Protein
Isopenicillin N synthase
Organism
Flavobacterium sp. (strain SC 12,154)
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.
Similarity
Belongs to the iron/ascorbate-dependent oxidoreductase family.
Sequence
MNRHADVPVIDISGLSGNDMDVKKDIAARIDRACRGSGFFYAANHGVDLAALQKFTTDWHMAMSAEEKWELAIRAYNPANPRNRNGYYMAVEGKKANESFCYLNPSFDADHATIKAGLPSHEVNIWPDEARHPGMRRFYEAYFSDVFDVAAVILRGFAIALGREESFFERHFSMDDTLSAVSLIRYPFLENYPPLKLGPDGEKLSFEHHQDVSLITVLYQTAIPNLQVETAEGYLDIPVSDEHFLVNCGTYMAHITNGYYPAPVHRVKYINAERLSIPFFANLSHASAIDPFAPPPYAPPGGNPTVSYGDYLQHGLLDLIRANGQT