NameAlpha-pyrone synthesis polyketide synthase-like Pks18
Synonyms
  • 2.3.1.-
  • Alpha-pyrone synthesis polyketide synthase type III Pks18
  • Chalcone synthase-like protein
  • CHS-like
Gene Namepks18
OrganismMycobacterium tuberculosis (strain ATCC 25618 / H37Rv)
Amino acid sequence
>lcl|BSEQ0051264|Alpha-pyrone synthesis polyketide synthase-like Pks18
MNVSAESGAPRRAGQRHEVGLAQLPPAPPTTVAVIEGLATGTPRRVVNQSDAADRVAELF
LDPGQRERIPRVYQKSRITTRRMAVDPLDAKFDVFRREPATIRDRMHLFYEHAVPLAVDV
SKRALAGLPYRAAEIGLLVLATSTGFIAPGVDVAIVKELGLSPSISRVVVNFMGCAAAMN
ALGTATNYVRAHPAMKALVVCIELCSVNAVFADDINDVVIHSLFGDGCAALVIGASQVQE
KLEPGKVVVRSSFSQLLDNTEDGIVLGVNHNGITCELSENLPGYIFSGVAPVVTEMLWDN
GLQISDIDLWAIHPGGPKIIEQSVRSLGISAELAAQSWDVLARFGNMLSVSLIFVLETMV
QQAESAKAISTGVAFAFGPGVTVEGMLFDIIRR
Number of residues393
Molecular Weight42032.07
Theoretical pINot Available
GO Classification
Functions
  • transferase activity, transferring acyl groups other than amino-acyl groups
Processes
  • chalcone biosynthetic process
  • fatty acid biosynthetic process
General FunctionInvolved in the biosynthesis of tri- and tetraketide alpha-pyrones. Pks18 catalyzes the extension of medium- and long-chain aliphatic acyl-CoA substrates by using malonyl-CoA as an extender molecule to synthesize polyketide products.
Specific FunctionTransferase activity, transferring acyl groups other than amino-acyl groups
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDP9WPF1
UniProtKB Entry NamePKS18_MYCTU
Cellular LocationNot Available
Gene sequence
>lcl|BSEQ0051265|Alpha-pyrone synthesis polyketide synthase-like Pks18 (pks18)
ATGAACGTCTCAGCTGAGAGCGGTGCGCCGCGCCGGGCCGGCCAGAGGCATGAGGTTGGC
CTTGCCCAGTTGCCGCCGGCTCCGCCCACCACGGTGGCGGTGATTGAAGGGCTTGCGACG
GGCACGCCGCGTCGGGTAGTCAACCAGTCCGACGCCGCCGATCGGGTCGCCGAGCTTTTC
CTCGATCCCGGTCAGCGGGAACGGATTCCGCGGGTGTATCAAAAATCGCGGATCACCACG
CGCCGGATGGCGGTCGACCCGCTCGACGCCAAATTTGATGTCTTCAGGCGGGAACCTGCG
ACGATCCGTGATCGGATGCATCTGTTCTACGAACACGCGGTTCCGCTGGCGGTGGACGTG
AGCAAGCGTGCCCTGGCCGGCCTGCCATACCGTGCCGCCGAGATCGGGCTGCTGGTGTTG
GCCACCAGCACCGGATTCATCGCGCCGGGCGTGGACGTTGCGATCGTCAAAGAGCTCGGG
CTCTCCCCGTCGATATCACGTGTCGTGGTCAATTTCATGGGATGTGCCGCCGCGATGAAT
GCCCTGGGCACCGCCACCAACTATGTTCGTGCCCACCCGGCCATGAAGGCGCTGGTGGTG
TGTATCGAATTGTGCTCGGTGAACGCTGTTTTTGCCGACGACATCAACGACGTCGTCATT
CACAGCTTGTTTGGCGACGGGTGCGCGGCGTTGGTGATCGGCGCCAGCCAGGTTCAGGAG
AAGCTCGAGCCAGGCAAGGTGGTAGTCCGCAGTAGTTTCAGTCAGCTGCTCGACAACACC
GAAGACGGTATCGTGCTTGGCGTCAATCACAACGGCATCACCTGCGAGCTGTCGGAGAAT
CTCCCCGGCTACATCTTCAGCGGGGTCGCACCGGTGGTGACAGAGATGTTATGGGACAAT
GGATTACAGATATCCGATATCGATCTCTGGGCGATCCATCCGGGTGGCCCCAAGATCATC
GAGCAGTCGGTGCGCTCGCTGGGGATCTCCGCGGAGCTGGCGGCGCAGAGCTGGGACGTG
CTCGCCCGCTTCGGCAACATGCTCAGCGTATCGCTTATCTTTGTGCTAGAGACGATGGTG
CAGCAGGCGGAGTCGGCCAAAGCCATCTCGACGGGGGTGGCGTTCGCGTTCGGGCCGGGC
GTCACTGTCGAAGGCATGCTGTTCGACATCATCCGACGGTGA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDNot Available
Chromosome LocationNot Available
LocusNot Available
References
  1. Cole ST, Brosch R, Parkhill J, Garnier T, Churcher C, Harris D, Gordon SV, Eiglmeier K, Gas S, Barry CE 3rd, Tekaia F, Badcock K, Basham D, Brown D, Chillingworth T, Connor R, Davies R, Devlin K, Feltwell T, Gentles S, Hamlin N, Holroyd S, Hornsby T, Jagels K, Krogh A, McLean J, Moule S, Murphy L, Oliver K, Osborne J, Quail MA, Rajandream MA, Rogers J, Rutter S, Seeger K, Skelton J, Squares R, Squares S, Sulston JE, Taylor K, Whitehead S, Barrell BG: Deciphering the biology of Mycobacterium tuberculosis from the complete genome sequence. Nature. 1998 Jun 11;393(6685):537-44. 9634230
  2. Saxena P, Yadav G, Mohanty D, Gokhale RS: A new family of type III polyketide synthases in Mycobacterium tuberculosis. J Biol Chem. 2003 Nov 7;278(45):44780-90. Epub 2003 Aug 26. 12941968
  3. Sankaranarayanan R, Saxena P, Marathe UB, Gokhale RS, Shanmugam VM, Rukmini R: A novel tunnel in mycobacterial type III polyketide synthase reveals the structural basis for generating diverse metabolites. Nat Struct Mol Biol. 2004 Sep;11(9):894-900. Epub 2004 Aug 1. 15286723