Protein A - esonn
Protein A - esonn
Protein A - esonn
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Imaging PIP 2 in vivo using PH-GFP chimeras<br />
• PIP 2<br />
is rapidly broken down upon activation of e.g. the angiotensin receptor<br />
• A fusion protein PH_GFP, composed of a green fluorescent protein (GFP) and a<br />
PH domain binds to PIP 2<br />
in the plasma membrane<br />
• Angiotensin addition leads to PIP 2<br />
breakdown<br />
=> PH-GFP can not bind to the membrane anymore<br />
PI(4,5)P 2<br />
specific domain:<br />
- [PI(4,5)P 2<br />
] high in membrane<br />
- Angiotensin promotes breakdown<br />
Balla, TiPS 2000<br />
14