FolD

• Description: methylenetetrahydrofolate dehydrogenase (NADP)
  
  

Gene name	folD
Synonyms	yqiA
Essential	yes PubMed
Product	methylenetetrahydrofolate dehydrogenase (NADP)
Function	formylation of Met-tRNA(fMet)
MW, pI	30 kDa, 5.6
Gene length, protein length	849 bp, 283 aa
Immediate neighbours	yqiB, nusB
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: BSU24310

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 5,10-methylenetetrahydrofolate + NADP⁺ = 5,10-methenyltetrahydrofolate + NADPH (according to Swiss-Prot)

• Protein family: tetrahydrofolate dehydrogenase/cyclohydrolase 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: cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• Swiss prot entry: P54382

• KEGG entry: [3]

• E.C. number: 1.5.1.5

Expression and regulation

• Operon: nusB-folD PubMed

• Sigma factor:

• Regulation:
  • repressed in the presence of purine nucleotides (PurR) PubMed
  • repressed in the presence of adenine or adenosine(PurR) PubMed

• Regulatory mechanism:
  • PurR: transcription repression PubMed
  • PurR: transcription repression (molecular inducer: PRPP) PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: