Characterization and location of post-translational modifications on chromogranin B from bovine adrenal medullary chromaffin granules.

Abstract excerpt

Bovine chromoganin B (CGB)/secretogranin I, an acidic protein with a sequence of 626 residues and an isoelectric point of 5.2 is a major member of the chromogranin/secretogranin (CG/Sg) family. The difference between the theoretical molecular mass (76 kDa) and the value estimated by sodium dodecyl sulfate-polyacrylamide gel electrophoresis results from post-translational modifications (glycosylation,...

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