Ldh

• Description: L-lactate dehydrogenase
  
  

Gene name	ldh
Synonyms	lctE
Essential	no
Product	L-lactate dehydrogenase
Function	overflow metabolism, fermentation
Interactions involving this protein in SubtInteract: Ldh
Metabolic function and regulation of this protein in SubtiPathways: Central C-metabolism
MW, pI	34 kDa, 5.394
Gene length, protein length	963 bp, 321 aa
Immediate neighbours	amyE, lctP
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList

Categories containing this gene/protein

carbon core metabolism, phosphoproteins

This gene is a member of the following regulons

Rex regulon

The gene

Basic information

• Locus tag: BSU03050

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: (S)-lactate + NAD⁺ = pyruvate + NADH (according to Swiss-Prot)

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

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification: phosphorylation on Tyr-224 PubMed

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

• • cytoplasm (according to Swiss-Prot)

Database entries

• Structure: 1LDN (+) and fructose-1.6-bisphosphate, Geobacillus stearothermophilus), 2LDB (Geobacillus stearothermophilus)

• UniProt: P13714

• KEGG entry: [3]

• E.C. number: 1.1.1.27

Expression and regulation

• Operon: ldh-lctP PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced under anaerobic conditions (Rex) PubMed

• Regulatory mechanism:
  • Rex: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: