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TLS Online TPP Program

#Id: 1719

The other IgE receptor, designated FcεRII, or CD23, has a much lower affinity for IgE (Kd of 1 * 10 6 M -1 )

#Unit 4. Cell Communication and Cell Signaling #Hypersensitivity and autoimmunity #Part B Pointers
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TLS Online TPP Program

#Id: 5098

#Unit 6. System Physiology – Plant

The gene that encodes the MYB-related protein is therefore probably a primary response gene, and the LHCB gene itself is probably a secondary response gene.
TLS Online TPP Program

#Id: 5099

#Unit 6. System Physiology – Plant

MYB-related protein, now known as circadian clock associated 1 (CCA1), also plays a role in the circadian regulation of LHCB gene expression.
TLS Online TPP Program

#Id: 5100

#Unit 6. System Physiology – Plant

Second but distinct MYB-related protein, late elongated hypocotyl (LHY), has also been identified as a potential clock gene.
TLS Online TPP Program

#Id: 5101

#Unit 6. System Physiology – Plant

When the CCA1 gene is mutated so that no functional protein is produced, circadian and phytochrome regulation of four genes, including LHCB, is affected.
TLS Online TPP Program

#Id: 5102

#Unit 6. System Physiology – Plant

A protein kinase (CK2)CKB3 can interact with and phosphorylate CCA1, which is a multisubunit protein with serine/threonine kinase activity.
TLS Online TPP Program

#Id: 5103

#Unit 6. System Physiology – Plant

Phytochrome interacting factors (PIFs) act as negative regulators of photomorphogenesis.