EXT1:EXT2 transfers GlcNAc to the heparan chain (Drosophila melanogaster)
ext1:ext2 transfers glcnac to the heparan chain (drosophila melanogaster)
EXT1:EXT2 transfers GlcNAc to the heparan chain (Drosophila melanogaster)
ext1:ext2 transfers glcnac to the heparan chain (drosophila melanogaster)