PucL

• Description: uricase
  
  

Gene name	pucL
Synonyms	yunL
Essential	no
Product	uricase
Function	purine utilization
Metabolic function and regulation of this protein in SubtiPathways: Purine catabolism, Nucleotides (regulation)
MW, pI	56 kDa, 5.484
Gene length, protein length	1482 bp, 494 aa
Immediate neighbours	pucK, pucM
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: BSU32450

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

Categories containing this gene/protein

utilization of nucleotides

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate = (S)-allantoin + CO₂ (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: 1J2G (with 8-Azaxanthine from Bacillus sp., 66% identity, 79% similarity)

• UniProt: O32141

• KEGG entry: [3]

• E.C. number: 1.7.3.3

Expression and regulation

• Operon:
  • pucR-pucJ-pucK-pucL-pucM PubMed
  • pucJ-pucK-pucL-pucM PubMed

• Sigma factor:
  • pucJ: SigA PubMed

• Regulation:
  • expressed in the absence of good nitrogen sources (glutamine or ammonium) (TnrA) PubMed
  • induced in the presence of purine nucleotides (inducer: allantoin) (PucR) PubMed

• Regulatory mechanism:
  • TnrA: transcription activation PubMed
  • PucR: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: