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Entry version 148 (22 Apr 2020)
Sequence version 1 (01 May 1999)
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Protein

Platelet factor 4

Gene

Pf4

Organism
Mus musculus (Mouse)
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

Released during platelet aggregation. Neutralizes the anticoagulant effect of heparin because it binds more strongly to heparin than to the chondroitin-4-sulfate chains of the carrier molecule. Chemotactic for neutrophils and monocytes. Inhibits endothelial cell proliferation (By similarity).By similarity

<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 functionCytokine, Heparin-binding
Biological processChemotaxis

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-114608 Platelet degranulation
R-MMU-140875 Common Pathway of Fibrin Clot Formation
R-MMU-202733 Cell surface interactions at the vascular wall
R-MMU-380108 Chemokine receptors bind chemokines
R-MMU-418594 G alpha (i) signalling events

<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:
Platelet factor 4
Short name:
PF-4
Alternative name(s):
C-X-C motif chemokine 4
<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:Pf4
Synonyms:Cxcl4, Scyb4
<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>OrganismiMus musculus (Mouse)
<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 identifieri10090 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<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
  • UP000000589 <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 5

Organism-specific databases

Mouse genome database (MGD) from Mouse Genome Informatics (MGI)

More...
MGIi
MGI:1888711 Pf4

<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

Secreted

<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 denotes the presence of an N-terminal signal peptide.<p><a href='/help/signal' target='_top'>More...</a></p>Signal peptidei1 – 29By similarityAdd BLAST29
<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_000000506930 – 105Platelet factor 4Add BLAST76

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm%5Fprocessing%5Fsection">PTM / Processing</a> section specifies the position and type of each covalently attached glycan group (mono-, di-, or polysaccharide).<p><a href='/help/carbohyd' target='_top'>More...</a></p>Glycosylationi31O-linked (GalNAc...) threonineBy similarity1
<p>This subsection of the PTM / Processing":/help/ptm_processing_section section describes the positions of cysteine residues participating in disulfide bonds.<p><a href='/help/disulfid' target='_top'>More...</a></p>Disulfide bondi44 ↔ 71By similarity
Disulfide bondi46 ↔ 87By similarity
<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 residuei61PhosphoserineBy similarity1

Keywords - PTMi

Disulfide bond, Glycoprotein, Phosphoprotein

Proteomic databases

jPOST - Japan Proteome Standard Repository/Database

More...
jPOSTi
Q9Z126

MaxQB - The MaxQuant DataBase

More...
MaxQBi
Q9Z126

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

More...
PaxDbi
Q9Z126

PeptideAtlas

More...
PeptideAtlasi
Q9Z126

PRoteomics IDEntifications database

More...
PRIDEi
Q9Z126

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
Q9Z126

Comprehensive resource for the study of protein post-translational modifications (PTMs) in human, mouse and rat.

More...
PhosphoSitePlusi
Q9Z126

<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
ENSMUSG00000029373 Expressed in blood and 227 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
Q9Z126 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
Q9Z126 MM

<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.

By similarity

GO - Molecular functioni

Protein-protein interaction databases

Database of interacting proteins

More...
DIPi
DIP-61569N

Protein interaction database and analysis system

More...
IntActi
Q9Z126, 4 interactors

Molecular INTeraction database

More...
MINTi
Q9Z126

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000031320

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...
RNActi
Q9Z126 protein

<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
Q9Z126

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

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>Regioni96 – 102Heparin-bindingBy similarity7

<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

Keywords - Domaini

Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410J314 Eukaryota
ENOG4111556 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000163368

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_143902_1_2_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
Q9Z126

KEGG Orthology (KO)

More...
KOi
K05407

Identification of Orthologs from Complete Genome Data

More...
OMAi
RATHPEM

Database of Orthologous Groups

More...
OrthoDBi
1617719at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
Q9Z126

TreeFam database of animal gene trees

More...
TreeFami
TF333433

Family and domain databases

Conserved Domains Database

More...
CDDi
cd00273 Chemokine_CXC, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001089 Chemokine_CXC
IPR018048 Chemokine_CXC_CS
IPR001811 Chemokine_IL8-like_dom
IPR033899 CXC_Chemokine_domain
IPR036048 Interleukin_8-like_sf
IPR027222 PF4

The PANTHER Classification System

More...
PANTHERi
PTHR10179 PTHR10179, 1 hit
PTHR10179:SF43 PTHR10179:SF43, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00048 IL8, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00437 SMALLCYTKCXC

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00199 SCY, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF54117 SSF54117, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00471 SMALL_CYTOKINES_CXC, 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>Sequence (1+)i

<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.

<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 in its mature form or if it represents the precursor.<p><a href='/help/sequence_processing' target='_top'>More...</a></p>Sequence processingi: The displayed sequence is further processed into a mature form.

This entry has 1 described isoform and 1 potential isoform that is computationally mapped.Show allAlign All

Q9Z126-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSVAAVFRGL RPSPELLLLG LLFLPAVVAV TSAGPEESDG DLSCVCVKTI
60 70 80 90 100
SSGIHLKHIT SLEVIKAGRH CAVPQLIATL KNGRKICLDR QAPLYKKVIK

KILES
Length:105
Mass (Da):11,243
Last modified:May 1, 1999 - 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:i94F0190EFACF1A6C
GO

<p>In eukaryotic reference proteomes, unreviewed entries that are likely to belong to the same gene are computationally mapped, based on gene identifiers from Ensembl, EnsemblGenomes and model organism databases.<p><a href='/help/gene_centric_isoform_mapping' target='_top'>More...</a></p>Computationally mapped potential isoform sequencesi

There is 1 potential isoform mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
A0A0J9YTR7A0A0J9YTR7_MOUSE
Platelet factor 4
Pf4
77Annotation score:

Annotation score:1 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>

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
AB017491 mRNA Translation: BAA75660.1
AF349465 Genomic DNA Translation: AAK30163.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS19416.1

NCBI Reference Sequences

More...
RefSeqi
NP_064316.1, NM_019932.4

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000031320; ENSMUSP00000031320; ENSMUSG00000029373

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
56744

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:56744

UCSC genome browser

More...
UCSCi
uc008ybi.2 mouse

<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
AB017491 mRNA Translation: BAA75660.1
AF349465 Genomic DNA Translation: AAK30163.1
CCDSiCCDS19416.1
RefSeqiNP_064316.1, NM_019932.4

3D structure databases

SMRiQ9Z126
ModBaseiSearch...

Protein-protein interaction databases

DIPiDIP-61569N
IntActiQ9Z126, 4 interactors
MINTiQ9Z126
STRINGi10090.ENSMUSP00000031320

PTM databases

iPTMnetiQ9Z126
PhosphoSitePlusiQ9Z126

Proteomic databases

jPOSTiQ9Z126
MaxQBiQ9Z126
PaxDbiQ9Z126
PeptideAtlasiQ9Z126
PRIDEiQ9Z126

Genome annotation databases

EnsembliENSMUST00000031320; ENSMUSP00000031320; ENSMUSG00000029373
GeneIDi56744
KEGGimmu:56744
UCSCiuc008ybi.2 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
5196
MGIiMGI:1888711 Pf4

Phylogenomic databases

eggNOGiENOG410J314 Eukaryota
ENOG4111556 LUCA
GeneTreeiENSGT00940000163368
HOGENOMiCLU_143902_1_2_1
InParanoidiQ9Z126
KOiK05407
OMAiRATHPEM
OrthoDBi1617719at2759
PhylomeDBiQ9Z126
TreeFamiTF333433

Enzyme and pathway databases

ReactomeiR-MMU-114608 Platelet degranulation
R-MMU-140875 Common Pathway of Fibrin Clot Formation
R-MMU-202733 Cell surface interactions at the vascular wall
R-MMU-380108 Chemokine receptors bind chemokines
R-MMU-418594 G alpha (i) signalling events

Miscellaneous databases

Protein Ontology

More...
PROi
PR:Q9Z126
RNActiQ9Z126 protein

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000029373 Expressed in blood and 227 other tissues
ExpressionAtlasiQ9Z126 baseline and differential
GenevisibleiQ9Z126 MM

Family and domain databases

CDDicd00273 Chemokine_CXC, 1 hit
InterProiView protein in InterPro
IPR001089 Chemokine_CXC
IPR018048 Chemokine_CXC_CS
IPR001811 Chemokine_IL8-like_dom
IPR033899 CXC_Chemokine_domain
IPR036048 Interleukin_8-like_sf
IPR027222 PF4
PANTHERiPTHR10179 PTHR10179, 1 hit
PTHR10179:SF43 PTHR10179:SF43, 1 hit
PfamiView protein in Pfam
PF00048 IL8, 1 hit
PRINTSiPR00437 SMALLCYTKCXC
SMARTiView protein in SMART
SM00199 SCY, 1 hit
SUPFAMiSSF54117 SSF54117, 1 hit
PROSITEiView protein in PROSITE
PS00471 SMALL_CYTOKINES_CXC, 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 nameiPLF4_MOUSE
<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: Q9Z126
<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: November 1, 2002
Last sequence update: May 1, 1999
Last modified: April 22, 2020
This is version 148 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

Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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