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 |
| 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 |
| Get the DNA and protein sequences (Barbe et al., 2009) | |
Genetic context 
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Contents
Categories containing this gene/protein
biosynthesis/ acquisition of amino acids
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU34860
Phenotypes of a mutant
Database entries
- DBTBS entry: no entry
- SubtiList entry: [1]
Additional information
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:
- Localization:
- cytoplasm (according to Swiss-Prot)
Database entries
- Structure:
- UniProt: O34912
- KEGG entry: [2]
- E.C. number: 3.5.4.19
Additional information
Expression and regulation
- Regulation: repressed by casamino acids PubMed
- Regulatory mechanism:
- Additional information:
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
