QueC

• Description: synthesis of the modified ribonucleotide queuosine
  
  

Gene name	queC
Synonyms	ykvJ
Essential	no
Product	unknown
Function	tRNA modification
Gene expression levels in SubtiExpress: queC
MW, pI	24 kDa, 5.147
Gene length, protein length	657 bp, 219 aa
Immediate neighbours	ykvI, queD
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

translation

This gene is a member of the following regulons

preQ1 riboswitch

The gene

Basic information

• Locus tag: BSU13720

Database entries

• BsubCyc: BSU13720

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family: queC family (according to Swiss-Prot)

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• BsubCyc: BSU13720

• Structure: 3BL5

• UniProt: O31675

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: queC-queD-queE-queF PubMed

• Expression browser: queC PubMed

• Sigma factor:

• Regulation:
  • repressed in the presence of queuosine (preQ1 riboswitch) PubMed

• Regulatory mechanism:
  • preQ1 riboswitch: transcriptional antitermination in the absence of queuosine PubMed

• Additional information:
  • number of protein molecules per cell (minimal medium with glucose and ammonium): 158 PubMed
  • number of protein molecules per cell (complex medium with amino acids, without glucose): 469 PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: