Cell-Signaling Flashcards

- Steroid Receptors - Protein Kinase Receptors - G-Proteins - GEFs and GAPs - Ras - 7aHelix Receptors

1
Q

Gq-Alpha mnemonic

A

Quick Chekc

Gq-PKC

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2
Q

GEF function

A

Activate GDP to GTP

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3
Q

The alpha subunit of the trimeric G-protein gets activated by ______

A

The 7tm receptor itself (acts as own GEF)

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4
Q

Ras, rab, ran, and rac are examples of monomeric _____ _____

A

G-Proteins

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5
Q

Extracellular Vs. Cytoplasmic Domain function for protein kinase receptors

A
  • Ex binds ligand

- Cyto has kinase

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6
Q

GAP function

A

Inactivate GTP to GDP

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7
Q

Dimerized Steroid receptors bind to _____ _____ _____, which are DNA promoter regions

A

Estrogen Response Elements (ERE)

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8
Q

They’re called G-Proteins because they bind _____ _____

A

Guanine Nucleotides

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9
Q

Gs-Alpha pathway

A

AC-cAMP-PKA-Calcium

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10
Q

The ______ receptors are the most abundant and use Timeric G-Proteins

A

7 alpha-helix Receptors

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11
Q

Gi-Alpha directly inhibits _____

A

Adenylate Cyclase

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12
Q

Gq-Alpha pathway

A

Gq-PKC-PPip2–DAG and iP3

“DAG directly unchains the kinase”

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