pyrimidine Hear it!

pyrimidine Definition

py·rimi·dine (pə rim′ə dēn′, pī-; pir′ə mə dēn′)

noun

  1. a colorless, liquid, crystalline organic compound, CHN, the fundamental form of a group of bases, some of which are constituents of nucleic acid
  2. any of several basic substances produced by the decomposition of nucleoproteins and having a pyrimidine-type molecule, as thymine, cytosine, or uracil

Etymology: Ger pyrimidin < pyridin: see pyridine

pyrimidine Usage Examples

Converse of object

  • represent: Green bricks 8 x 2 represent pyrimidines, and are paired with two red purine bricks 2 ( 6 x 2 ).

Modifies a noun

  • synthesis: It is considered to inhibit de novo pyrimidine synthesis in a manner similar to BQR ( Figure 4 ).
  • base: Purine bases are colored red, and pyrimidine bases are colored blue.
  • metabolism: Altered erythrocyte nucleotide patterns are characteristic of inherited disorders of purine and pyrimidine metabolism.
  • ring: This proton transfer is promoted by a glutamate residue adjacent to the pyrimidine ring.
  • analog: The same applies to the pyrimidine analog 5-fluorouracil used principally in colon and breast cancer.