HisI

• Description: phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphohydrolase
  
  

Gene name	hisI
Synonyms	hisIE
Essential	no
Product	phosphoribosyl-AMP cyclohydrolase / phosphoribosyl-ATP pyrophosphohydrolase
Function	biosynthesis of histidine
Gene expression levels in SubtiExpress: hisI
Metabolic function and regulation of this protein in SubtiPathways: His
MW, pI	23 kDa, 4.627
Gene length, protein length	627 bp, 209 aa
Immediate neighbours	yvcA, hisF
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

biosynthesis/ acquisition of amino acids

The gene

Basic information

• Locus tag: BSU34860

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: 1-(5-phosphoribosyl)-ATP + H₂O = 1-(5-phosphoribosyl)-AMP + diphosphate (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:
  • cytoplasm (according to Swiss-Prot)

Database entries

• Structure:

• UniProt: O34912

• KEGG entry: [2]

• E.C. number: 3.5.4.19

Expression and regulation

• Operon: hisZ-hisG-hisD-hisB-hisH-hisA-hisF-hisI PubMed

• Expression browser: hisI PubMed

• Sigma factor:

• Regulation: repressed by casamino acids PubMed

• Regulatory mechanism:

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody: