RibU

• Description: riboflavin transporter
  
  

Gene name	ribU
Synonyms	ypaA
Essential	no
Product	riboflavin transporter
Function	riboflavin uptake
Gene expression levels in SubtiExpress: ribU
Metabolic function and regulation of this protein in SubtiPathways: Riboflavin / FAD
MW, pI	20 kDa, 10.12
Gene length, protein length	570 bp, 190 aa
Immediate neighbours	fer, ypzE
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed 500px

Categories containing this gene/protein

transporters/ other, biosynthesis of cofactors, membrane proteins

This gene is a member of the following regulons

FMN-box

The gene

Basic information

• Locus tag: BSU23050

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity:

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization: membrane

Database entries

• Structure: 3P5N (RibU from Staphylococcus aureus)

• UniProt: P50726

• KEGG entry: [2]

• E.C. number:

Expression and regulation

• Operon: ribU PubMed
  • there is a promoter directly in front of ribU PubMed

• Expression browser: ribU PubMed

• Sigma factor:

• Regulation: expressed in the absence of FMN (FMN-box) PubMed

• Regulatory mechanism: FMN-box: riboswitch, controls access of the ribosome to the Shine-Dalgarno sequence PubMed

• Additional information:
  • the mRNA is substantially stabilized upon depletion of RNase Y PubMed

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Original publications

Lehnik-Habrink M, Schaffer M, Mäder U, Diethmaier C, Herzberg C, Stülke J  
RNA processing in Bacillus subtilis: identification of targets of the essential RNase Y. 
Mol Microbiol. 2011 81(6): 1459-1473. 
PubMed:21815947

Peng Zhang, Jiawei Wang, Yigong Shi
Structure and mechanism of the S component of a bacterial ECF transporter.
Nature: 2010, 468(7324);717-20
[PubMed:20972419] [WorldCat.org] [DOI] (I p)

Christian Vogl, Simon Grill, Oliver Schilling, Jörg Stülke, Matthias Mack, Jürgen Stolz
Characterization of riboflavin (vitamin B2) transport proteins from Bacillus subtilis and Corynebacterium glutamicum.
J Bacteriol: 2007, 189(20);7367-75
[PubMed:17693491] [WorldCat.org] [DOI] (P p)

Wade C Winkler, Smadar Cohen-Chalamish, Ronald R Breaker
An mRNA structure that controls gene expression by binding FMN.
Proc Natl Acad Sci U S A: 2002, 99(25);15908-13
[PubMed:12456892] [WorldCat.org] [DOI] (P p)