Dear all

I am trying to find values for the fractionation of 13c/12C during CO2
release via decarboxylation in the tricarboxylic acid cycle (in plant
mitochondria), namely by the enzymes isocitrate dehydrogenase and
2-oxoglutarate dehydrogenase.  I have found a value for the first

	-1.1 per mil (O'Leary and Limburg, 1977) for isocitrate dehydrogenase

but despite a thorough cd rom search, I have not been able to find a 
reference/value for the latter.

If anybody knows any references/values for either I would be 
most grateful

Thanks

Jim Gillon

Potter Lab
Department of A.E.S.
University of Newcastle-upon-Tyne
NE1 7RU
U.K.

Tel - 0191 222 5493
Fax - 0191 222 5229

E-mail - [log in to unmask]