Protein
Aminotransferase PigE
Organism
Serratia sp. (strain ATCC 39006)
Function
Involved in the biosynthesis of 2-methyl-3-n-amyl-pyrrole (MAP), one of the terminal products involved in the biosynthesis of the red antibiotic prodigiosin (Pig). Catalyzes the transamination to the aldehyde group of 3-acetyloctanal, resulting in an aminoketone, which spontaneously cyclizes to yield the dihydro form of MAP (H2MAP).
Similarity
Belongs to the class-III pyridoxal-phosphate-dependent aminotransferase family.
Sequence
MKFGFIAHPTSVGLKRYVKMIDLLQRNSTELHSGYKRDLWRRENLVPFMNFAKITSATGATCEGVIKYMPLVADEMLADARGIANRVVSGIEELVEDGAELVGLGGFTSIVGRRGEATAEKSPVPVTSGNSLTTYAGYKALMQIQSWLDIQPEQEPVAIVGYPGSICLALSRLLLAQGFSLHLLHRAGHKDEDELLSHLPEQYRSRVTLTSDPEDLYPRCKLFVAATSAGGVIDPYKLQPGSVFIDVALPRDINSDTRPDRDDILIIDGGCVTATDAVKLGGESLNVTIKQQLNGCMAETIVLALENRRENFSLGRYLALDNVLEIGELAEKHGFLVYPLASYGERIDRQRVINLKRYYHHDIYSDEPDTEQPPASQLAFIDAIIAQDPAREDTLDRYHQFINPMMVEFLKLQHCDNVFRRASGTQLFTADGEAFLDMVAGYGCINLGHNPQPIIDALKAYLDAQGPNFIQYISIPEQAAKLAEVLCHFAPGNMGRVFFSNSGTEAVEAAMKLAKASTGKAGIAYLKNSYHGKTLGALSITGREKHRRHFKPLLASMIEVPFADIEALRQTLSRDDIGALMIEPIQGEGGVHVPPPGYLRTVQEICRQTDTLLMVDEVQTGLGRTGKLFACEWEGIEPDVLMLSKSLSGGVMPIGATLCRAIFGNGPYGTADRFLMHSSTFGGGNIAAVVALSALREILAQDLVGNAERLGTYFKQALTDVAARYPFVAEIAGRGLMLGIQFDQTFAGAVGASAREFATRLPGDWHTTWKFLPDPVQAHLKAAMERMEQSLGEMFCMKFVTKLCQDHNILTFITANSSTVIRIQPPLTISKAEIDRFVSAFATVCDELSTFLE