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. 2016 Jan;57(1):6–24. doi: 10.1194/jlr.R063313

Fig. 2.

Fig. 2.

Biosynthesis and protein-attachment of GPI in the ER of mammalian cells. The complete precursor of GPI, termed H8, is synthesized from PI by 11 stepwise reactions and en bloc transferred to proteins. More than 20 PIG genes, shown above the biosynthetic pathway, are involved. Modified from Figure 2 in (197) with permission.