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UniProtKB - P13242 (PYRG_BACSU)

Entry version 152 (23 Feb 2022)
Sequence version 1 (01 Jan 1990)
Previous versions | rss
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Protein

CTP synthase

Gene

pyrG

Organism
Bacillus subtilis (strain 168)
Status
Reviewed-Annotation score:

Annotation score:4 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the 'correct annotation' for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>-Protein inferred from homologyi <p>This indicates the type of evidence that supports the existence of the protein. Note that the 'protein existence' evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Catalyzes the ATP-dependent amination of UTP to CTP with either L-glutamine or ammonia as the source of nitrogen. Regulates intracellular CTP levels through interactions with the four ribonucleotide triphosphates.

UniRule annotation

Miscellaneous

CTPSs have evolved a hybrid strategy for distinguishing between UTP and CTP. The overlapping regions of the product feedback inhibitory and substrate sites recognize a common feature in both compounds, the triphosphate moiety. To differentiate isosteric substrate and product pyrimidine rings, an additional pocket far from the expected kinase/ligase catalytic site, specifically recognizes the cytosine and ribose portions of the product inhibitor.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes regulatory mechanisms for enzymes, transporters or microbial transcription factors, and reports the components which regulate (by activation or inhibition) the reaction.<p><a href='/help/activity_regulation' target='_top'>More...</a></p>Activity regulationi

Allosterically activated by GTP, when glutamine is the substrate; GTP has no effect on the reaction when ammonia is the substrate. The allosteric effector GTP functions by stabilizing the protein conformation that binds the tetrahedral intermediate(s) formed during glutamine hydrolysis. Inhibited by the product CTP, via allosteric rather than competitive inhibition.UniRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: CTP biosynthesis via de novo pathway

This protein is involved in step 2 of the subpathway that synthesizes CTP from UDP.UniRule annotation This subpathway is part of the pathway CTP biosynthesis via de novo pathway, which is itself part of Pyrimidine metabolism.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes CTP from UDP, the pathway CTP biosynthesis via de novo pathway and in Pyrimidine metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes the interaction between a single amino acid and another chemical entity. Priority is given to the annotation of physiological ligands.<p><a href='/help/binding' target='_top'>More...</a></p>Binding sitei13CTP; allosteric inhibitor; alternateUniRule annotation1
Binding sitei13UTP; alternateUniRule annotation1
Binding sitei54L-glutamineUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the 'Description' field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi71MagnesiumUniRule annotation1
Binding sitei71ATPUniRule annotation1
Metal bindingi141MagnesiumUniRule annotation1
Binding sitei224CTP; allosteric inhibitor; alternateUniRule annotation1
Binding sitei224UTP; alternateUniRule annotation1
Binding sitei354L-glutamine; via carbonyl oxygenUniRule annotation1
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section is used for enzymes and indicates the residues directly involved in catalysis.<p><a href='/help/act_site' target='_top'>More...</a></p>Active sitei381Nucleophile; for glutamine hydrolysisUniRule annotation1
Binding sitei405L-glutamineUniRule annotation1
Binding sitei462L-glutamine; via amide nitrogenUniRule annotation1
Active sitei507UniRule annotation1
Active sitei509UniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section describes a region in the protein which binds nucleotide phosphates. It always involves more than one amino acid and includes all residues involved in nucleotide-binding.<p><a href='/help/np_bind' target='_top'>More...</a></p>Nucleotide bindingi14 – 19ATPUniRule annotation6
Nucleotide bindingi148 – 150CTP; allosteric inhibitorUniRule annotation3
Nucleotide bindingi188 – 193CTP; allosteric inhibitor; alternateUniRule annotation6
Nucleotide bindingi188 – 193UTP; alternateUniRule annotation6

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

Complete GO annotation on QuickGO ...

GO - Biological processi

Complete GO annotation on QuickGO ...

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionLigase
Biological processPyrimidine biosynthesis
LigandATP-binding, Magnesium, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		BSUB:BSU37150-MONOMER

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...UniPathwayi		UPA00159;UER00277

Protein family/group databases

MEROPS protease database

More...MEROPSi		C26.964

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
CTP synthaseUniRule annotation (EC:6.3.4.2UniRule annotation)
Alternative name(s):
Cytidine 5'-triphosphate synthaseUniRule annotation
Cytidine triphosphate synthetaseUniRule annotation
Short name:
CTP synthetaseUniRule annotation
Short name:
CTPSUniRule annotation
UTP--ammonia ligaseUniRule annotation
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: 'Name', 'Synonyms', 'Ordered locus names' and 'ORF names'.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:pyrGUniRule annotation
Synonyms:ctrA
Ordered Locus Names:BSU37150
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiBacillus subtilis (strain 168)
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the 'taxonomic identifier' or 'taxid'.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri224308 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteria › Firmicutes › Bacilli › Bacillales › Bacillaceae › Bacillus ›
<p>This subsection of the <a href="http://www.uniprot.org/help/names%5Fand%5Ftaxonomy%5Fsection">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000001570 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes%5Fmanual">proteome</a> can consist of several components.<br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'PTM / Processing' section describes the extent of a polypeptide chain in the mature protein following processing or proteolytic cleavage.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00001381651 – 535CTP synthaseAdd BLAST535

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		P13242

PaxDb, a database of protein abundance averages across all three domains of life

More...PaxDbi		P13242

PRoteomics IDEntifications database

More...PRIDEi		P13242

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

<p>This subsection of the <a href="http://www.uniprot.org/help/interaction%5Fsection">'Interaction'</a> section provides information about the protein quaternary structure and interaction(s) with other proteins or protein complexes (with the exception of physiological receptor-ligand interactions which are annotated in the <a href="http://www.uniprot.org/help/function%5Fsection">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homotetramer.

UniRule annotation

GO - Molecular functioni

Complete GO annotation on QuickGO ...

Protein-protein interaction databases

STRING: functional protein association networks

More...STRINGi		224308.BSU37150

<p>This section provides information on the tertiary and secondary structure of a protein.<p><a href='/help/structure_section' target='_top'>More...</a></p>Structurei

3D structure databases

SWISS-MODEL Repository - a database of annotated 3D protein structure models

More...SMRi		P13242

Database of comparative protein structure models

More...ModBasei		Search...

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family%5Fand%5Fdomains%5Fsection">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini292 – 534Glutamine amidotransferase type-1UniRule annotationAdd BLAST243

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Family and Domains' section describes a region of interest that cannot be described in other subsections.<p><a href='/help/region' target='_top'>More...</a></p>Regioni1 – 267Amidoligase domainUniRule annotationAdd BLAST267
Regioni382 – 385L-glutamine bindingUniRule annotation4

<p>This subsection of the 'Family and domains' section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the CTP synthase family.UniRule annotation

Keywords - Domaini

Glutamine amidotransferase

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		COG0504, Bacteria

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		P13242

Identification of Orthologs from Complete Genome Data

More...OMAi		EFNNAYR

Database for complete collections of gene phylogenies

More...PhylomeDBi		P13242

Family and domain databases

Conserved Domains Database

More...CDDi		cd03113, CTPS_N, 1 hit
cd01746, GATase1_CTP_Synthase, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.40.50.300, 1 hit
3.40.50.880, 1 hit

HAMAP database of protein families

More...HAMAPi		MF_01227, PyrG, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR029062, Class_I_gatase-like
IPR004468, CTP_synthase
IPR017456, CTP_synthase_N
IPR017926, GATASE
IPR033828, GATase1_CTP_Synthase
IPR027417, P-loop_NTPase

The PANTHER Classification System

More...PANTHERi		PTHR11550, PTHR11550, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF06418, CTP_synth_N, 1 hit
PF00117, GATase, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF52317, SSF52317, 1 hit
SSF52540, SSF52540, 1 hit

TIGRFAMs; a protein family database

More...TIGRFAMsi		TIGR00337, PyrG, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS51273, GATASE_TYPE_1, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence%5Flength">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences%5Fsection">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

P13242-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MTKYIFVTGG VVSSLGKGIV AASLGRLLKN RGLNVTIQKF DPYINVDPGT 
        60         70         80         90        100
MSPYQHGEVF VTDDGAETDL DLGHYERFID INLNKFSNVT TGKIYSTVLK 
       110        120        130        140        150
KERRGDYLGG TVQVIPHITN ELKDRVYRAG KETNADVVIT EIGGTVGDIE 
       160        170        180        190        200
SLPFLEAIRQ MKSDIGRENV MYIHCTLVPY IKAAGELKTK PTQHSVKELR 
       210        220        230        240        250
SLGIQPNIIV VRTEMPISQD MKDKIALFCD IDTKAVIECE DADNLYSIPL 
       260        270        280        290        300
ELQKQGLDKL VCEHMKLACK EAEMSEWKEL VNKVSNLSQT ITIGLVGKYV 
       310        320        330        340        350
ELPDAYISVV ESLRHAGYAF DTDVKVKWIN AEEVTENNIA ELTSGTDGII 
       360        370        380        390        400
VPGGFGDRGV EGKIVATKYA RENNIPFLGI CLGMQVASIE YARNVLGLKG 
       410        420        430        440        450
AHSAEIDPST QYPIIDLLPE QKDVEDLGGT LRLGLYPCKL EEGTKAFEVY 
       460        470        480        490        500
QDEVVYERHR HRYEFNNEFR QQMEEQGFVF SGTSPDGRLV EIIELKDHPW 
       510        520        530 
FVASQFHPEF KSRPTRPQPL FKGFIGASVE AANQK
Length:535
Mass (Da):59,718
Last modified:January 1, 1990 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i2B98966D713FCA90
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...EMBLi

GenBank nucleotide sequence database

More...GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...DDBJi
Links Updated
M22039 Unassigned DNA Translation: AAA16801.1
Z49782 Genomic DNA Translation: CAA89870.1
AL009126 Genomic DNA Translation: CAB15743.1

Protein sequence database of the Protein Information Resource

More...PIRi		A32354, SYBSTP

NCBI Reference Sequences

More...RefSeqi		NP_391596.1, NC_000964.3
WP_003227612.1, NZ_JNCM01000034.1

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...EnsemblBacteriai		CAB15743; CAB15743; BSU_37150

Database of genes from NCBI RefSeq genomes

More...GeneIDi		937044

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		bsu:BSU37150

Pathosystems Resource Integration Center (PATRIC)

More...PATRICi		fig|224308.179.peg.4024

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M22039 Unassigned DNA Translation: AAA16801.1
Z49782 Genomic DNA Translation: CAA89870.1
AL009126 Genomic DNA Translation: CAB15743.1
PIRiA32354, SYBSTP
RefSeqiNP_391596.1, NC_000964.3
WP_003227612.1, NZ_JNCM01000034.1

3D structure databases

SMRiP13242
ModBaseiSearch...

Protein-protein interaction databases

STRINGi224308.BSU37150

Protein family/group databases

MEROPSiC26.964

Proteomic databases

jPOSTiP13242
PaxDbiP13242
PRIDEiP13242

Genome annotation databases

EnsemblBacteriaiCAB15743; CAB15743; BSU_37150
GeneIDi937044
KEGGibsu:BSU37150
PATRICifig|224308.179.peg.4024

Phylogenomic databases

eggNOGiCOG0504, Bacteria
InParanoidiP13242
OMAiEFNNAYR
PhylomeDBiP13242

Enzyme and pathway databases

UniPathwayiUPA00159;UER00277
BioCyciBSUB:BSU37150-MONOMER

Family and domain databases

CDDicd03113, CTPS_N, 1 hit
cd01746, GATase1_CTP_Synthase, 1 hit
Gene3Di3.40.50.300, 1 hit
3.40.50.880, 1 hit
HAMAPiMF_01227, PyrG, 1 hit
InterProiView protein in InterPro
IPR029062, Class_I_gatase-like
IPR004468, CTP_synthase
IPR017456, CTP_synthase_N
IPR017926, GATASE
IPR033828, GATase1_CTP_Synthase
IPR027417, P-loop_NTPase
PANTHERiPTHR11550, PTHR11550, 1 hit
PfamiView protein in Pfam
PF06418, CTP_synth_N, 1 hit
PF00117, GATase, 1 hit
SUPFAMiSSF52317, SSF52317, 1 hit
SSF52540, SSF52540, 1 hit
TIGRFAMsiTIGR00337, PyrG, 1 hit
PROSITEiView protein in PROSITE
PS51273, GATASE_TYPE_1, 1 hit

MobiDB: a database of protein disorder and mobility annotations

More...MobiDBi		Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the 'Entry information' section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiPYRG_BACSU
<p>This subsection of the 'Entry information' section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called 'Primary (citable) accession number'.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: P13242
<p>This subsection of the 'Entry information' section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification ('Last modified'). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical%5Fand%5Fisoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 1, 1990
Last sequence update: January 1, 1990
Last modified: February 23, 2022
This is version 152 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the 'Entry information' section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn't fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families
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