CA1P and the other bound sugar phosphates are specifically removed by the ATP‐dependent enzyme, Rubisco activase, which prepares Rubisco for the catalytic cycle.

TLS Online TPP Program

#Id: 10011

#Unit 4. Cell Communication and Cell Signaling

Smo has seven TM α helices, is a member of the GPCR superfamily, and is related in sequence to the Fz.

TLS Online TPP Program

#Id: 10012

#Unit 4. Cell Communication and Cell Signaling

Ptc contains 12 TM α helices and structurally similar

to the Niemann-Pick C1 protein, a cholesterol transporting member of the ABC superfamily

TLS Online TPP Program

#Id: 10013

#Unit 4. Cell Communication and Cell Signaling

In the absence of Hh,

Ptc inhibits Smoothened and then degraded in proteasomes

TLS Online TPP Program

#Id: 10014

#Unit 4. Cell Communication and Cell Signaling

Transcription Factor

zinc-finger transcription factor Cubitis interruptus

TLS Online TPP Program

#Id: 10015

#Unit 4. Cell Communication and Cell Signaling

A cytosolic complex contains

kinases Fused ; PKA, GSK3β, and CK1, Ci, and SUFU

TLS Online TPP Program

#Id: 10016

#Unit 4. Cell Communication and Cell Signaling

Cytosolic complex is bound to a microtubule by the kinesin-related motor protein Costal-2 (Cos2).