PurB
- Description: adenylsuccinate lyase
Gene name | purB |
Synonyms | |
Essential | no |
Product | adenylsuccinate lyase |
Function | purine biosynthesis |
Gene expression levels in SubtiExpress: purB | |
Metabolic function and regulation of this protein in SubtiPathways: Purine salvage, Purine synthesis, Nucleotides (regulation), Stress | |
MW, pI | 49 kDa, 5.822 |
Gene length, protein length | 1293 bp, 431 aa |
Immediate neighbours | purK, purC |
Sequences | Protein DNA DNA_with_flanks |
Genetic context This image was kindly provided by SubtiList
| |
Expression at a glance PubMed |
Contents
Categories containing this gene/protein
biosynthesis/ acquisition of nucleotides
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU06440
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: N(6)-(1,2-dicarboxyethyl)AMP = fumarate + AMP (according to Swiss-Prot)
- Protein family: Adenylosuccinate lyase subfamily (according to Swiss-Prot)
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Domains:
- Modification:
- Cofactor(s):
- Effectors of protein activity:
Database entries
- Structure: 1F1O
- UniProt: P12047
- KEGG entry: [3]
- E.C. number: 4.3.2.2
Additional information
- subject to Clp-dependent proteolysis upon glucose starvation PubMed
Expression and regulation
- Regulation:
- Regulatory mechanism:
- Additional information: subject to Clp-dependent proteolysis upon glucose starvation PubMed
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
Lars Engholm Johansen, Per Nygaard, Catharina Lassen, Yvonne Agersø, Hans H Saxild
Definition of a second Bacillus subtilis pur regulon comprising the pur and xpt-pbuX operons plus pbuG, nupG (yxjA), and pbuE (ydhL).
J Bacteriol: 2003, 185(17);5200-9
[PubMed:12923093]
[WorldCat.org]
[DOI]
(P p)
M Weng, P L Nagy, H Zalkin
Identification of the Bacillus subtilis pur operon repressor.
Proc Natl Acad Sci U S A: 1995, 92(16);7455-9
[PubMed:7638212]
[WorldCat.org]
[DOI]
(P p)
H H Saxild, P Nygaard
Regulation of levels of purine biosynthetic enzymes in Bacillus subtilis: effects of changing purine nucleotide pools.
J Gen Microbiol: 1991, 137(10);2387-94
[PubMed:1722815]
[WorldCat.org]
[DOI]
(P p)
D J Ebbole, H Zalkin
Cloning and characterization of a 12-gene cluster from Bacillus subtilis encoding nine enzymes for de novo purine nucleotide synthesis.
J Biol Chem: 1987, 262(17);8274-87
[PubMed:3036807]
[WorldCat.org]
(P p)