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. 1997 Jun 10;94(12):6138–6141. doi: 10.1073/pnas.94.12.6138

Table 1.

TR from human lung adenocarcinoma cells exhibits differing affinities to heparin

Low affinity form High affinity form
Selenocysteine in C-terminal
 tryptic peptide + +
Subunit mass
 by SDS/PAGE 57 kDa 57 kDa
NADPH linked + +
Specific activity (DTNB) 26 units/mg 32 units/mg
Bound cofactor FAD FAD
Heparin binding +
Reaction with rat liver
 polyclonal antibody +