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ABSTRACT

The nuclear matrix from chicken liver cells contains a small amount of glycoproteins recognized by Concanavalin A. These proteins are present not only in the peripheral matrix, but also in the internal one. In this latter localization many glycoprotein species appear, by cross-linking experiments, to be placed in the proximity of DNA. The effect of a partial enzymatic deglycosylation of matrix preparations suggests that these proteins contribute to the stabilization of the native matrix structure.