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Entry version 191 (17 Jun 2020)
Sequence version 2 (30 Aug 2005)
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Protein

Protein krueppel

Gene

Kr

Organism
Drosophila melanogaster (Fruit fly)
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

Krueppel is a gap class segmentation protein. It is involved in the segmentation of the embryo and in the differentiation of the Malpighian tubules.

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function%5Fsection">Function</a> section specifies the position(s) and type(s) of zinc fingers within the protein.<p><a href='/help/zn_fing' target='_top'>More...</a></p>Zinc fingeri222 – 244C2H2-type 1PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri250 – 272C2H2-type 2PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri278 – 300C2H2-type 3PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri306 – 328C2H2-type 4PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri334 – 354C2H2-type 5PROSITE-ProRule annotationAdd BLAST21

<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 functionDevelopmental protein, DNA-binding, Gap protein
LigandMetal-binding, Zinc

Enzyme and pathway databases

SignaLink: a signaling pathway resource with multi-layered regulatory networks

More...
SignaLinki
P07247

<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:
Protein krueppel
<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:Kr
ORF Names:CG3340
<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>OrganismiDrosophila melanogaster (Fruit fly)
<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 identifieri7227 [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 lineageiEukaryotaMetazoaEcdysozoaArthropodaHexapodaInsectaPterygotaNeopteraHolometabolaDipteraBrachyceraMuscomorphaEphydroideaDrosophilidaeDrosophilaSophophora
<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
  • UP000000803 <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 2R

Organism-specific databases

Drosophila genome database

More...
FlyBasei
FBgn0001325 Kr

<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

Nucleus

<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_00000469921 – 502Protein krueppelAdd BLAST502

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 residuei468Phosphoserine1 Publication1
Modified residuei471Phosphoserine1 Publication1
Modified residuei477Phosphoserine1 Publication1

Keywords - PTMi

Phosphoprotein

Proteomic databases

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

More...
PaxDbi
P07247

PRoteomics IDEntifications database

More...
PRIDEi
P07247

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
P07247

<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
FBgn0001325 Expressed in arthropod fat body and 44 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
P07247 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
P07247 DM

<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
63578, 39 interactors

Protein interaction database and analysis system

More...
IntActi
P07247, 4 interactors

STRING: functional protein association networks

More...
STRINGi
7227.FBpp0305365

<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
P07247

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

<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

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri222 – 244C2H2-type 1PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri250 – 272C2H2-type 2PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri278 – 300C2H2-type 3PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri306 – 328C2H2-type 4PROSITE-ProRule annotationAdd BLAST23
Zinc fingeri334 – 354C2H2-type 5PROSITE-ProRule annotationAdd BLAST21

Keywords - Domaini

Repeat, Zinc-finger

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG1721 Eukaryota
COG5048 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
CLU_030522_1_0_1

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
P07247

KEGG Orthology (KO)

More...
KOi
K09231

Identification of Orthologs from Complete Genome Data

More...
OMAi
SDMPEQT

Database of Orthologous Groups

More...
OrthoDBi
1318335at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
P07247

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR036236 Znf_C2H2_sf
IPR013087 Znf_C2H2_type

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00096 zf-C2H2, 4 hits

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00355 ZnF_C2H2, 4 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF57667 SSF57667, 3 hits

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS00028 ZINC_FINGER_C2H2_1, 4 hits
PS50157 ZINC_FINGER_C2H2_2, 5 hits

<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.

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

P07247-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MSISMLQDAQ TRTLAAALAG IKQEDVHLDR SMSLSPPMSA NTSATSAAAI
60 70 80 90 100
YPAMGLQQAA AASAFGMLSP TQLLAANRQA AAFMAQLPMS TLANTLFPHN
110 120 130 140 150
PAALFGAWAA QQSLPPQGTH LHSPPASPHS PLSTPLGSGK HPLNSPNSTP
160 170 180 190 200
QHHEPAKKAR KLSVKKEFQT EISMSVNDMY HTSGGPISPP SSGSSPNSTH
210 220 230 240 250
DGAGGNAGCV GVSKDPSRDK SFTCKICSRS FGYKHVLQNH ERTHTGEKPF
260 270 280 290 300
ECPECHKRFT RDHHLKTHMR LHTGEKPYHC SHCDRQFVQV ANLRRHLRVH
310 320 330 340 350
TGERPYTCEI CDGKFSDSNQ LKSHMLVHNG EKPFECERCH MKFRRRHHLM
360 370 380 390 400
NHKCGIQSPP TPALSPAMSG DYPVAISAIA IEASTNRFAA MCATYGGSNE
410 420 430 440 450
SVDMEKATPE DDGPLDLSED GASSVDGHCS NIARRKAQDI RRVFRLPPPQ
460 470 480 490 500
IPHVPSDMPE QTEPEDLSMH SPRSIGSHEQ TDDIDLYDLD DAPASYMGHQ

QH
Length:502
Mass (Da):54,715
Last modified:August 30, 2005 - v2
<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:i67A94177A701D976
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
B5RIE4B5RIE4_DROME
FI01010p
Kr Dm-Kr, Dmel\CG3340, If, KR, kr
502Annotation score:

Annotation score:2 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>

<p>This subsection of the 'Sequence' section reports difference(s) between the protein sequence shown in the UniProtKB entry and other available protein sequences derived from the same gene.<p><a href='/help/sequence_caution' target='_top'>More...</a></p>Sequence cautioni

The sequence CAA27148 differs from that shown. Reason: Frameshift.Curated

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the 'Sequence' section reports difference(s) between the canonical sequence (displayed by default in the entry) and the different sequence submissions merged in the entry. These various submissions may originate from different sequencing projects, different types of experiments, or different biological samples. Sequence conflicts are usually of unknown origin.<p><a href='/help/conflict' target='_top'>More...</a></p>Sequence conflicti153 – 154HE → Q in AAL48902 (PubMed:12537569).Curated2
Sequence conflicti181 – 182HT → LS in CAA27148 (Ref. 1) Curated2
Sequence conflicti256H → D in CAA27148 (Ref. 1) Curated1
Sequence conflicti329N → T in CAA27148 (Ref. 1) Curated1
Sequence conflicti397G → S in CAA27148 (Ref. 1) Curated1
Sequence conflicti429C → Y (Ref. 1) Curated1

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
X03414 Genomic DNA Translation: CAA27148.1 Frameshift.
AE013599 Genomic DNA Translation: AAF47321.1
AY071280 mRNA Translation: AAL48902.1

Protein sequence database of the Protein Information Resource

More...
PIRi
A24566 TWFF

NCBI Reference Sequences

More...
RefSeqi
NP_001261181.1, NM_001274252.1
NP_523867.1, NM_079143.3

Genome annotation databases

Ensembl metazoan genome annotation project

More...
EnsemblMetazoai
FBtr0072449; FBpp0072351; FBgn0001325
FBtr0333162; FBpp0305365; FBgn0001325

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
38012

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
dme:Dmel_CG3340

<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
X03414 Genomic DNA Translation: CAA27148.1 Frameshift.
AE013599 Genomic DNA Translation: AAF47321.1
AY071280 mRNA Translation: AAL48902.1
PIRiA24566 TWFF
RefSeqiNP_001261181.1, NM_001274252.1
NP_523867.1, NM_079143.3

3D structure databases

SMRiP07247
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi63578, 39 interactors
IntActiP07247, 4 interactors
STRINGi7227.FBpp0305365

PTM databases

iPTMnetiP07247

Proteomic databases

PaxDbiP07247
PRIDEiP07247

Genome annotation databases

EnsemblMetazoaiFBtr0072449; FBpp0072351; FBgn0001325
FBtr0333162; FBpp0305365; FBgn0001325
GeneIDi38012
KEGGidme:Dmel_CG3340

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
38012
FlyBaseiFBgn0001325 Kr

Phylogenomic databases

eggNOGiKOG1721 Eukaryota
COG5048 LUCA
HOGENOMiCLU_030522_1_0_1
InParanoidiP07247
KOiK09231
OMAiSDMPEQT
OrthoDBi1318335at2759
PhylomeDBiP07247

Enzyme and pathway databases

SignaLinkiP07247

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...
BioGRID-ORCSi
38012 0 hits in 1 CRISPR screen

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

More...
GenomeRNAii
38012

Protein Ontology

More...
PROi
PR:P07247

Gene expression databases

BgeeiFBgn0001325 Expressed in arthropod fat body and 44 other tissues
ExpressionAtlasiP07247 baseline and differential
GenevisibleiP07247 DM

Family and domain databases

InterProiView protein in InterPro
IPR036236 Znf_C2H2_sf
IPR013087 Znf_C2H2_type
PfamiView protein in Pfam
PF00096 zf-C2H2, 4 hits
SMARTiView protein in SMART
SM00355 ZnF_C2H2, 4 hits
SUPFAMiSSF57667 SSF57667, 3 hits
PROSITEiView protein in PROSITE
PS00028 ZINC_FINGER_C2H2_1, 4 hits
PS50157 ZINC_FINGER_C2H2_2, 5 hits

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 nameiKRUP_DROME
<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: P07247
Secondary accession number(s): Q8SYW3, Q9W0V9
<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: April 1, 1988
Last sequence update: August 30, 2005
Last modified: June 17, 2020
This is version 191 of the entry and version 2 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 programDrosophila annotation project

<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. Drosophila
    Drosophila: entries, gene names and cross-references to FlyBase
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