Summary: GMP synthase C terminal domain
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GMP synthase Edit Wikipedia article
| GMP synthetase (glutamine-hydrolyzing) |
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| Crystal structure of GMP synthetase.[1] | |||||||||
| Identifiers | |||||||||
| EC number | 6.3.5.2 | ||||||||
| CAS number | 37318-71-1 | ||||||||
| Databases | |||||||||
| IntEnz | IntEnz view | ||||||||
| BRENDA | BRENDA entry | ||||||||
| ExPASy | NiceZyme view | ||||||||
| KEGG | KEGG entry | ||||||||
| MetaCyc | metabolic pathway | ||||||||
| PRIAM | profile | ||||||||
| PDB structures | RCSB PDB PDBe PDBsum | ||||||||
| Gene Ontology | AmiGO / EGO | ||||||||
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| GMP synthetase C terminal domain | |||||||||
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| escherichia coli gmp synthetase complexed with amp and pyrophosphate | |||||||||
| Identifiers | |||||||||
| Symbol | GMP_synt_C | ||||||||
| Pfam | PF00958 | ||||||||
| InterPro | IPR001674 | ||||||||
| PROSITE | PDOC00405 | ||||||||
| SCOP | 1gpm | ||||||||
| SUPERFAMILY | 1gpm | ||||||||
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Guanine monphosphate synthetase, (EC 6.3.5.2) also known as GMPS is an enzyme that converts xanthosine monophosphate to guanosine monophosphate.[2]
In the de novo synthesis of purine nucleotides, IMP is the branch point metabolite at which point the pathway diverges to the synthesis of either guanine or adenine nucleotides. In the guanine nucleotide pathway, there are 2 enzymes involved in converting IMP to GMP, namely IMP dehydrogenase (IMPD1), which catalyzes the oxidation of IMP to XMP, and GMP synthetase, which catalyzes the amination of XMP to GMP.[2]
Contents |
[edit] Enzymology
In enzymology, a GMP synthetase (glutamine-hydrolysing) (EC 6.3.5.2) is an enzyme that catalyzes the chemical reaction
- ATP + xanthosine 5'-phosphate + L-glutamine + H2O
AMP + diphosphate + GMP + L-glutamate
The 4 substrates of this enzyme are ATP, xanthosine 5'-phosphate, L-glutamine, and H2O, whereas its 4 products are AMP, diphosphate, GMP, and L-glutamate.
This enzyme belongs to the family of ligases, specifically those forming carbon-nitrogen bonds carbon-nitrogen ligases with glutamine as amido-N-donor. The systematic name of this enzyme class is xanthosine-5'-phosphate:L-glutamine amido-ligase (AMP-forming). Other names in common use include GMP synthetase (glutamine-hydrolysing), guanylate synthetase (glutamine-hydrolyzing), guanosine monophosphate synthetase (glutamine-hydrolyzing), xanthosine 5'-phosphate amidotransferase, and guanosine 5'-monophosphate synthetase. This enzyme participates in purine metabolism and glutamate metabolism. At least one compound, Psicofuranin is known to inhibit this enzyme.
[edit] Structural studies
As of late 2007, 5 structures have been solved for this class of enzymes, with PDB accession codes 1GPM, 1WL8, 2A9V, 2D7J, and 2DPL.
[edit] References
- ^ Tesmer JJ, Klem TJ, Deras ML, Davisson VJ, Smith JL (January 1996). "The crystal structure of GMP synthetase reveals a novel catalytic triad and is a structural paradigm for two enzyme families". Nat. Struct. Biol. 3 (1): 74â86. doi:10.1038/nsb0196-74. PMID 8548458.
- ^ a b "Entrez Gene: GMPS guanine monphosphate synthetase". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8833.
[edit] Further reading
- Page T, Bakay B, Nyhan WL (1984). "Human GMP synthetase.". Int. J. Biochem. 16 (1): 117â20. doi:10.1016/0020-711X(84)90061-2. PMID 6698284.
- Nakamura J, Straub K, Wu J, Lou L (1995). "The glutamine hydrolysis function of human GMP synthetase. Identification of an essential active site cysteine.". J. Biol. Chem. 270 (40): 23450â5. doi:10.1074/jbc.270.40.23450. PMID 7559506.
- Nakamura J, Lou L (1995). "Biochemical characterization of human GMP synthetase.". J. Biol. Chem. 270 (13): 7347â53. doi:10.1074/jbc.270.13.7347. PMID 7706277.
- Hirst M, Haliday E, Nakamura J, Lou L (1994). "Human GMP synthetase. Protein purification, cloning, and functional expression of cDNA.". J. Biol. Chem. 269 (38): 23830â7. PMID 8089153.
- Maruyama K, Sugano S (1994). "Oligo-capping: a simple method to replace the cap structure of eukaryotic mRNAs with oligoribonucleotides.". Gene 138 (1-2): 171â4. doi:10.1016/0378-1119(94)90802-8. PMID 8125298.
- Fedorova L, Kost-Alimova M, Gizatullin RZ, et al. (1997). "Assignment and ordering of twenty-three unique NotI-linking clones containing expressed genes including the guanosine 5'-monophosphate synthetase gene to human chromosome 3.". Eur. J. Hum. Genet. 5 (2): 110â6. PMID 9195163.
- Suzuki Y, Yoshitomo-Nakagawa K, Maruyama K, et al. (1997). "Construction and characterization of a full length-enriched and a 5'-end-enriched cDNA library.". Gene 200 (1-2): 149â56. doi:10.1016/S0378-1119(97)00411-3. PMID 9373149.
- Pegram LD, Megonigal MD, Lange BJ, et al. (2001). "t(3;11) translocation in treatment-related acute myeloid leukemia fuses MLL with the GMPS (GUANOSINE 5' MONOPHOSPHATE SYNTHETASE) gene.". Blood 96 (13): 4360â2. PMID 11110714.
- Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899â903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932. //www.ncbi.nlm.nih.gov/pmc/articles/PMC139241/.
- Gerhard DS, Wagner L, Feingold EA, et al. (2004). "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).". Genome Res. 14 (10B): 2121â7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334. //www.ncbi.nlm.nih.gov/pmc/articles/PMC528928/.
- Guo D, Han J, Adam BL, et al. (2005). "Proteomic analysis of SUMO4 substrates in HEK293 cells under serum starvation-induced stress.". Biochem. Biophys. Res. Commun. 337 (4): 1308â18. doi:10.1016/j.bbrc.2005.09.191. PMID 16236267.
- Abrams R and Bentley M (1959). "Biosynthesis of nucleic acid purines. III. Guanosine 5'-phosphate formation from xanthosine 5'-phosphate and L-glutamine". Arch. Biochem. Biophys. 79: 91â110. doi:10.1016/0003-9861(59)90383-2.
- LAGERKVIST U (1958). "Biosynthesis of guanosine 5'-phosphate. II. Amination of xanthosine 5'-phosphate by purified enzyme from pigeon liver". J. Biol. Chem. 233 (1): 143â9. PMID 13563458.
[edit] External links
- GMP synthetase at the US National Library of Medicine Medical Subject Headings (MeSH)
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This page is based on a Wikipedia article. The text is available under the Creative Commons Attribution/Share-Alike License.
This tab holds the annotation information that is stored in the Pfam database. As we move to using Wikipedia as our main source of annotation, the contents of this tab will be gradually replaced by the Wikipedia tab.
GMP synthase C terminal domain Provide feedback
GMP synthetase is a glutamine amidotransferase from the de novo purine biosynthetic pathway. This family is the C-terminal domain specific to the GMP synthases P49915 EC:6.3.5.2. In prokaryotes this domain mediates dimerisation. Eukaryotic GMP synthases are monomers. This domain in eukaryotes includes several large insertions that may form globular domains.
Literature references
-
Tesmer JJ, Klem TJ, Deras ML, Davisson VJ, Smith JL; , Nat Struct Biol 1996;3:74-86.: The crystal structure of GMP synthetase reveals a novel catalytic triad and is a structural paradigm for two enzyme families. PUBMED:8548458 EPMC:8548458
External database links
| PANDIT: | PF00958 |
| PROSITE: | PDOC00405 |
| Pseudofam: | PF00958 |
| SCOP: | 1gpm |
| SYSTERS: | GMP_synt_C |
This tab holds annotation information from the InterPro database.
InterPro entry IPR001674
The amidotransferase family of enzymes utilises the ammonia derived from the hydrolysis of glutamine for a subsequent chemical reaction catalyzed by the same enzyme. The ammonia intermediate does not dissociate into solution during the chemical transformations [PUBMED:10387030]. GMP synthetase is a glutamine amidotransferase from the de novo purine biosynthetic pathway. The C-terminal domain is specific to the GMP synthases EC. In prokaryotes this domain mediates dimerisation. Eukaryotic GMP synthases are monomers. This domain in eukaryotes includes several large insertions that may form globular domains [PUBMED:8548458].
Gene Ontology
The mapping between Pfam and Gene Ontology is provided by InterPro. If you use this data please cite InterPro.
| Molecular function | GMP synthase (glutamine-hydrolyzing) activity (GO:0003922) |
| ATP binding (GO:0005524) | |
| Biological process | GMP biosynthetic process (GO:0006177) |
| purine nucleotide biosynthetic process (GO:0006164) |
Domain organisation
Below is a listing of the unique domain organisations or architectures in which this domain is found. More...
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Alignments
We store a range of different sequence alignments for families. As well as the seed alignment from which the family is built, we provide the full alignment, generated by searching the sequence database using the family HMM. We also generate alignments using four representative proteomes (RP) sets, the NCBI sequence database, and our metagenomics sequence database. More...
View options
We make a range of alignments for each Pfam-A family. You can see a description of each above. You can view these alignments in various ways but please note that some types of alignment are never generated while others may not be available for all families, most commonly because the alignments are too large to handle.
| Seed (161) |
Full (4898) |
Representative proteomes | NCBI (3535) |
Meta (2105) |
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| RP15 (423) |
RP35 (820) |
RP55 (1086) |
RP75 (1280) |
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| Jalview | ||||||||
| HTML | ||||||||
| PP/heatmap | 1 | |||||||
| Pfam viewer | ||||||||
1Cannot generate PP/Heatmap alignments for seeds; no PP data available
Key:
available,
not generated,
— not available.
Format an alignment
Download options
We make all of our alignments available in Stockholm format. You can download them here as raw, plain text files or as gzip-compressed files.
| Seed (161) |
Full (4898) |
Representative proteomes | NCBI (3535) |
Meta (2105) |
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|---|---|---|---|---|---|---|---|---|
| RP15 (423) |
RP35 (820) |
RP55 (1086) |
RP75 (1280) |
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| Raw Stockholm | ||||||||
| Gzipped | ||||||||
You can also download a FASTA format file containing the full-length sequences for all sequences in the full alignment.
External links
MyHits provides a collection of tools to handle multiple sequence alignments. For example, one can refine a seed alignment (sequence addition or removal, re-alignment or manual edition) and then search databases for remote homologs using HMMER3.
HMM logo
HMM logos is one way of visualising profile HMMs. Logos provide a quick overview of the properties of an HMM in a graphical form. You can see a more detailed description of HMM logos and find out how you can interpret them here. More...
Trees
This page displays the phylogenetic tree for this family's seed alignment. We use FastTree to calculate neighbour join trees with a local bootstrap based on 100 resamples (shown next to the tree nodes). FastTree calculates approximately-maximum-likelihood phylogenetic trees from our seed alignment.
Note: You can also download the data file for the tree.
Curation and family details
This section shows the detailed information about the Pfam family. You can see the definitions of many of the terms in this section in the glossary and a fuller explanation of the scoring system that we use in the scores section of the help pages.
Curation
| Seed source: | Pfam-B_1137 (release 3.0) |
| Previous IDs: | none |
| Type: | Domain |
| Author: | Finn RD, Bateman A, Griffiths-Jones SR |
| Number in seed: | 161 |
| Number in full: | 4898 |
| Average length of the domain: | 95.50 aa |
| Average identity of full alignment: | 57 % |
| Average coverage of the sequence by the domain: | 18.75 % |
HMM information
| HMM build commands: |
build method: hmmbuild -o /dev/null HMM SEED
search method: hmmsearch -Z 23193494 -E 1000 --cpu 4 HMM pfamseq
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| Model details: |
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| Model length: | 93 | ||||||||||||
| Family (HMM) version: | 17 | ||||||||||||
| Download: | download the raw HMM for this family |
Species distribution
Sunburst controls
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Interactions
Structures
For those sequences which have a structure in the Protein DataBank, we use the mapping between UniProt, PDB and Pfam coordinate systems from the PDBe group, to allow us to map Pfam domains onto UniProt sequences and three-dimensional protein structures. The table below shows the structures on which the GMP_synt_C domain has been found. There are 24 instances of this domain found in the PDB. Note that there may be multiple copies of the domain in a single PDB structure, since many structures contain multiple copies of the same protein seqence.
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AMP + diphosphate + GMP + L-glutamate
Archea
Eukaryota
Bacteria
Other sequences
Viruses
Unclassified
Viroids
Unclassified sequence