MDM2 levels in the cytoplasm are controlled by

ATR and p14ARF (p19ARF in the mouse), sequesters it in the nucleolus, where it cannot access p53.

TLS Online TPP Program

#Id: 7460

#Unit 5. Developmental Biology

Ammonia inhibits PKA by indirectly activating cAMP hydrolysis via DhkC-RdeA mediated phosphorylation of RegA.

TLS Online TPP Program

#Id: 9026

#Unit 6. System Physiology – Plant

Trx regulates plastid phosphoribulokinase (PRK) and NADP–glyceraldehyde-3‐phosphate dehydrogenase (NADP–GAPD) by noncovalent associations with the nuclear‐encoded chloroplast protein CP12 (an ≈8.5‐kDa protein)

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#Id: 8615

#Unit 2. Cellular Organization

Y15 & T14 are situated in the G-loop of the CDK, containing the consensus sequence GEGT14Y15GVV

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#Id: 8339

#Unit 2. Cellular Organization

Filament capping proteins:

CapZ blocks (+)end Tropomodulin blocks (-)end

TLS Online TPP Program

#Id: 6365

#Unit 2. Cellular Organization