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. 1991 Jan 8;1076(1):156-60.
doi: 10.1016/0167-4838(91)90234-q.

Proteolytic modification of neural cell adhesion molecule (NCAM) by the intracellular proteinase calpain

A Sheppard  1 , J Wu, U Rutishauser, G Lynch
Affiliations

Proteolytic modification of neural cell adhesion molecule (NCAM) by the intracellular proteinase calpain

A Sheppard et al. Biochim Biophys Acta. .

Abstract

The neural cell adhesion molecule, NCAM, is concentrated in synaptic regions and thus may contribute to the formation and maintenance of connections between brain cells. We present evidence that the cytoplasmic domain of NCAM can be experimentally modified by the intracellular calcium-dependent proteinase, calpain. This degradation could provide a mechanism for rapidly uncoupling and reorganizing synaptic contacts.

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