HemA

• Description: glutamyl-tRNA reductase
  
  

Gene name	hemA
Synonyms
Essential	no
Product	glutamyl-tRNA reductase
Function	porphyrin biosynthesis
Gene expression levels in SubtiExpress: hemA
MW, pI	50 kDa, 5.313
Gene length, protein length	1365 bp, 455 aa
Immediate neighbours	hemX, ysxD
Get the DNA and protein sequences (Barbe et al., 2009)
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

biosynthesis of cofactors, membrane proteins

This gene is a member of the following regulons

PerR regulon

The gene

Basic information

• Locus tag: BSU28170

Database entries

• DBTBS entry: [1]

• SubtiList entry: [2]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: L-glutamate 1-semialdehyde + NADP⁺ + tRNA(Glu) = L-glutamyl-tRNA(Glu) + NADPH (according to Swiss-Prot)

• Protein family: glutamyl-tRNA reductase 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:
  • cell membrane (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: P16618

• KEGG entry: [3]

• E.C. number: 1.2.1.70

Expression and regulation

• Operon: hemA-hemX-hemC-hemD-hemB-hemL PubMed

• Expression browser: hemA PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced by hydrogen peroxide (PerR) PubMed

• Regulatory mechanism:
  • PerR: transcription repression PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: