purine

• 一种含氮的有机化合物，是腺嘌呤和鸟嘌呤等生物重要物质的基本结构，这些物质是核酸的关键组成部分。

A nitrogen-containing organic compound that serves as the parent structure for several biologically important substances, including adenine and guanine, which are key components of nucleic acids.

1. Organic compoundC1formalscientific

   A colorless crystalline organic base containing nitrogen, which is the parent compound of various biologically important substances.

   嘌呤

   • Purine is a fundamental building block in nucleic acids.
   • The structure of purine consists of a fused pyrimidine-imidazole ring system.
   • Purine derivatives are essential for cellular metabolism.

2. Nitrogenous baseC1formalscientific

   Any of several bases that are derivatives of purine, such as adenine and guanine, which are components of DNA and RNA.

   嘌呤碱

   • Adenine and guanine are two common purine bases found in DNA.
   • Purine bases pair with pyrimidine bases in the double helix structure.
   • The body metabolizes purines into uric acid.