purines

Classifiers Filled

Family

Thing Registry

Category

Physical world and living systems

Entry kind

thing

Plane

PHY

Domain

PHY.MAT

Other names and narrower kinds

purine alkaloid, discadenine, Purincyclamide, [(4aS,5R,6S,8aR)-5-[(E)-5-(6-amino-9-methyl-8H-purin-7-yl)-3-methylpent-3-enyl]-5,6,8a-trimethyl-3,4,4a,6,7,8-hexahydronaphthalen-1-yl]methyl 4-bromo-1H-pyrrole-2-carboxylate, 7-[(2E)-5-[(1R,2S,4aR,8aS)-1,2,4a-trimethyl-5-[(1H-pyrrole-2-carbonyloxy)methyl]-2,3,4,7,8,8a-hexahydronaphthalen-1-yl]-3-methylpent-2-en-1-yl]-6-amino-9-methyl-8H-purin-8-yl, 9-(3,7-dimethylocta-2,6-dienyl)-3-methyl-7H-purine-2,6,8-trione, 9-[(3,4-dihydroxy-5-methylsulfanyloxolan-2-yl)methyl]-1H-purin-6-one, D-eritadenine, N-[2-[[2-(1,2-dihydroxyethyl)-4,5-dihydroxy-6-(7H-purin-6-ylamino)oxan-3-yl]amino]-2-oxoethyl]-14-methylpentadec-9-enamide, [4-(6-aminopurin-9-yl)oxetan-2-yl]methanol, 9-(3,7-Dimethylocta-2,6-dienyl)-3,7-dimethylpurine-2,6,8-trione, 3-(3-methylbut-2-en-1-yl)-9H-purin-6-imine

What it is Filled

A class of heterocyclic aromatic compounds built on the purine ring system, a fused pyrimidine and imidazole, including the nucleobases adenine and guanine that form DNA and RNA, metabolic intermediates such as hypoxanthine and xanthine, uric acid, purine alkaloids such as caffeine and theobromine, unusual natural products such as discadenine and marine purine terpenoids named systematically in the registry aliases, and synthetic purine drugs; purines are central to genetics, energy metabolism and signalling.

Why it exists Filled

Let an agent explain purines and their structure, relay biological roles, metabolism and pharmacology from biochemistry references, describe purine alkaloids and natural products, and distinguish purines from pyrimidines, from purine nucleotides and from dietary purine concerns handled by clinicians.

Distinguishing features Filled

• Fused two-ring system
• Nucleobase members
• Metabolic and signalling roles
• Alkaloids and drugs

What robots and AI may and may not do Filled

Must not

• Give a person an individual purine-restricted diet or medication plan as if it were medical advice.
• Present caffeine or other purine alkaloids as safe at any dose for everyone.
• Confuse an obscure systematic compound name with a well-known purine.
• Claim health effects for purine-rich foods that the evidence does not support.

Only with a human decision

• Changing the diet or uric acid treatment of a person with gout or kidney disease.

May

• Explain the purine ring system and name common purines such as adenine, guanine and caffeine.
• Distinguish purines from pyrimidines, nucleosides and nucleotides when asked.
• Point people with gout or kidney stones to a clinician for dietary guidance.

Moral aspects Filled

• People managing gout rely on accurate information about purines in food.
• Stimulant purines such as caffeine are widely consumed, so overstated claims reach many people.

Who is affected

• People with gout
• Patients with kidney stones
• Students and researchers

Owners Filled

Steward

Nobody owns the class; chemical nomenclature bodies maintain its naming.

Master systems

• Chemical substance databases

Links to other meta-models Filled

parent

• Q72083965 - registry parent class

related

• imidazopyrimidine - in registry terms
• adenine - and guanine as nucleobases
• pyrimidine - the single-ring base class
• uric acid - in humans

Sources Filled

1. Wikidata item Q3360898: purines - identity and sense of the item
2. Wikipedia (de): Purine - general description of the item

Open questions

• Should adenine, guanine and caffeine be the primary linked entries?
• How should biochemistry references be linked?
• The registry entry has merged aliases naming specific natural products; should they be split off?

Machine files

Provenance

thing registry research (pass 2) · unreviewed

Built from: models/things/publications/thing-q3360898/spec.json