Szwergold

Szwergold, B.S., Howell, S., and Beisswenger, P.J. (2001) Human fructosamine-3-kinase purification, sequencing, substrate specificity, and evidence of activity in vivo. Diabetes 50, 2139-2147. 

B. S. Szwergold, K. Taylor, S. Lai, B. Su, F. Kappler, and T. R. Brown, Identification of a novel protein kinase activity specific for Amadori adducts on glycated proteins, Diabetes, 1997, 46, 108A. 

J. R. Conner, P. J. Beisswenger, and B. S. Szwergold, The expression of the genes for finctosamine-3-kinase and fhictosamine-3-kinase-related protein appears to be constitutive and unaffected by environmental signals, Biochem. Biophys. Res. Commun., 323 (2004) 932—936. 

There are a number of other nuclei which can be detected by NMR in vivo. However, these have been used to a much lesser extent (see Szwergold, 1992, and references cited therein). 

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