Bacterial siderophores: unusual 3,4,5,6-tetrahydropyrimidine-based amino acids in pyoverdins frompseudomonas fluorescens

Tetrahedron Letters
1990.0

Abstract

Two unusual natural amino acids have been identified in the pyoverdins occurring from two different strains of Pseudomonas fluorescens. They contain a 3,4,5,6 tetrahydropyrimidine molety resulting from the condensation of 2,4-diaminobutyric acid with the carboxyl group of respectively serine and glutamine.

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