In the dark, PEPCase returns to the inactive form because PEPCase‐kinase is inactivated and a phosphatase releases the phosphoryl group from PEPCase.

TLS Online TPP Program

#Id: 9642

#Unit 4. Cell Communication and Cell Signaling

In unstimulated cells, 

Raf is phosphorylated by several cytosolic kinases on two sites:

1. Serine/threonine kinase domain 

2. N-terminal autoinhibitory domain

TLS Online TPP Program

#Id: 7949

#Unit 2. Cellular Organization

A branched oligosaccharide containing

3 glucose (Glc)

9 mannose (Man)

2 N-acetylglucosamine (GlcNAc)

Glc3Man9(GlcNAc)2

TLS Online TPP Program

#Id: 459

#Unit 2. Cellular Organization

The chromodomain is a common protein motif of 60 amino acid that recognizes methylated lysine and Arg. 

TLS Online TPP Program

#Id: 3212

#Unit 4. Cell Communication and Cell Signaling

Point mutation (i.e., a change in a single base pair) in a proto-oncogene that results in a hyperactive or constitutively active protein product.

TLS Online TPP Program

#Id: 5283

#Unit 7. System Physiology – Animal

Stimulation of the sympathetic cardiac nerves speeds the depolarization in SA node.