2-C-methyl-D-erythritol 4-phosphate cytidylyltransferase activity

Catalysis of the reaction: 2-C-methyl-D-erythritol 4-phosphate + CTP = 4-CDP-2-C-methyl-D-erythritol + diphosphate.

mannitol dehydrogenase (cytochrome) activity

Catalysis of the reaction: 2 [Fe(III)cytochrome c] + D-mannitol = 2 [Fe(II)cytochrome c] + D-fructose + 2 H+.

2-C-methyl-D-erythritol 2,4-cyclodiphosphate synthase activity

Catalysis of the reaction: 4-CDP-2-C-methyl-D-erythritol 2-phosphate = 2-C-methyl-D-erythritol 2,4-cyclic diphosphate + CMP.

box C/D sno(s)RNA processing

Any process involved in the conversion of a primary box C/D type small RNA transcript into a mature box C/D RNA.

4-(cytidine 5'-diphospho)-2-C-methyl-D-erythritol kinase activity

Catalysis of the reaction: 4-CDP-2-C-methyl-D-erythritol + ATP = 4-CDP-2-C-methyl-D-erythritol 2-phosphate + ADP + 2 H+.

box C/D snoRNP assembly

The aggregation, arrangement and bonding together of proteins and a box C/D snoRNA to form a box C/D small nucleolar ribonucleoprotein (snoRNP) complex.

box C/D sno(s)RNA binding

Binding to a box C/D small nucleolar RNA.

1-deoxy-D-xylulose-5-phosphate reductoisomerase activity

Catalysis of the reaction: 2-C-methyl-D-erythritol 4-phosphate + NADP+ = 1-deoxy-D-xylulose 5-phosphate + H+ + NADPH.

aldose beta-D-fructosyltransferase activity

Catalysis of the reaction: alpha-D-aldosyl1 beta-D-fructoside + D-aldose2 = D-aldose1 + alpha-D-aldosyl2 beta-D-fructoside.

box C/D methylation guide snoRNP complex binding

Binding to a box C/D methylation guide snoRNP complex.