RibD

• Description: 5-amino-6-(5-phosphoribosylamino)uracil reductase
  
  

Gene name	ribD
Synonyms	ribG
Essential	no
Product	5-amino-6-(5-phosphoribosylamino)uracil reductase
Function	riboflavin biosynthesis
Metabolic function and regulation of this protein in SubtiPathways: Riboflavin and FAD synthesis
MW, pI	39 kDa, 6.079
Gene length, protein length	1083 bp, 361 aa
Immediate neighbours	ribE, ypuE
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

The gene

Basic information

• Locus tag: BSU23280

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)pyrimidine + H₂O = 5-amino-6-(5-phosphoribosylamino)uracil + NH₃ (according to Swiss-Prot)

• Protein family:

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 3EX8

• UniProt: P17618

• KEGG entry: [3]

• E.C. number: 3.5.4.26, 1.1.1.193

Expression and regulation

• Operon: ypuE-ribD-ribE-ribA-ribH-ribT PubMed

• Sigma factor: SigA PubMed

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

• Regulatory mechanism: FMN-box: riboswitch, mediates termination/ antitermination control of the operon, in the absence of FMN: antitermination, in the presence of FMN: termination PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: