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Protein

Keratocan

Gene

Kera

Organism
Mus musculus (Mouse)
Status
Reviewed-Annotation 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>
-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

May be important in developing and maintaining corneal transparency and for the structure of the stromal matrix.

<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 - Biological processi

  • cornea development in camera-type eye Source: MGI

Enzyme and pathway databases

Reactome - a knowledgebase of biological pathways and processes

More...
Reactomei
R-MMU-2022854 Keratan sulfate biosynthesis
R-MMU-2022857 Keratan sulfate degradation

<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:
Keratocan
Short name:
KTN
Alternative name(s):
Keratan sulfate proteoglycan keratocan
<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:Kera
Synonyms:Ktcn
<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>OrganismiMus musculus (Mouse)
<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 identifieri10090 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresGliresRodentiaMyomorphaMuroideaMuridaeMurinaeMusMus
<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
  • UP000000589 <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 10

Organism-specific databases

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

More...
MGIi
MGI:1202398 Kera

<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; Source: COMPARTMENTS

<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>Keywords - Cellular componenti

Extracellular matrix, 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 – 20Sequence analysisAdd BLAST20
<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_000003274921 – 351KeratocanAdd BLAST331

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<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 bondi43 ↔ 49By similarity
Disulfide bondi47 ↔ 59By similarity
<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">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>Glycosylationi94N-linked (GlcNAc...) (keratan sulfate) asparagineBy similarity1
Glycosylationi168N-linked (GlcNAc...) (keratan sulfate) asparagineBy similarity1
Glycosylationi223N-linked (GlcNAc...) asparagineSequence analysis1
Glycosylationi299N-linked (GlcNAc...) asparagineSequence analysis1
Disulfide bondi304 ↔ 342By similarity

<p>This subsection of the <a href="http://www.uniprot.org/help/ptm_processing_section">PTM/processing</a> section describes post-translational modifications (PTMs). This subsection <strong>complements</strong> the information provided at the sequence level or describes modifications for which <strong>position-specific data is not yet available</strong>.<p><a href='/help/post-translational_modification' target='_top'>More...</a></p>Post-translational modificationi

Binds keratan sulfate chains.

Keywords - PTMi

Disulfide bond, Glycoprotein, Proteoglycan

Proteomic databases

MaxQB - The MaxQuant DataBase

More...
MaxQBi
O35367

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

More...
PaxDbi
O35367

PRoteomics IDEntifications database

More...
PRIDEi
O35367

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
O35367

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

More...
PhosphoSitePlusi
O35367

<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

<p>This subsection of the ‘Expression’ section provides information on the expression of a gene at the mRNA or protein level in cells or in tissues of multicellular organisms. By default, the information is derived from experiments at the mRNA level, unless specified ‘at protein level’. <br></br>Examples: <a href="http://www.uniprot.org/uniprot/P92958#expression">P92958</a>, <a href="http://www.uniprot.org/uniprot/Q8TDN4#expression">Q8TDN4</a>, <a href="http://www.uniprot.org/uniprot/O14734#expression">O14734</a><p><a href='/help/tissue_specificity' target='_top'>More...</a></p>Tissue specificityi

Selectively expressed in cornea of adult where it is detected in keratocytes but not in scleral cells. In embryo, first detected in periocular mesenchymal cells migrating toward developing cornea on E13.5; expression gradually restricted to corneal stromal cells on E14.5 to E18.5. Detected in scleral cells of E15.5 but not in E18.5 embryos.

Gene expression databases

Bgee dataBase for Gene Expression Evolution

More...
Bgeei
ENSMUSG00000019932 Expressed in 109 organ(s), highest expression level in cornea

CleanEx database of gene expression profiles

More...
CleanExi
MM_KERA

ExpressionAtlas, Differential and Baseline Expression

More...
ExpressionAtlasi
O35367 baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...
Genevisiblei
O35367 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

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
10090.ENSMUSP00000100923

<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

Protein Model Portal of the PSI-Nature Structural Biology Knowledgebase

More...
ProteinModelPortali
O35367

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

More...
SMRi
O35367

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>Domaini34 – 72LRRNTAdd BLAST39
<p>This subsection of the ‘Family and Domains’ section indicates the positions and types of repeated sequence motifs or repeated domains within the protein.<p><a href='/help/repeat' target='_top'>More...</a></p>Repeati73 – 94LRR 1Add BLAST22
Repeati97 – 118LRR 2Add BLAST22
Repeati123 – 143LRR 3Add BLAST21
Repeati144 – 165LRR 4Add BLAST22
Repeati168 – 181LRR 5Add BLAST14
Repeati194 – 214LRR 6Add BLAST21
Repeati215 – 236LRR 7Add BLAST22
Repeati239 – 259LRR 8Add BLAST21
Repeati264 – 283LRR 9Add BLAST20
Repeati284 – 305LRR 10Add BLAST22

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Keywords - Domaini

Leucine-rich repeat, Repeat, Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
KOG0619 Eukaryota
COG4886 LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000158968

The HOVERGEN Database of Homologous Vertebrate Genes

More...
HOVERGENi
HBG108061

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
O35367

KEGG Orthology (KO)

More...
KOi
K08123

Identification of Orthologs from Complete Genome Data

More...
OMAi
IKPPIPM

Database of Orthologous Groups

More...
OrthoDBi
826997at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
O35367

TreeFam database of animal gene trees

More...
TreeFami
TF334562

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.80.10.10, 2 hits

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001611 Leu-rich_rpt
IPR003591 Leu-rich_rpt_typical-subtyp
IPR032675 LRR_dom_sf
IPR000372 LRRNT

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF13516 LRR_6, 1 hit
PF13855 LRR_8, 2 hits
PF01462 LRRNT, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00369 LRR_TYP, 6 hits
SM00013 LRRNT, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51450 LRR, 10 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_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<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.

<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 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.

O35367-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MATPNCLILW VLLIADTVWT QSVRQAYEIQ DPEDWDVHDD FYCPRECFCP
60 70 80 90 100
PSFPTALYCE NRGLTEIPPI PSRIWYLYLE NNLIESIPEK PFENATQLRW
110 120 130 140 150
INLNKNKITN YGIEKGALSQ LKKLLFLFLE DNELEEVPSP LPRSLEQLQL
160 170 180 190 200
ARNKVSRIPQ GTFSNLENLT LLDLQHNKLL DNAFQRDTFK GLKNLMQLNM
210 220 230 240 250
AKNALRNMPP RLPANTMQLF LDNNSIEGIP ENYFNVIPKV AFLRLNHNKL
260 270 280 290 300
SDAGLPSRGF DVSSILDLQL SYNQLTNFPR INANLQHLHL DHNKIKNVNM
310 320 330 340 350
SVICPTTLRA EQDAFIHGPQ LSYLRLDGNE IKPPIPIDLV ACFKLLQAFI

I
Length:351
Mass (Da):40,404
Last modified:January 1, 1998 - 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:iB0632B387864B98D
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

More...
EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AF022256 mRNA Translation: AAC15505.1
AF057301 Genomic DNA Translation: AAC61257.1

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS36044.1

NCBI Reference Sequences

More...
RefSeqi
NP_032464.1, NM_008438.3
XP_006513336.1, XM_006513273.3

UniGene gene-oriented nucleotide sequence clusters

More...
UniGenei
Mm.6228

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENSMUST00000105286; ENSMUSP00000100923; ENSMUSG00000019932

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
16545

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
mmu:16545

UCSC genome browser

More...
UCSCi
uc007gxa.1 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
AF022256 mRNA Translation: AAC15505.1
AF057301 Genomic DNA Translation: AAC61257.1
CCDSiCCDS36044.1
RefSeqiNP_032464.1, NM_008438.3
XP_006513336.1, XM_006513273.3
UniGeneiMm.6228

3D structure databases

ProteinModelPortaliO35367
SMRiO35367
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi10090.ENSMUSP00000100923

PTM databases

iPTMnetiO35367
PhosphoSitePlusiO35367

Proteomic databases

MaxQBiO35367
PaxDbiO35367
PRIDEiO35367

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENSMUST00000105286; ENSMUSP00000100923; ENSMUSG00000019932
GeneIDi16545
KEGGimmu:16545
UCSCiuc007gxa.1 mouse

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
11081
MGIiMGI:1202398 Kera

Phylogenomic databases

eggNOGiKOG0619 Eukaryota
COG4886 LUCA
GeneTreeiENSGT00940000158968
HOVERGENiHBG108061
InParanoidiO35367
KOiK08123
OMAiIKPPIPM
OrthoDBi826997at2759
PhylomeDBiO35367
TreeFamiTF334562

Enzyme and pathway databases

ReactomeiR-MMU-2022854 Keratan sulfate biosynthesis
R-MMU-2022857 Keratan sulfate degradation

Miscellaneous databases

Protein Ontology

More...
PROi
PR:O35367

The Stanford Online Universal Resource for Clones and ESTs

More...
SOURCEi
Search...

Gene expression databases

BgeeiENSMUSG00000019932 Expressed in 109 organ(s), highest expression level in cornea
CleanExiMM_KERA
ExpressionAtlasiO35367 baseline and differential
GenevisibleiO35367 MM

Family and domain databases

Gene3Di3.80.10.10, 2 hits
InterProiView protein in InterPro
IPR001611 Leu-rich_rpt
IPR003591 Leu-rich_rpt_typical-subtyp
IPR032675 LRR_dom_sf
IPR000372 LRRNT
PfamiView protein in Pfam
PF13516 LRR_6, 1 hit
PF13855 LRR_8, 2 hits
PF01462 LRRNT, 1 hit
SMARTiView protein in SMART
SM00369 LRR_TYP, 6 hits
SM00013 LRRNT, 1 hit
PROSITEiView protein in PROSITE
PS51450 LRR, 10 hits

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 nameiKERA_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: O35367
<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: February 11, 2002
Last sequence update: January 1, 1998
Last modified: January 16, 2019
This is version 139 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
  2. MGD cross-references
    Mouse Genome Database (MGD) cross-references in UniProtKB/Swiss-Prot
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