Fructosamine 3-kinase-related protein and deglycation in human erythrocytes.

  title={Fructosamine 3-kinase-related protein and deglycation in human erythrocytes.},
  author={François Xavier Collard and Elsa Wiame and Niki Bergans and Juliette Fortpied and Didier Vertommen and Florent J L A Vanstapel and Ghislain Delpierre and Emile van Schaftingen},
  journal={The Biochemical journal},
  volume={382 Pt 1},
Fructosamine 3-kinase (FN3K), an enzyme initially identified in erythrocytes, catalyses the phosphorylation of fructosamines on their third carbon, leading to their destabilization and their removal from protein. We show that human erythrocytes also contain FN3K-related protein (FN3K-RP), an enzyme that phosphorylates psicosamines and ribulosamines, but not fructosamines, on the third carbon of their sugar moiety. Protein-bound psicosamine 3-phosphates and ribulosamine 3-phosphates are unstable… CONTINUE READING


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