UniProt functional annotation for P05326

UniProt code: P05326.

Organism: Emericella nidulans (strain FGSC A4 / ATCC 38163 / CBS 112.46 / NRRL 194 / M139) (Aspergillus nidulans).
Taxonomy: Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes; Eurotiomycetidae; Eurotiales; Aspergillaceae; Aspergillus; Aspergillus subgen. Nidulantes.
 
Function: Removes, in the presence of oxygen, 4 hydrogen atoms from delta-L-(alpha-aminoadipyl)-L-cysteinyl-D-valine (ACV) to form the azetidinone and thiazolidine rings of isopenicillin.
 
Catalytic activity: Reaction=N-[(5S)-5-amino-5-carboxypentanoyl]-L-cysteinyl-D-valine + O2 = 2 H2O + isopenicillin N; Xref=Rhea:RHEA:22428, ChEBI:CHEBI:15377, ChEBI:CHEBI:15379, ChEBI:CHEBI:58399, ChEBI:CHEBI:58572; EC=1.21.3.1;
Cofactor: Name=Fe cation; Xref=ChEBI:CHEBI:24875;
Cofactor: Name=L-ascorbate; Xref=ChEBI:CHEBI:38290;
Pathway: Antibiotic biosynthesis; penicillin G biosynthesis; penicillin G from L-alpha-aminoadipate and L-cysteine and L-valine: step 2/3.
Similarity: Belongs to the iron/ascorbate-dependent oxidoreductase family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.