prot-prot interacties (PTM) Flashcards

1
Q

two-hybrid screening tekening

A

p92

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2
Q

two-hybrid testen voor:

A

interactie 2 EW (bait/prey)
interactie 1 bait met andere EW in vgl library preys

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3
Q

bevestiging

A

in vivo
co-IP of ChIP

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4
Q

phage display libraries tekening

A

p93

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5
Q

voordeel phage display libraries

A

relatief artificiële situatie (extracellulaire interactie)
high throughput, vele EW tegelijk

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6
Q

co-IP voordelen

A

natuurlijk
in vivo intracellulair

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7
Q

co-IP

A

int X & Y: co-IP + WB
welke EW int X: co-IP + SDS-PAGE coomassie + MS/MS of SILAC-MS/MS
> laag zout

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8
Q

controles

A

input controle > ladingscontrole (+)
igG > is binding specifiek? (-)

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9
Q

oef int WB na co-IP met GR & HSP70 +/- dex

A

p94

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10
Q

indien geen AL tegen EW van interesse

A

tags > opvouwingsprobleem

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11
Q

in situ methoden

A

FRET/BRET
anti-body linked FRET

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12
Q

FRET/BRET

A

EW gebonden met donor/acceptor
- dicht bij elkaar = fluorescentie/bioluminescentie
> intracellulaire int > transfectie > everexpressie > vindbaar
>overexpressie reduceren door minde DNA of zwakkere prom

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13
Q

antibody-linked FRET + tekening

A

natuurlijker dan gwne > geen overexp of tags
problemen: te ver of epitoop weg door int EW
p95

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14
Q

prot-prot int arrays

A

extracellulair/in vitro
spots met peptiden (onderdeel EW)
visualisatie streptavidine/HRP
artificieel & wijde screening (co-IP+MS/MS

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15
Q

mogelijke arrays

A

int EW/EW prot, EW-kleine mol, EW-DNA, EW-enzymen (kinase array), AL, EW-kleine seq, EW-RNA, EW-liganden

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