Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:2.4.99.7 (sialyltransferase)
 1,534 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The activities of Gal beta 1-3(4)GlcNAc alpha 2-3 sialyltransferase and SAT-1 were measured in rat liver Golgi in inflammation; both enzymes decreased by about 50%. This compares with increases of about 3-fold for the Gal beta 1-4GlcNAc alpha 2-6 sialyltransferase. All three sialyltransferases were released from disrupted Golgi membranes by incubation at reduced pH which activates an endogenous cathepsin D which is believed to be the lysosomal enzyme. Pepstatin A was found to block the release of all three sialyltransferases providing support for the role of cathepsin D as the proteinase that clips the catalytic portions of the enzymes from their membrane anchor and stem regions.
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PMID:Release of sialyltransferases from rat liver Golgi membranes by a cathepsin D-like proteinase: comparison of the release of Gal beta 1-4GlcNAc alpha 2-6 sialyltransferase, Gal beta 1-3(4)GlcNAc alpha 2-3 sialyltransferase and lactosylceramide alpha 2-3 sialyltransferase (SAT-1). 771 47