7-carboxy-7-deazaguanine (CDG) synthase, required for the synthesis of the modified ribonucleotide queuosine
function
tRNA modification
product
7-carboxy-7-deazaguanine (CDG) synthase
Genomic Context
categories
[category|SW 3|Information processing] → [category|SW 3.3|Protein synthesis, modification and degradation] → [category|SW 3.3.1|Translation] → [category|SW 3.3.1.8|tRNA modification and maturation]Gene
Coordinates
1,440,542 → 1,441,273
The protein
Catalyzed reaction/ biological activity
radical-mediated ring rearrangement required to convert 6-carboxy-5,6,7,8-tetrahydropterin (CPH4) into 7-carboxy-7-deazaguanine (CDG) [pubmed|29303575]Protein family
radical S-adenosyl-L-methionine (SAM) superfamily[SW|Cofactors]
Fe-S cluster [pubmed|29292548]S-adenosyl-L-methionine, Mg(2+) [Pubmed|23194065]Structure
[PDB|5TGS] [pubmed|28045519]Expression and Regulation
Operons
genes
[gene|1925DFD1162E744E9175D07EC0FD72A75C79C6BF|queC]-[gene|BA6DD5C9AB9BFF9759E9ECC46CE3DF4EB7E67F52|queD]-[gene|F5189CAA5EF43FCF95E593E095F84B3BE486B347|queE]-[gene|5F96500CC46CC4DAECEBAD34EC50B10548E6D0F9|queF]
description
[Pubmed|14660578]
regulatory mechanism
[regulon|preQ1 riboswitch|preQ1 riboswitch]: antitermination, in the absence of queuosine [Pubmed|19285444], in [regulon|preQ1 riboswitch|preQ1 riboswitch]regulation
repressed in the presence of queuosine ([SW|preQ1 riboswitch]) [Pubmed|19285444]view in new tabBiological materials
Mutant
MGNA-A790 (ykvL::erm), available at the [https://shigen.nig.ac.jp/bsub/resource/strainGeneDisrupted/detail/790 NBRP B. subtilis, Japan]BKE13740 (Δ[gene|F5189CAA5EF43FCF95E593E095F84B3BE486B347|queE]::erm trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKE13740 BGSC], [Pubmed|28189581], upstream reverse: _UP1_GAAAATTTCTAATACAGGAA, downstream forward: _UP4_GTATAATAGAAAGGAAGATGBKK13740 (Δ[gene|F5189CAA5EF43FCF95E593E095F84B3BE486B347|queE]::kan trpC2) available at [http://www.bgsc.org/getdetail.php?bgscid=BKK13740 BGSC], [Pubmed|28189581], upstream reverse: _UP1_GAAAATTTCTAATACAGGAA, downstream forward: _UP4_GTATAATAGAAAGGAAGATGReferences
14660578,19285444,19354300,17384645,24362703,23194065,25933252,29303575,28045519