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. 2008 Oct 31;283(44):29971–29982. doi: 10.1074/jbc.M805402200

TABLE 3.

Substrate specificity of the cloned recombinant neutral SMase

Substrate Activitya
pmol/mg/h
[14C]Sphingomyelin 27 ± 0.76b
[14C]Phosphatidylcholine 0b
[3H]Lyso-PAF 1.5 ± 0.8c
a

Mean ± S.D. (n = 3)

b

Activity was determined in the presence of 0.1% Triton X-100

c

Activity was determined in the absence of Triton X-100