Skip Header

You are using a version of browser that may not display all the features of this website. Please consider upgrading your browser.
Entry version 102 (13 Nov 2019)
Sequence version 1 (20 Dec 2005)
Previous versions | rss
Help videoAdd a publicationFeedback
Protein

Dihydroneopterin triphosphate diphosphatase

Gene

nudB

Organism
Escherichia coli (strain K12)
Status
Reviewed-Annotation score:

Annotation score:5 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>
-Experimental evidence at protein leveli <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 hydrolysis of dihydroneopterin triphosphate to dihydroneopterin monophosphate and pyrophosphate. Required for efficient folate biosynthesis. Can also hydrolyze nucleoside triphosphates with a preference for dATP.2 Publications

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 ‘Function’ section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

Mg2+1 PublicationNote: Binds 1 Mg2+ ion per subunit.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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

Subject to product inhibition by pyrophosphate.1 Publication

<p>This subsection of the ‘Function’ section describes biophysical and chemical properties, such as maximal absorption, kinetic parameters, pH dependence, redox potentials and temperature dependence.<p><a href='/help/biophysicochemical_properties' target='_top'>More...</a></p>Kineticsi

  1. KM=0.27 mM for dihydroneopterin triphosphate2 Publications
  2. KM=0.79 mM for dATP2 Publications

    pH dependencei

    Optimum pH is 8.5-9.2 Publications

    Sites

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 sitei7Substrate1
    Binding sitei29Substrate1
    Binding sitei40Substrate1
    <p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 bindingi56Magnesium1
    Metal bindingi60Magnesium1
    Metal bindingi117Magnesium1
    Binding sitei135SubstrateSequence analysis1

    <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

    GO - Biological processi

    <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 functionHydrolase
    Biological processFolate biosynthesis
    LigandMagnesium, Metal-binding

    Enzyme and pathway databases

    BioCyc Collection of Pathway/Genome Databases

    More...
    BioCyci
    EcoCyc:H2NEOPTERINP3PYROPHOSPHOHYDRO-MONOMER
    ECOL316407:JW1854-MONOMER
    MetaCyc:H2NEOPTERINP3PYROPHOSPHOHYDRO-MONOMER

    BRENDA Comprehensive Enzyme Information System

    More...
    BRENDAi
    3.6.1.B15 2026

    <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_and_taxonomy_section">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:
    Dihydroneopterin triphosphate diphosphatase (EC:3.6.1.671 Publication)
    Alternative name(s):
    Dihydroneopterin triphosphate pyrophosphatase
    dATP pyrophosphohydrolase
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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:nudB
    Synonyms:ntpA
    Ordered Locus Names:b1865, JW1854
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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>OrganismiEscherichia coli (strain K12)
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 identifieri83333 [NCBI]
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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 lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeEscherichia
    <p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">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
    • UP000000318 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">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
    • UP000000625 Componenti: Chromosome

    <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.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00000569521 – 150Dihydroneopterin triphosphate diphosphataseAdd BLAST150

    Proteomic databases

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

    More...
    PaxDbi
    P0AFC0

    PRoteomics IDEntifications database

    More...
    PRIDEi
    P0AFC0

    <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

    Protein-protein interaction databases

    The Biological General Repository for Interaction Datasets (BioGrid)

    More...
    BioGridi
    4260348, 315 interactors

    Database of interacting proteins

    More...
    DIPi
    DIP-10372N

    Protein interaction database and analysis system

    More...
    IntActi
    P0AFC0, 7 interactors

    STRING: functional protein association networks

    More...
    STRINGi
    511145.b1865

    <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

    Secondary structure

    1150
    Legend: HelixTurnBeta strandPDB Structure known for this area
    Show more details

    3D structure databases

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

    More...
    SMRi
    P0AFC0

    Database of comparative protein structure models

    More...
    ModBasei
    Search...

    Protein Data Bank in Europe - Knowledge Base

    More...
    PDBe-KBi
    Search...

    Miscellaneous databases

    Relative evolutionary importance of amino acids within a protein sequence

    More...
    EvolutionaryTracei
    P0AFC0

    <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_and_domains_section">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>Domaini5 – 146Nudix hydrolasePROSITE-ProRule annotationAdd BLAST142

    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>Regioni81 – 84Substrate bindingSequence analysis4

    Motif

    Feature keyPosition(s)DescriptionActionsGraphical viewLength
    <p>This subsection of the ‘Family and Domains’ section describes a short (usually not more than 20 amino acids) conserved sequence motif of biological significance.<p><a href='/help/motif' target='_top'>More...</a></p>Motifi41 – 62Nudix boxAdd BLAST22

    <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 Nudix hydrolase family.Curated

    Phylogenomic databases

    evolutionary genealogy of genes: Non-supervised Orthologous Groups

    More...
    eggNOGi
    ENOG4108TIT Bacteria
    COG0494 LUCA

    The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

    More...
    HOGENOMi
    HOG000264405

    InParanoid: Eukaryotic Ortholog Groups

    More...
    InParanoidi
    P0AFC0

    KEGG Orthology (KO)

    More...
    KOi
    K08310

    Family and domain databases

    Integrated resource of protein families, domains and functional sites

    More...
    InterProi
    View protein in InterPro
    IPR003564 DHNTPase
    IPR015797 NUDIX_hydrolase-like_dom_sf
    IPR020084 NUDIX_hydrolase_CS
    IPR000086 NUDIX_hydrolase_dom

    Pfam protein domain database

    More...
    Pfami
    View protein in Pfam
    PF00293 NUDIX, 1 hit

    Protein Motif fingerprint database; a protein domain database

    More...
    PRINTSi
    PR01404 NPPPHYDRLASE

    Superfamily database of structural and functional annotation

    More...
    SUPFAMi
    SSF55811 SSF55811, 1 hit

    PROSITE; a protein domain and family database

    More...
    PROSITEi
    View protein in PROSITE
    PS51462 NUDIX, 1 hit
    PS00893 NUDIX_BOX, 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_length">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_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">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.

    P0AFC0-1 [UniParc]FASTAAdd to basket
    « Hide
            10         20         30         40         50
    MKDKVYKRPV SILVVIYAQD TKRVLMLQRR DDPDFWQSVT GSVEEGETAP
    60 70 80 90 100
    QAAMREVKEE VTIDVVAEQL TLIDCQRTVE FEIFSHLRHR YAPGVTRNTE
    110 120 130 140 150
    SWFCLALPHE RQIVFTEHLA YKWLDAPAAA ALTKSWSNRQ AIEQFVINAA
    Length:150
    Mass (Da):17,306
    Last modified:December 20, 2005 - 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:iB4F05FA056F3BA07
    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
    X59551 Genomic DNA Translation: CAA42124.1
    D10165 Genomic DNA Translation: BAA01029.1
    U00096 Genomic DNA Translation: AAC74935.1
    AP009048 Genomic DNA Translation: BAA15676.1

    Protein sequence database of the Protein Information Resource

    More...
    PIRi
    B38113

    NCBI Reference Sequences

    More...
    RefSeqi
    NP_416379.1, NC_000913.3
    WP_001300367.1, NZ_SSZK01000001.1

    Genome annotation databases

    Ensembl bacterial and archaeal genome annotation project

    More...
    EnsemblBacteriai
    AAC74935; AAC74935; b1865
    BAA15676; BAA15676; BAA15676

    Database of genes from NCBI RefSeq genomes

    More...
    GeneIDi
    946383

    KEGG: Kyoto Encyclopedia of Genes and Genomes

    More...
    KEGGi
    ecj:JW1854
    eco:b1865

    Pathosystems Resource Integration Center (PATRIC)

    More...
    PATRICi
    fig|511145.12.peg.1944

    <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
    X59551 Genomic DNA Translation: CAA42124.1
    D10165 Genomic DNA Translation: BAA01029.1
    U00096 Genomic DNA Translation: AAC74935.1
    AP009048 Genomic DNA Translation: BAA15676.1
    PIRiB38113
    RefSeqiNP_416379.1, NC_000913.3
    WP_001300367.1, NZ_SSZK01000001.1

    3D structure databases

    Select the link destinations:

    Protein Data Bank Europe

    More...
    PDBei

    Protein Data Bank RCSB

    More...
    RCSB PDBi

    Protein Data Bank Japan

    More...
    PDBji
    Links Updated
    PDB entryMethodResolution (Å)ChainPositionsPDBsum
    2O1CX-ray1.80A/B/C/D1-150[»]
    2O5WX-ray2.60A/B/C/D1-150[»]
    SMRiP0AFC0
    ModBaseiSearch...
    PDBe-KBiSearch...

    Protein-protein interaction databases

    BioGridi4260348, 315 interactors
    DIPiDIP-10372N
    IntActiP0AFC0, 7 interactors
    STRINGi511145.b1865

    Proteomic databases

    PaxDbiP0AFC0
    PRIDEiP0AFC0

    Genome annotation databases

    EnsemblBacteriaiAAC74935; AAC74935; b1865
    BAA15676; BAA15676; BAA15676
    GeneIDi946383
    KEGGiecj:JW1854
    eco:b1865
    PATRICifig|511145.12.peg.1944

    Organism-specific databases

    EchoBASE - an integrated post-genomic database for E. coli

    More...
    EchoBASEi
    EB1128

    Phylogenomic databases

    eggNOGiENOG4108TIT Bacteria
    COG0494 LUCA
    HOGENOMiHOG000264405
    InParanoidiP0AFC0
    KOiK08310

    Enzyme and pathway databases

    BioCyciEcoCyc:H2NEOPTERINP3PYROPHOSPHOHYDRO-MONOMER
    ECOL316407:JW1854-MONOMER
    MetaCyc:H2NEOPTERINP3PYROPHOSPHOHYDRO-MONOMER
    BRENDAi3.6.1.B15 2026

    Miscellaneous databases

    EvolutionaryTraceiP0AFC0

    Protein Ontology

    More...
    PROi
    PR:P0AFC0

    Family and domain databases

    InterProiView protein in InterPro
    IPR003564 DHNTPase
    IPR015797 NUDIX_hydrolase-like_dom_sf
    IPR020084 NUDIX_hydrolase_CS
    IPR000086 NUDIX_hydrolase_dom
    PfamiView protein in Pfam
    PF00293 NUDIX, 1 hit
    PRINTSiPR01404 NPPPHYDRLASE
    SUPFAMiSSF55811 SSF55811, 1 hit
    PROSITEiView protein in PROSITE
    PS51462 NUDIX, 1 hit
    PS00893 NUDIX_BOX, 1 hit

    ProtoNet; Automatic hierarchical classification of proteins

    More...
    ProtoNeti
    Search...

    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 nameiNUDB_ECOLI
    <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: P0AFC0
    Secondary accession number(s): P24236
    <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_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: December 20, 2005
    Last sequence update: December 20, 2005
    Last modified: November 13, 2019
    This is version 102 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

    3D-structure, Complete proteome, Reference proteome

    Documents

    1. SIMILARITY comments
      Index of protein domains and families
    2. Escherichia coli
      Escherichia coli (strain K12): entries and cross-references to EcoGene
    3. PDB cross-references
      Index of Protein Data Bank (PDB) cross-references
    UniProt is an ELIXIR core data resource
    Main funding by: National Institutes of Health

    We'd like to inform you that we have updated our Privacy Notice to comply with Europe’s new General Data Protection Regulation (GDPR) that applies since 25 May 2018.

    Do not show this banner again