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Assessing biomarker status of vitamin B12 in the laboratory: no simple solution

2.1.1 Cell surface expression of human CD38 Extracellular CD38 is a type 2 transmembrane molecule, approximately 46 kDa in size, featuring a short cytoplasmic tail that grants high mobility within the liquid bilayer, facilitating the formation of soluble forms of CD38 ( Figure 1 )

Journal of Medicinal Chemistry, 57 (22), 9220-9231

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