GRB2 SH2 domain binds to a specific phosphotyrosine residue in the cytosolic domain of an activated RTK.

 

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#Unit 4. Cell Communication and Cell Signaling

All STAT proteins contain: 

An N-terminal DNA-binding domain

An SH2 domain

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#Unit 4. Cell Communication and Cell Signaling

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#Id: 7879

#Unit 2. Cellular Organization

The curvature of the crista junctions is due to a protein complex called MICOS (mitochondrial contact site and cristae organizing system).

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#Unit 6. System Physiology – Plant

Increased [Ca2+]cyt activates plasma membrane anion efflux channels, and these two effects combine to depolarize the membrane. Membrane depolarization closes voltage‐sensitive K+ in channels but opens K+ out channels. 

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#Id: 9772

#Unit 6. System Physiology – Plant

Phytoalexins are low molecular weight, lipophilic antimicrobial compounds for which phenylalanine is a substrate used by phenylalanine ammonia lyase (PAL),