GuaA
- Description: GMP synthase (glutamine-hydrolysing)
| Gene name | guaA |
| Synonyms | guaB |
| Essential | no |
| Product | GMP synthetase (glutamine-hydrolysing) |
| Function | biosynthesis of GMP |
| Gene expression levels in SubtiExpress: guaA | |
| Metabolic function and regulation of this protein in SubtiPathways: guaA | |
| MW, pI | 57 kDa, 4.747 |
| Gene length, protein length | 1539 bp, 513 aa |
| Immediate neighbours | yebA, pbuG |
| Sequences | Protein DNA DNA_with_flanks |
Genetic context 
This image was kindly provided by SubtiList
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Expression at a glance PubMed
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Contents
Categories containing this gene/protein
biosynthesis/ acquisition of nucleotides, most abundant proteins
This gene is a member of the following regulons
The gene
Basic information
- Locus tag: BSU06360
Phenotypes of a mutant
Database entries
- DBTBS entry: [1]
- SubtiList entry: [2]
Additional information
The protein
Basic information/ Evolution
- Catalyzed reaction/ biological activity: ATP + xanthosine 5'-phosphate + L-glutamine + H2O = AMP + diphosphate + GMP + L-glutamate (according to Swiss-Prot)
- Protein family:
- Paralogous protein(s):
Extended information on the protein
- Kinetic information:
- Modification:
- Effectors of protein activity:
- the enzyme is inhibited by guanosine tetraphosphate (stringent response) PubMed
Database entries
- Structure: 2YWB (from Thermus thermophilus hb8, 45% identity, 57% similarity)
- UniProt: P29727
- KEGG entry: [3]
- E.C. number: 6.3.5.2
Additional information
Expression and regulation
- Operon: guaA PubMed
- Regulation:
- Regulatory mechanism:
- Additional information:
- belongs to the 100 most abundant proteins PubMed
Biological materials
- Mutant:
- Expression vector:
- lacZ fusion:
- GFP fusion:
- two-hybrid system:
- Antibody:
Labs working on this gene/protein
Your additional remarks
References
Christine Eymann, Annette Dreisbach, Dirk Albrecht, Jörg Bernhardt, Dörte Becher, Sandy Gentner, Le Thi Tam, Knut Büttner, Gerrit Buurman, Christian Scharf, Simone Venz, Uwe Völker, Michael Hecker
A comprehensive proteome map of growing Bacillus subtilis cells.
Proteomics: 2004, 4(10);2849-76
[PubMed:15378759]
[WorldCat.org]
[DOI]
(P p)
P Mäntsälä, H Zalkin
Cloning and sequence of Bacillus subtilis purA and guaA, involved in the conversion of IMP to AMP and GMP.
J Bacteriol: 1992, 174(6);1883-90
[PubMed:1312531]
[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)
T Mitani, J E Heinze, E Freese
Induction of sporulation in Bacillus subtilis by decoyinine or hadacidin.
Biochem Biophys Res Commun: 1977, 77(3);1118-25
[PubMed:409404]
[WorldCat.org]
[DOI]
(P p)
