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TLS Online TPP Program

#Id: 609

Major enzyme is Tryptophan Synthase whose activity is reduced when trp concentration is high.
 

#Unit 2. Cellular Organization #Trp Operon #Part B Pointers
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TLS Online TPP Program

#Id: 9712

#Unit 4. Cell Communication and Cell Signaling

Ste20 serves as a MAPKKK kinase.
TLS Online TPP Program

#Id: 9713

#Unit 4. Cell Communication and Cell Signaling

Ste20 phosphorylates and activates Ste11, a serine/threonine kinase
TLS Online TPP Program

#Id: 9714

#Unit 4. Cell Communication and Cell Signaling

Ste11 analogous to Raf and other mammalian MEK kinase (MEKK) proteins.
TLS Online TPP Program

#Id: 9715

#Unit 4. Cell Communication and Cell Signaling

Activated Ste11 then phosphorylates Ste7, a dual-specificity MEK.
TLS Online TPP Program

#Id: 9716

#Unit 4. Cell Communication and Cell Signaling

Ste7, phosphorylates and activates Fus3,  a serine/threonine kinase
TLS Online TPP Program

#Id: 9717

#Unit 4. Cell Communication and Cell Signaling

Fus3 equivalent to MAP kinase