In mammals, the bipotential gonad appears to be moved into the male pathway (testis development) by the Sry gene (on the Y chromosome), which triggers the activity of Sox9.

TLS Online TPP Program

#Id: 9804

#Unit 6. System Physiology – Plant

PAS-related domain (PRD) repeats mediate phytochrome dimerization. 

The PRD domain targets the Pfr form of phyB to the nucleus, although it lacks a canonical nuclear localization signal (NLS).

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#Id: 9454

#Unit 4. Cell Communication and Cell Signaling

In cytokine receptors, the tightly bound kinase is known as a JAK kinase.

TLS Online TPP Program

#Id: 10537

#Unit 4. Cell Communication and Cell Signaling

All neurotrophins also bind to a distinct type of receptor called p75NTR (NTR 5 neurotrophin receptor), but with lower affinity

TLS Online TPP Program

#Id: 1568

#Unit 4. Cell Communication and Cell Signaling

Homologs

β-catenin in vertebrates =Armadillo in Drosophila.

TLS Online TPP Program

#Id: 9838

#Unit 6. System Physiology – Plant

In the dark, COP1, an E3 ligase, ubiquitinates HY5.