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UniProtKB - Q16877 (F264_HUMAN)

Entry version 190 (07 Apr 2021)
Sequence version 6 (23 Jan 2007)
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Protein

6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 4

Gene

PFKFB4

Organism
Homo sapiens (Human)
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

Synthesis and degradation of fructose 2,6-bisphosphate.

<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

The most important regulatory mechanism of these opposing activities is by phosphorylation and dephosphorylation of the enzyme.By similarity

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 sitei79Fructose 6-phosphateBy similarity1
Binding sitei103Fructose 6-phosphateBy similarity1
<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 sitei129Sequence analysis1
Binding sitei131Fructose 6-phosphateBy similarity1
Binding sitei137Fructose 6-phosphateBy similarity1
Active sitei159Sequence analysis1
Binding sitei173Fructose 6-phosphateBy similarity1
Binding sitei194Fructose 6-phosphateBy similarity1
Binding sitei198Fructose 6-phosphateBy similarity1
Binding sitei256Fructose 2,6-bisphosphateBy similarity1
Active sitei257Tele-phosphohistidine intermediateBy similarity1
Binding sitei263Fructose 2,6-bisphosphateBy similarity1
Binding sitei269Fructose 2,6-bisphosphate; via amide nitrogenBy similarity1
Binding sitei306Fructose 2,6-bisphosphateBy similarity1
Active sitei326Proton donor/acceptorBy similarity1
Binding sitei337Fructose 2,6-bisphosphateBy similarity1
Binding sitei351Fructose 2,6-bisphosphateBy similarity1
Binding sitei355Fructose 2,6-bisphosphateBy similarity1
Binding sitei366Fructose 2,6-bisphosphateBy similarity1
<p>This subsection describes interesting single amino acid sites on the sequence that are not defined in any other subsection. This subsection can be displayed in different sections ('Function', 'PTM / Processing', 'Pathology and Biotech') according to its content.<p><a href='/help/site' target='_top'>More...</a></p>Sitei391Transition state stabilizerBy similarity1
Binding sitei392Fructose 2,6-bisphosphateBy similarity1
Binding sitei396Fructose 2,6-bisphosphateBy similarity1
Binding sitei428ATPBy similarity1

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 bindingi46 – 54ATPBy similarity9
Nucleotide bindingi168 – 173ATPBy similarity6
Nucleotide bindingi348 – 351ATPBy similarity4
Nucleotide bindingi392 – 396ATPBy similarity5

<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 functionHydrolase, Kinase, Multifunctional enzyme, Transferase
LigandATP-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...BioCyci		MetaCyc:HS03750-MONOMER

BRENDA Comprehensive Enzyme Information System

More...BRENDAi		2.7.1.105, 2681
3.1.3.46, 2681

Pathway Commons web resource for biological pathway data

More...PathwayCommonsi		Q16877

Reactome - a knowledgebase of biological pathways and processes

More...Reactomei		R-HSA-9634600, Regulation of glycolysis by fructose 2,6-bisphosphate metabolism

<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:
6-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 4
Short name:
6PF-2-K/Fru-2,6-P2ase 4
Short name:
PFK/FBPase 4
Alternative name(s):
6PF-2-K/Fru-2,6-P2ase testis-type isozyme
Including the following 2 domains:
6-phosphofructo-2-kinase (EC:2.7.1.105)
Fructose-2,6-bisphosphatase (EC:3.1.3.46)
<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:PFKFB4
<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>OrganismiHomo sapiens (Human)
<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 identifieri9606 [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 lineageiEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo
<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
  • UP000005640 <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 3

Organism-specific databases

Human Gene Nomenclature Database

More...HGNCi		HGNC:8875, PFKFB4

Online Mendelian Inheritance in Man (OMIM)

More...MIMi		605320, gene

neXtProt; the human protein knowledge platform

More...neXtProti		NX_Q16877

Eukaryotic Pathogen, Vector and Host Database Resources

More...VEuPathDBi		HostDB:ENSG00000114268.11

<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 provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

Organism-specific databases

DisGeNET

More...DisGeNETi		5210

Open Targets

More...OpenTargetsi		ENSG00000114268

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...PharmGKBi		PA33214

Miscellaneous databases

Pharos NIH Druggable Genome Knowledgebase

More...Pharosi		Q16877, Tchem

Chemistry databases

ChEMBL database of bioactive drug-like small molecules

More...ChEMBLi		CHEMBL3721311

Drug and drug target database

More...DrugBanki		DB04493, Fructose-6-phosphate
DB04395, Phosphoaminophosphonic Acid-Adenylate Ester

Genetic variation databases

BioMuta curated single-nucleotide variation and disease association database

More...BioMutai		PFKFB4

Domain mapping of disease mutations (DMDM)

More...DMDMi		6226609

<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_00001799701 – 4696-phosphofructo-2-kinase/fructose-2,6-bisphosphatase 4Add BLAST469

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 residuei444Phosphothreonine; by PKCSequence analysis1

Keywords - PTMi

Phosphoprotein

Proteomic databases

Encyclopedia of Proteome Dynamics

More...EPDi		Q16877

jPOST - Japan Proteome Standard Repository/Database

More...jPOSTi		Q16877

MassIVE - Mass Spectrometry Interactive Virtual Environment

More...MassIVEi		Q16877

MaxQB - The MaxQuant DataBase

More...MaxQBi		Q16877

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

More...PaxDbi		Q16877

PeptideAtlas

More...PeptideAtlasi		Q16877

PRoteomics IDEntifications database

More...PRIDEi		Q16877

ProteomicsDB: a multi-organism proteome resource

More...ProteomicsDBi		61116 [Q16877-1]
65838
65916

PTM databases

DEPOD human dephosphorylation database

More...DEPODi		PFKFB4

iPTMnet integrated resource for PTMs in systems biology context

More...iPTMneti		Q16877

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

More...PhosphoSitePlusi		Q16877

<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		ENSG00000114268, Expressed in blood and 155 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...ExpressionAtlasi		Q16877, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...Genevisiblei		Q16877, HS

Organism-specific databases

Human Protein Atlas

More...HPAi		ENSG00000114268, Tissue enhanced (testis)

<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

Homodimer.

By similarity

<p>This subsection of the '<a href="http://www.uniprot.org/help/interaction%5Fsection">Interaction</a>' section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="https://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated at every <a href="http://www.uniprot.org/help/synchronization">UniProt release</a>.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Hide details

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		111231, 19 interactors

ComplexPortal: manually curated resource of macromolecular complexes

More...ComplexPortali		CPX-1996, 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 4 complex

Protein interaction database and analysis system

More...IntActi		Q16877, 13 interactors

Molecular INTeraction database

More...MINTi		Q16877

STRING: functional protein association networks

More...STRINGi		9606.ENSP00000232375

Chemistry databases

BindingDB database of measured binding affinities

More...BindingDBi		Q16877

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...RNActi		Q16877, 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		Q16877

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>Regioni1 – 2496-phosphofructo-2-kinaseAdd BLAST249
Regioni250 – 469Fructose-2,6-bisphosphataseAdd BLAST220

<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

In the C-terminal section; belongs to the phosphoglycerate mutase family.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		KOG0234, Eukaryota

Ensembl GeneTree

More...GeneTreei		ENSGT00950000182835

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_006383_1_1_1

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		Q16877

Identification of Orthologs from Complete Genome Data

More...OMAi		HRNRPQN

Database of Orthologous Groups

More...OrthoDBi		392001at2759

Database for complete collections of gene phylogenies

More...PhylomeDBi		Q16877

TreeFam database of animal gene trees

More...TreeFami		TF313541

Family and domain databases

Conserved Domains Database

More...CDDi		cd07067, HP_PGM_like, 1 hit

Gene3D Structural and Functional Annotation of Protein Families

More...Gene3Di		3.40.50.1240, 1 hit

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR003094, 6Pfruct_kin
IPR013079, 6Phosfructo_kin
IPR013078, His_Pase_superF_clade-1
IPR029033, His_PPase_superfam
IPR027417, P-loop_NTPase
IPR001345, PG/BPGM_mutase_AS

The PANTHER Classification System

More...PANTHERi		PTHR10606, PTHR10606, 1 hit

Pfam protein domain database

More...Pfami		View protein in Pfam
PF01591, 6PF2K, 1 hit
PF00300, His_Phos_1, 1 hit

Protein Motif fingerprint database; a protein domain database

More...PRINTSi		PR00991, 6PFRUCTKNASE

Simple Modular Architecture Research Tool; a protein domain database

More...SMARTi		View protein in SMART
SM00855, PGAM, 1 hit

Superfamily database of structural and functional annotation

More...SUPFAMi		SSF52540, SSF52540, 1 hit
SSF53254, SSF53254, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS00175, PG_MUTASE, 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>Sequences (3+)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.

This entry describes 3 <p>This subsection of the 'Sequence' section lists the alternative protein sequences (isoforms) that can be generated from the same gene by a single or by the combination of up to four biological events (alternative promoter usage, alternative splicing, alternative initiation and ribosomal frameshifting). Additionally, this section gives relevant information on each alternative protein isoform. This section is only present in reviewed entries, i.e. in UniProtKB/Swiss-Prot.<p><a href='/help/alternative_products' target='_top'>More...</a></p> isoformsi produced by alternative splicing. AlignAdd to basket

This entry has 3 described isoforms and 6 potential isoforms that are computationally mapped.Show allAlign All

Isoform 1 (identifier: Q16877-1) [UniParc]FASTAAdd to basket

This isoform has been chosen as the <div> <p><b>What is the canonical sequence?</b><p><a href='/help/canonical_and_isoforms' target='_top'>More...</a></p>canonicali sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide
        10         20         30         40         50
MASPRELTQN PLKKIWMPYS NGRPALHACQ RGVCMTNCPT LIVMVGLPAR 
        60         70         80         90        100
GKTYISKKLT RYLNWIGVPT REFNVGQYRR DVVKTYKSFE FFLPDNEEGL 
       110        120        130        140        150
KIRKQCALAA LRDVRRFLSE EGGHVAVFDA TNTTRERRAT IFNFGEQNGY 
       160        170        180        190        200
KTFFVESICV DPEVIAANIV QVKLGSPDYV NRDSDEATED FMRRIECYEN 
       210        220        230        240        250
SYESLDEDLD RDLSYIKIMD VGQSYVVNRV ADHIQSRIVY YLMNIHVTPR 
       260        270        280        290        300
SIYLCRHGES ELNLKGRIGG DPGLSPRGRE FAKSLAQFIS DQNIKDLKVW 
       310        320        330        340        350
TSQMKRTIQT AEALGVPYEQ WKVLNEIDAG VCEEMTYEEI QDNYPLEFAL 
       360        370        380        390        400
RDQDKYRYRY PKGESYEDLV QRLEPVIMEL ERQENVLVIC HQAVMRCLLA 
       410        420        430        440        450
YFLDKAAEQL PYLKCPLHTV LKLTPVAYGC KVESIFLNVA AVNTHRDRPQ 
       460 
NVDISRPPEE ALVTVPAHQ
Length:469
Mass (Da):54,040
Last modified:January 23, 2007 - v6
<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:i7E190C3C0A197D9F
GO
Isoform 2 (identifier: Q16877-2) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     330-364: Missing.

Show »
Length:434
Mass (Da):49,708
Checksum:i223B1A32CE970560
GO
Isoform 3 (identifier: Q16877-3) [UniParc]FASTAAdd to basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-34: Missing.

Show »
Length:435
Mass (Da):50,203
Checksum:i814E51B938C76DA4
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 are 6 potential isoforms mapped to this entry.BLASTAlignShow allAdd to basket
EntryEntry nameProtein names
Gene namesLengthAnnotation
Q66S35Q66S35_HUMAN
6-phosphofructo-2-kinase
PFKFB4
462Annotation score:

Annotation score:3 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>
C9K0D8C9K0D8_HUMAN
6-phosphofructo-2-kinase
PFKFB4
318Annotation score:

Annotation score:3 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>
C9JJ23C9JJ23_HUMAN
6-phosphofructo-2-kinase/fructose-2...
PFKFB4
129Annotation 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>
C9JX77C9JX77_HUMAN
6-phosphofructo-2-kinase/fructose-2...
PFKFB4
175Annotation 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>
F8WC12F8WC12_HUMAN
6-phosphofructo-2-kinase/fructose-2...
PFKFB4
80Annotation 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>
F8WDY1F8WDY1_HUMAN
6-phosphofructo-2-kinase/fructose-2...
PFKFB4
38Annotation 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>

Natural variant

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes natural variant(s) of the protein sequence.<p><a href='/help/variant' target='_top'>More...</a></p>Natural variantiVAR_036075181N → K in a breast cancer sample; somatic mutation. 1 Publication1

Alternative sequence

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section describes the sequence of naturally occurring alternative protein isoform(s). The changes in the amino acid sequence may be due to alternative splicing, alternative promoter usage, alternative initiation, or ribosomal frameshifting.<p><a href='/help/var_seq' target='_top'>More...</a></p>Alternative sequenceiVSP_0566211 – 34Missing in isoform 3. 2 PublicationsAdd BLAST34
Alternative sequenceiVSP_056530330 – 364Missing in isoform 2. 1 PublicationAdd BLAST35

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
AY756062 mRNA Translation: AAV28717.1
AY756064 mRNA Translation: AAV28719.1
D49818 mRNA Translation: BAA18921.1
AY714243 mRNA Translation: AAU14998.1
AF108765 mRNA Translation: AAD09427.1
AY786551 Genomic DNA Translation: AAV65753.1
AC134772 Genomic DNA No translation available.
CH471055 Genomic DNA Translation: EAW64890.1
BC010269 mRNA Translation: AAH10269.1

The Consensus CDS (CCDS) project

More...CCDSi		CCDS2771.1 [Q16877-1]
CCDS82769.1 [Q16877-2]

Protein sequence database of the Protein Information Resource

More...PIRi		JC5871

NCBI Reference Sequences

More...RefSeqi		NP_001304063.1, NM_001317134.1
NP_001304064.1, NM_001317135.1
NP_001304065.1, NM_001317136.1
NP_001304066.1, NM_001317137.1 [Q16877-2]
NP_001304067.1, NM_001317138.1
NP_004558.1, NM_004567.3 [Q16877-1]

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...Ensembli		ENST00000232375; ENSP00000232375; ENSG00000114268 [Q16877-1]
ENST00000383734; ENSP00000373240; ENSG00000114268 [Q16877-2]

Database of genes from NCBI RefSeq genomes

More...GeneIDi		5210

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		hsa:5210

UCSC genome browser

More...UCSCi		uc003ctv.4, human [Q16877-1]

Keywords - Coding sequence diversityi

Alternative splicing

<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
AY756062 mRNA Translation: AAV28717.1
AY756064 mRNA Translation: AAV28719.1
D49818 mRNA Translation: BAA18921.1
AY714243 mRNA Translation: AAU14998.1
AF108765 mRNA Translation: AAD09427.1
AY786551 Genomic DNA Translation: AAV65753.1
AC134772 Genomic DNA No translation available.
CH471055 Genomic DNA Translation: EAW64890.1
BC010269 mRNA Translation: AAH10269.1
CCDSiCCDS2771.1 [Q16877-1]
CCDS82769.1 [Q16877-2]
PIRiJC5871
RefSeqiNP_001304063.1, NM_001317134.1
NP_001304064.1, NM_001317135.1
NP_001304065.1, NM_001317136.1
NP_001304066.1, NM_001317137.1 [Q16877-2]
NP_001304067.1, NM_001317138.1
NP_004558.1, NM_004567.3 [Q16877-1]

3D structure databases

SMRiQ16877
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi111231, 19 interactors
ComplexPortaliCPX-1996, 6-phosphofructo-2-kinase/fructose-2,6-biphosphatase 4 complex
IntActiQ16877, 13 interactors
MINTiQ16877
STRINGi9606.ENSP00000232375

Chemistry databases

BindingDBiQ16877
ChEMBLiCHEMBL3721311
DrugBankiDB04493, Fructose-6-phosphate
DB04395, Phosphoaminophosphonic Acid-Adenylate Ester

PTM databases

DEPODiPFKFB4
iPTMnetiQ16877
PhosphoSitePlusiQ16877

Genetic variation databases

BioMutaiPFKFB4
DMDMi6226609

Proteomic databases

EPDiQ16877
jPOSTiQ16877
MassIVEiQ16877
MaxQBiQ16877
PaxDbiQ16877
PeptideAtlasiQ16877
PRIDEiQ16877
ProteomicsDBi61116 [Q16877-1]
65838
65916

Protocols and materials databases

Antibodypedia a portal for validated antibodies

More...Antibodypediai		30130, 187 antibodies

The DNASU plasmid repository

More...DNASUi		5210

Genome annotation databases

EnsembliENST00000232375; ENSP00000232375; ENSG00000114268 [Q16877-1]
ENST00000383734; ENSP00000373240; ENSG00000114268 [Q16877-2]
GeneIDi5210
KEGGihsa:5210
UCSCiuc003ctv.4, human [Q16877-1]

Organism-specific databases

Comparative Toxicogenomics Database

More...CTDi		5210
DisGeNETi5210

GeneCards: human genes, protein and diseases

More...GeneCardsi		PFKFB4
HGNCiHGNC:8875, PFKFB4
HPAiENSG00000114268, Tissue enhanced (testis)
MIMi605320, gene
neXtProtiNX_Q16877
OpenTargetsiENSG00000114268
PharmGKBiPA33214
VEuPathDBiHostDB:ENSG00000114268.11

GenAtlas: human gene database

More...GenAtlasi		Search...

Phylogenomic databases

eggNOGiKOG0234, Eukaryota
GeneTreeiENSGT00950000182835
HOGENOMiCLU_006383_1_1_1
InParanoidiQ16877
OMAiHRNRPQN
OrthoDBi392001at2759
PhylomeDBiQ16877
TreeFamiTF313541

Enzyme and pathway databases

BioCyciMetaCyc:HS03750-MONOMER
BRENDAi2.7.1.105, 2681
3.1.3.46, 2681
PathwayCommonsiQ16877
ReactomeiR-HSA-9634600, Regulation of glycolysis by fructose 2,6-bisphosphate metabolism

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...BioGRID-ORCSi		5210, 14 hits in 989 CRISPR screens

ChiTaRS: a database of human, mouse and fruit fly chimeric transcripts and RNA-sequencing data

More...ChiTaRSi		PFKFB4, human

The Gene Wiki collection of pages on human genes and proteins

More...GeneWikii		PFKFB4

Database of phenotypes from RNA interference screens in Drosophila and Homo sapiens

More...GenomeRNAii		5210
PharosiQ16877, Tchem

Protein Ontology

More...PROi		PR:Q16877
RNActiQ16877, protein

The Stanford Online Universal Resource for Clones and ESTs

More...SOURCEi		Search...

Gene expression databases

BgeeiENSG00000114268, Expressed in blood and 155 other tissues
ExpressionAtlasiQ16877, baseline and differential
GenevisibleiQ16877, HS

Family and domain databases

CDDicd07067, HP_PGM_like, 1 hit
Gene3Di3.40.50.1240, 1 hit
InterProiView protein in InterPro
IPR003094, 6Pfruct_kin
IPR013079, 6Phosfructo_kin
IPR013078, His_Pase_superF_clade-1
IPR029033, His_PPase_superfam
IPR027417, P-loop_NTPase
IPR001345, PG/BPGM_mutase_AS
PANTHERiPTHR10606, PTHR10606, 1 hit
PfamiView protein in Pfam
PF01591, 6PF2K, 1 hit
PF00300, His_Phos_1, 1 hit
PRINTSiPR00991, 6PFRUCTKNASE
SMARTiView protein in SMART
SM00855, PGAM, 1 hit
SUPFAMiSSF52540, SSF52540, 1 hit
SSF53254, SSF53254, 1 hit
PROSITEiView protein in PROSITE
PS00175, PG_MUTASE, 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 nameiF264_HUMAN
<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: Q16877
Secondary accession number(s): Q5S3G5, Q5XLC2, Q64EX5
<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: July 15, 1998
Last sequence update: January 23, 2007
Last modified: April 7, 2021
This is version 190 of the entry and version 6 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
DisclaimerAny medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.

<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. Human chromosome 3
    Human chromosome 3: entries, gene names and cross-references to MIM
  2. Human entries with genetic variants
    List of human entries with genetic variants
  3. Human variants curated from literature reports
    Index of human variants curated from literature reports
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. SIMILARITY comments
    Index of protein domains and families
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