Biosynthetic Origin of [R-(Z)]-4-Amino-3-chloro-2-pentenedioic Acid inStreptomyces viridogenes

Biosynthetic Origin of [<i>R</i>-(<i>Z</i>)]-4-Amino-3-chloro-2-pentenedioic Acid in<i>Streptomyces viridogenes</i> The identification of three new biosynthetic intermediates and one further biosynthetic enzyme in the clavulanic acid pathway Biosynthesis of Strained Amino Acids by a PLP‐Dependent Enzyme through Cryptic Halogenation Studies on the biosynthesis of clavulanic acid. III. Incorporation of DL-(3,4-13C2)glutamic acid. Isolation and Characterization of Streptomyces venezuelae Mutants Blocked in Chloramphenicol Biosynthesis Studies on the biosynthesis of the antibiotic reductiomycin in Streptomyces xanthochromogenus L-2-amino-4-chloro-4-pentenoic acid, a new natural amino acid from Amanita pseudoporphyria hongo (S)-cis-2-amino-5-chloro-4-pentenoic acid from the fungus Amanita vergineoides. Biosynthesis of 2′-Chloropentostatin and 2′-Amino-2′-Deoxyadenosine Highlights a Single Gene Cluster Responsible for Two Independent Pathways in <i>Actinomadura</i> sp. Strain ATCC 39365 Cloning, sequencing and disruption of a gene from Streptomyces clavuligerus involved in clavulanic acid biosynthesis