For most, but not all, RTKs, the weakly active kinase in each subunit is phosphorylate a key tyrosine in the activation loop of the other subunit (trans-phosphorylation)

TLS Online TPP Program

#Id: 8118

#XL - Q Biochemistry

 Glycosphingolipids as determinants of blood groups.

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#XL - Q Biochemistry

TLS Online TPP Program

#Id: 8116

#XL - Q Biochemistry

Fingolimod—a Sphingosine-1-P Mimic Is an Oral Drug for Multiple Sclerosis

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#XL - Q Biochemistry

Excreted S1P provokes many different cell and tissue effects, among them inflammation in allergic reactions, cell proliferation, angiogenesis, malignant transformation, and movement and migration of certain cells.

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#Id: 8114

#XL - Q Biochemistry

Sphingosine itself can be phosphorylated to produce sphingosine-1-phosphate (S1P) inside cells. 

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#Id: 8112

#XL - Q Biochemistry

The amino group at C-2 bears a fatty acid in amide linkage.

The fatty acid is usually saturated or monounsaturated, with 16, 18, 22, or 24 carbon atoms.

Ceramide is the parent compound for this group.