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. 1997 Apr 29;94(9):4692–4697. doi: 10.1073/pnas.94.9.4692

Table 1.

Transglutaminase activity in human cells

Cell Basal transglutaminase activity, pmol per min per mg of cellular protein
HL-60 <0.001
K562 0.064
Lymphocyte <0.001
Monocyte <0.001
HUVEC 0.67

Cell extracts were prepared from the cells and assayed for transglutaminase activity (25).