Myelin Oligodendrocyte Glycoprotein

Myelin Oligodendrocyte Glycoprotein

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About MOG / Myelin Oligodendrocyte Glycoprotein:

Myelin Oligodendrocyte Glycoprotein is a glycoprotein. This means that it contains glycans that are covalently bonded to amino acid side-chains.

MOG Interaction
Is it thought that myelin oligodendrocyte glycoprotein is an adhesion molecule, which provides structural integrity to the myelin sheath. It has also been linked to something known now as a MOG associated disease which is a very rare demyelinating disorder of the central nervous system. It can also cause inflammation in the optic nerve, spinal cord and brain.

Myelin Oligodendrocyte Glycoprotein Structure
This protein is 139 residues long. The dssp secondary structure of the protein has three short helical segments as well as ten beta strands. It is 6% helical and 43% beta sheet. The beta strands are located within two antiparallel beta sheets. This forms an immunoglobulin type beta sandwich fold.

MOG Function
Older research that has been conducted suggested that three potential functions are a cellular adhesion molecule, a regulator of oligodendrocyte microtubule stability, or a mediator of interactions between myelin and the immune system. It is now believed that it has an important role in the myelination of nerves in the central nervous system, as well as being an adhesive molecule. But, it is still not known for sure whether the role is to do with the completion or maintenance of the sheath.
The coding region in humans has been shown to be similar in structure, but not necessarily in function to rats and mice. It’s for this reason that it is highly conserved, which would indicate that the structure is important for a biological role in more than just humans.