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 628-637
Protein B site: 14-3-3_pSer633
Protein B modification: (SEP)633
Protein B sequence: ALPPGSYASL
Protein B construct: ALPPG(pSer)YASL (crude synthetic peptide)

Average holdup BI: 0.14
Holdup BI standard deviation: 0.24
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.46
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 18

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 563-572
Protein B site: 14-3-3_pSer568
Protein B modification: (SEP)568
Protein B sequence: LNRPLSAKRS
Protein B construct: LNRPL(pSer)AKRS (crude synthetic peptide)

Average holdup BI: -0.35
Holdup BI standard deviation: 0.92
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.38
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 19

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 277-286
Protein B site: 14-3-3_pThr282
Protein B modification: (TPO)282
Protein B sequence: RLGSSTLGSK
Protein B construct: RLGSS(pThr)LGSK (crude synthetic peptide)

Average holdup BI: 0.15
Holdup BI standard deviation: 0.3
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.37
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 20

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 1191-1200
Protein B site: 14-3-3_pSer1196
Protein B modification: (SEP)1196
Protein B sequence: KFSFRSQEDL
Protein B construct: KFSFR(pSer)QEDL (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.09
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.31
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 21

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 628-637
Protein B site: 14-3-3_pSer633
Protein B modification: (SEP)633
Protein B sequence: ALPPGSYASL
Protein B construct: ALPPG(pSer)YASL (crude synthetic peptide)

Average holdup BI: -0.33
Holdup BI standard deviation: 1.23
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.28
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 22

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 589-598
Protein B site: 14-3-3_pSer594
Protein B modification: (SEP)594
Protein B sequence: VSTTGSLQRS
Protein B construct: VSTTG(pSer)LQRS (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.08
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.28
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 23

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 593-602
Protein B site: 14-3-3_pSer598
Protein B modification: (SEP)598
Protein B sequence: GSLQRSRSDI
Protein B construct: GSLQR(pSer)RSDI (crude synthetic peptide)

Average holdup BI: 0.03
Holdup BI standard deviation: 0.1
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.27
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 24

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 593-602
Protein B site: 14-3-3_pSer598
Protein B modification: (SEP)598
Protein B sequence: GSLQRSRSDI
Protein B construct: GSLQR(pSer)RSDI (crude synthetic peptide)

Average holdup BI: 0.05
Holdup BI standard deviation: 0.16
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.25
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 25

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 593-602
Protein B site: 14-3-3_pSer598
Protein B modification: (SEP)598
Protein B sequence: GSLQRSRSDI
Protein B construct: GSLQR(pSer)RSDI (crude synthetic peptide)

Average holdup BI: 0.02
Holdup BI standard deviation: 0.1
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.2
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 26

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 718-727
Protein B site: 14-3-3_pSer723
Protein B modification: (SEP)723
Protein B sequence: SKIPRSQGCS
Protein B construct: SKIPR(pSer)QGCS (crude synthetic peptide)

Average holdup BI: 0.15
Holdup BI standard deviation: 0.54
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.19
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 27

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 563-572
Protein B site: 14-3-3_pSer568
Protein B modification: (SEP)568
Protein B sequence: LNRPLSAKRS
Protein B construct: LNRPL(pSer)AKRS (crude synthetic peptide)

Average holdup BI: -0.16
Holdup BI standard deviation: 0.84
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.18
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 28

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 792-801
Protein B site: 14-3-3_pSer797
Protein B modification: (SEP)797
Protein B sequence: RVLSTSTDLE
Protein B construct: RVLST(pSer)TDLE (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.04
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.16
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 29

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 792-801
Protein B site: 14-3-3_pSer797
Protein B modification: (SEP)797
Protein B sequence: RVLSTSTDLE
Protein B construct: RVLST(pSer)TDLE (crude synthetic peptide)

Average holdup BI: -0.01
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.13
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 30

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 790-799
Protein B site: 14-3-3_pSer795
Protein B modification: (SEP)795
Protein B sequence: AMRVLSTSTD
Protein B construct: AMRVL(pSer)TSTD (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.05
Immobilized partner concentration in holdup experiment (10-6M): 142
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.1
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2021.10.13.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 5))
Number of measurements: 5
The affinity was below the detection threshold of the assay.


Experiment series 31

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A modification: 100_uM_FCA
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 790-799
Protein B site: 14-3-3_pSer795
Protein B modification: (SEP)795
Protein B sequence: AMRVLSTSTD
Protein B construct: AMRVL(pSer)TSTD (crude synthetic peptide)

Average holdup BI: 0.01
Holdup BI standard deviation: 0.28
Immobilized partner concentration in holdup experiment (10-6M): 111
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.02
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 32

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 792-801
Protein B site: 14-3-3_pSer797
Protein B modification: (SEP)797
Protein B sequence: RVLSTSTDLE
Protein B construct: RVLST(pSer)TDLE (crude synthetic peptide)

Average holdup BI: 0
Holdup BI standard deviation: 0.03
Immobilized partner concentration in holdup experiment (10-6M): 113
P value (usually -log10(P Two-sided unpaired T-test), but double check the experimental details): 0.01
Experiment method: HU Multiplex
Details of affinity fitting: hyperbolic binding equation
Date of measurement: 2022.02.17.
Experimental details: -log10(P Two-sided unpaired T-test (4 vs 4))
Number of measurements: 4
The affinity was below the detection threshold of the assay.


Experiment series 33

Protein A protein: SFN
Protein A fragment: 1-248
Protein A site: 14-3-3
Protein A construct: avi-his6-MBP-TEVsite-14-3-3sigma

Protein B protein: CLASP1
Protein B fragment: 682-691
Protein B site: 14-3-3_pSer687
Protein B modification: (SEP)687
Protein B sequence: KVVSQSQPGS
Protein B construct: biotin-ttds-KVVSQ(pSer)QPGS (HPLC-purified synthetic peptide)

Measured dissociation constant (10-6M): 262
Standard deviation of dissociation constant (10-6M): 22
Experiment method: competitive Fluorescence Polarization
Details of affinity fitting: Competitive binding equation in ProFit

Date of measurement: 2022.02.09
Number of measurements: 3
Measured pKd: 3.58