FR008_00020 : CDS information

close this sectionLocation

Organism
StrainFR-008
Entry nameFR-008
Contig
Start / Stop / Direction3,037 / 2,264 / - [in whole cluster]
3,037 / 2,264 / - [in contig]
Locationcomplement(2264..3037) [in whole cluster]
complement(2264..3037) [in contig]
TypeCDS
Length774 bp (257 aa)
Click on the icon to see Genetic map.

close this sectionAnnotation

Category2.2 modification addition of starter unit
Productaminodeoxychorismate lyase
4-amino-4-deoxychorismate lyase
Product (GenBank)PabC
Gene
Gene (GenBank)pabC
EC number4.1.3.38
Keyword
  • PABA
Note
Note (GenBank)
  • putative 4-amino-4-deoxychorismate lyase
Reference
ACC
PmId
[14652074] Organizational and mutational analysis of a complete FR-008/candicidin gene cluster encoding a structurally related polyene complex. (Chem Biol. , 2003)
[19389784] Functional characterization of the first two actinomycete 4-amino-4-deoxychorismate lyase genes. (Microbiology. , 2009)
comment
[PMID: 14652074](2003)
complete FR-008 gene clusterの報告。
pabC: ADC lyase
@biosynthesis of starter unit PABA

PabCはおそらく、PabABによって生成されたaminodeoxychorismate(ADC)をaromatized PABAとpyruvateに変換する。
pabCは、FR-008 polyketide合成におけるstarter unitであると予想されているp-aminobenzoic acid (PABA)合成に関与している。

chorismate→(PabAB)→ADC→(PabC)→PABA

---
[PMID: 19389784](2009)
pabC-1(=pabC)の不活化でFR-008産生はwildの20%まで減少。
pabC-1はE.coli pabC mutantを相補できる。

同じ株からpabC-2も同定され(FR-008 cluster外のようだ)、
不活化でFR-008産生をwildの57%まで減少。E.coli pabC mutant相補可能。
pabC-1/pabC-2 double mutantはFR-008産生をwildの4%しか保持せず。
in vitroでの個々の活性を測定。どちらも機能的なADC lyasesであった。

pabC-1/pabC-2どちらも一次代謝、二次代謝の両方に関与するADC lyasesである。

close this sectionSequence

selected fasta
>aminodeoxychorismate lyase [PabC]
MIELDGEPAGPEALASLALTNYGHFTTLLVENGRVRGLDLHLERLIRDCRTLFDAALDPD
RVRKLARRAAPTDGRATVRVTVFDPALNLGNIAADARPGILVTSRPAPDKPPGPLRVRSV
VHRRDLPEVKSVGLCPTLRLRRQAQRAGYDDVLFTGPDGDILEGGTWNVGLVRDGEVVWP
GGEVLAGTTRQLLRRATDGPTELVGLADLDSVEAVFATNAAVGVRPVTGIDDREFPAAHH
SVTRLAEIYQALPGSPL
selected fasta
>aminodeoxychorismate lyase [PabC]
ATGATCGAACTGGACGGGGAACCCGCCGGGCCCGAGGCGCTGGCCTCGCTCGCCCTCACC
AACTACGGCCATTTCACCACGCTGCTCGTCGAGAACGGCCGGGTGCGCGGGCTCGACCTC
CACCTGGAACGCCTCATCCGCGACTGCCGGACCCTCTTCGACGCGGCGCTCGACCCGGAC
CGGGTGCGGAAGCTCGCCCGCCGGGCGGCACCAACAGACGGCCGGGCCACCGTCCGTGTC
ACCGTCTTCGACCCGGCGCTGAACCTGGGGAACATCGCCGCCGACGCCCGGCCGGGCATC
CTGGTGACCTCCCGGCCCGCCCCCGACAAGCCCCCTGGTCCGCTGCGGGTACGTTCGGTG
GTCCACCGCCGCGACCTTCCCGAGGTGAAGTCGGTCGGCCTCTGTCCCACCCTGCGGCTG
CGCAGGCAGGCCCAACGGGCGGGTTACGACGACGTGCTGTTCACGGGCCCCGACGGCGAC
ATCCTGGAGGGCGGCACCTGGAACGTCGGCCTGGTGCGCGACGGCGAGGTGGTCTGGCCC
GGCGGGGAGGTGCTGGCCGGCACGACCCGGCAGCTGCTGCGGCGGGCCACCGACGGTCCC
ACCGAACTGGTCGGCCTCGCGGACCTCGACTCAGTCGAGGCGGTCTTCGCGACCAACGCC
GCCGTCGGGGTCCGTCCCGTCACCGGCATCGACGACCGTGAGTTCCCGGCGGCCCATCAC
TCGGTGACCCGGCTCGCGGAGATCTACCAGGCACTTCCCGGCTCCCCGCTCTGA

close this sectionFeature

BLASTP
Database:UniProtKB:2011_09
show BLAST table
InterPro
Database:interpro:38.0
IPR001544 Aminotransferase, class IV (Family)
 [1-247]  2.50000909916183e-45 SSF56752
SSF56752   Aminotrans_IV
 [38-246]  2.2e-29 PF01063
PF01063   Aminotran_4
SignalP No significant hit
TMHMM No significant hit
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