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Entry version 85 (08 May 2019)
Sequence version 1 (23 Nov 2004)
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Protein

Phosphatidylinositol 4-kinase type 2-beta

Gene

Pi4k2b

Organism
Rattus norvegicus (Rat)
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>
-Experimental evidence at transcript 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

Together with PI4K2A and the type III PI4Ks (PIK4CA and PIK4CB) it contributes to the overall PI4-kinase activity of the cell. This contribution may be especially significant in plasma membrane, endosomal and Golgi compartments. The phosphorylation of phosphatidylinositol (PI) to PI4P is the first committed step in the generation of phosphatidylinositol 4,5-bisphosphate (PIP2), a precursor of the second messenger inositol 1,4,5-trisphosphate (InsP3). Contributes to the production of InsP3 in stimulated cells and is likely to be involved in the regulation of vesicular trafficking (By similarity).By similarity

<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 <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

Recruited and activated by membrane association. Binding to the microsomal membrane has been shown to enhance its activity (By similarity).By similarity

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 sitei144ATPBy similarity1
Binding sitei340ATPBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">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 bindingi123 – 129ATPBy similarity7
Nucleotide bindingi253 – 256ATPBy similarity4

<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

  • 1-phosphatidylinositol 4-kinase activity Source: GO_Central
  • ATP binding Source: UniProtKB-KW

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 functionKinase, Transferase
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-RNO-1483248 Synthesis of PIPs at the ER membrane
R-RNO-1660499 Synthesis of PIPs at the plasma membrane
R-RNO-1660514 Synthesis of PIPs at the Golgi membrane

<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:
Phosphatidylinositol 4-kinase type 2-beta (EC:2.7.1.67)
Alternative name(s):
Phosphatidylinositol 4-kinase type II-beta
<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:Pi4k2b
<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>OrganismiRattus norvegicus (Rat)
<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 identifieri10116 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeRattus
<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
  • UP000002494 <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 14

Organism-specific databases

Rat genome database

More...
RGDi
1359515 Pi4k2b

<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

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte & Seán O’Donoghue; Source: COMPARTMENTS

Keywords - Cellular componenti

Cytoplasm, Membrane

<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_00002851661 – 477Phosphatidylinositol 4-kinase type 2-betaAdd BLAST477

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section specifies the position and type of each modified residue excluding <a href="http://www.uniprot.org/manual/lipid">lipids</a>, <a href="http://www.uniprot.org/manual/carbohyd">glycans</a> and <a href="http://www.uniprot.org/manual/crosslnk">protein cross-links</a>.<p><a href='/help/mod_res' target='_top'>More...</a></p>Modified residuei45PhosphoserineBy similarity1

Keywords - PTMi

Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q5XIL2

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

More...
PaxDbi
Q5XIL2

PRoteomics IDEntifications database

More...
PRIDEi
Q5XIL2

PTM databases

SwissPalm database of S-palmitoylation events

More...
SwissPalmi
Q5XIL2

<p>This section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms.<p><a href='/help/expression_section' target='_top'>More...</a></p>Expressioni

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSRNOG00000003924 Expressed in 9 organ(s), highest expression level in testis

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q5XIL2 RN

<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

STRING: functional protein association networks

More...
STRINGi
10116.ENSRNOP00000005349

<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
Q5XIL2

Database of comparative protein structure models

More...
ModBasei
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
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_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>Domaini125 – 432PI3K/PI4KAdd BLAST308

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>Regioni149 – 151Important for substrate bindingBy similarity3
Regioni157 – 170Important for interaction with membranesBy similarityAdd BLAST14
Regioni260 – 268Important for interaction with membranesBy similarity9
Regioni353 – 362Important for interaction with membranesBy similarity10

<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

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG2381 Eukaryota
ENOG410XP06 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00390000010434

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000294076

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q5XIL2

KEGG Orthology (KO)

More...
KOi
K13711

Identification of Orthologs from Complete Genome Data

More...
OMAi
LCEDLHE

Database of Orthologous Groups

More...
OrthoDBi
1273723at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q5XIL2

TreeFam database of animal gene trees

More...
TreeFami
TF314740

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR039756 Lsb6/PI4K2
IPR000403 PI3/4_kinase_cat_dom

The PANTHER Classification System

More...
PANTHERi
PTHR12865 PTHR12865, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00454 PI3_PI4_kinase, 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.

Q5XIL2-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MPEPPRDIMA EACEATRPSE DEDEEREPLL PRVAWAQPRR GAPGSAVRLQ
60 70 80 90 100
ADQGAAVLRE PATEEPPVVS EDRSISASLS TELDRTRNAV SETNTFLEDP
110 120 130 140 150
EFADVVLKAE QAIEIGVFPE RISQGSSGSY FVKDSKRTII GVFKPKSEEP
160 170 180 190 200
YGQLNPKWTK YVHKVCCPCC FGRGCLLPNQ GYLSEAGAYL VDTKLQLGIV
210 220 230 240 250
PKTKVVWLVS ETFNYSAIDR AKSRGKKYAL EKVPKVGRKF HRIGLPPKIG
260 270 280 290 300
SFQLFVKDYK EAEYWLRRFE AEPLPENIRK QFQSQFERLV ILDYIIRNTD
310 320 330 340 350
RGNDNWLVKY DEMKYAKKIE SEESNWIDDK QLLIRIAAID NGLAFPFKHP
360 370 380 390 400
DEWRAYPFHW AWLPQAKVPF SEETRNLILP FISDMNFVQD LCEDLYELFK
410 420 430 440 450
TDKGFDRAAF ESQMSVMRGQ ILNLTQALRD GKSPMQLAQM PCVIVECSKS
460 470
GGQGRVVHLG SSFTQTVHCR KPFFSSW
Length:477
Mass (Da):54,464
Last modified:November 23, 2004 - 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:iBCC6EECB4594F652
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
BC083668 mRNA Translation: AAH83668.1

NCBI Reference Sequences

More...
RefSeqi
NP_001005883.1, NM_001005883.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSRNOT00000005349; ENSRNOP00000005349; ENSRNOG00000003924

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
305419

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
rno:305419

<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
BC083668 mRNA Translation: AAH83668.1
RefSeqiNP_001005883.1, NM_001005883.1

3D structure databases

SMRiQ5XIL2
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10116.ENSRNOP00000005349

PTM databases

SwissPalmiQ5XIL2

Proteomic databases

jPOSTiQ5XIL2
PaxDbiQ5XIL2
PRIDEiQ5XIL2

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSRNOT00000005349; ENSRNOP00000005349; ENSRNOG00000003924
GeneIDi305419
KEGGirno:305419

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
55300
RGDi1359515 Pi4k2b

Phylogenomic databases

eggNOGiKOG2381 Eukaryota
ENOG410XP06 LUCA
GeneTreeiENSGT00390000010434
HOGENOMiHOG000294076
InParanoidiQ5XIL2
KOiK13711
OMAiLCEDLHE
OrthoDBi1273723at2759
PhylomeDBiQ5XIL2
TreeFamiTF314740

Enzyme and pathway databases

ReactomeiR-RNO-1483248 Synthesis of PIPs at the ER membrane
R-RNO-1660499 Synthesis of PIPs at the plasma membrane
R-RNO-1660514 Synthesis of PIPs at the Golgi membrane

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q5XIL2

Gene expression databases

BgeeiENSRNOG00000003924 Expressed in 9 organ(s), highest expression level in testis
GenevisibleiQ5XIL2 RN

Family and domain databases

InterProiView protein in InterPro
IPR039756 Lsb6/PI4K2
IPR000403 PI3/4_kinase_cat_dom
PANTHERiPTHR12865 PTHR12865, 1 hit
PfamiView protein in Pfam
PF00454 PI3_PI4_kinase, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
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 nameiP4K2B_RAT
<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: Q5XIL2
<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: May 1, 2007
Last sequence update: November 23, 2004
Last modified: May 8, 2019
This is version 85 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 programChordata 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

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
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