Urinary unconjugated pteridines: General considerations

Baldassarre Stea, Robert A. Smith

Research output: Contribution to journalReview articlepeer-review

1 Scopus citations


The term pterin is generally used to denote the compound having the structure of 2-amino-4-hydroxypteridine (fig 1). Since all the pteridines known to occur in man and in most mammalian systems are derivatives of this basic compound, the term pterin has customarily been used in the formulation of the trivial names of biologically active pteridines.1 These compounds are further subdivided into conjugated and unconjugated pteridines, depending on whether or not they have a p-aminobenzoyl glutamate residue. Thus, conjugated pteridines are those that belong to the folic acid group and unconjugated pteridines are all others.

Original languageEnglish (US)
Pages (from-to)357-364
Number of pages8
JournalSurvey of Immunologic Research
Issue number4
StatePublished - Dec 1982

ASJC Scopus subject areas

  • Immunology


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