Catalyzes the phosphorylation of mevalonate to mevalonate 5- phosphate, a key step in isoprenoid and cholesterol biosynthesis (PubMed:11278915, PubMed:18302342, PubMed:9325256, PubMed:9392419). {ECO:0000269|PubMed:11278915, ECO:0000269|PubMed:18302342, ECO:0000269|PubMed:9325256, ECO:0000269|PubMed:9392419}. This is the function of MVK (mevalonate kinase, Ensembl gene identifier ENSG00000110921).