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Entry version 92 (08 May 2019)
Sequence version 1 (24 Jul 2007)
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Protein

Otolin-1

Gene

OTOL1

Organism
Homo sapiens (Human)
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>
-Protein inferred from homologyi <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

Collagen-like protein specifically expressed in the inner ear, which provides an organic scaffold for otoconia, a calcium carbonate structure in the saccule and utricle of the ear. Acts as a scaffold for biomineralization: sequesters calcium and forms interconnecting fibrils between otoconia that are incorporated into the calcium crystal structure. Together with OC90, modulates calcite crystal morphology and growth kinetics.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

  • calcium ion binding Source: UniProtKB
  • extracellular matrix structural constituent Source: GO_Central

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

LigandCalcium, Metal-binding

<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:
Otolin-1Curated
<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:OTOL1Imported
<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>OrganismiHomo sapiens (Human)
<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 identifieri9606 [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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
<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
  • UP000005640 <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 3

Organism-specific databases

Human Gene Nomenclature Database

More...
HGNCi
HGNC:34071 OTOL1

neXtProt; the human protein knowledge platform

More...
neXtProti
NX_A6NHN0

<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

Extracellular matrix, Secreted

<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

Open Targets

More...
OpenTargetsi
ENSG00000182447

Polymorphism and mutation databases

BioMuta curated single-nucleotide variation and disease association database

More...
BioMutai
OTOL1

<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 – 23Sequence analysisAdd BLAST23
<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_000033221524 – 477Otolin-1Add BLAST454

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 residuei133HydroxyprolineBy similarity1
Modified residuei136HydroxyprolineBy similarity1
Modified residuei163HydroxyprolineBy similarity1
Modified residuei166HydroxyprolineBy similarity1
Modified residuei169HydroxyprolineBy similarity1
Modified residuei1785-hydroxylysineBy similarity1
<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>Glycosylationi178O-linked (Gal...) hydroxylysineBy similarity1
Glycosylationi202N-linked (GlcNAc...) asparagineSequence analysis1
Modified residuei223HydroxyprolineBy similarity1
Modified residuei283HydroxyprolineBy similarity1
Modified residuei301HydroxyprolineBy similarity1
Modified residuei3105-hydroxylysineBy similarity1
Glycosylationi310O-linked (Gal...) hydroxylysineBy similarity1
Glycosylationi381N-linked (GlcNAc...) asparagineSequence analysis1

Keywords - PTMi

Disulfide bond, Glycoprotein, Hydroxylation

Proteomic databases

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

More...
PaxDbi
A6NHN0

PRoteomics IDEntifications database

More...
PRIDEi
A6NHN0

ProteomicsDB human proteome resource

More...
ProteomicsDBi
1209

PTM databases

iPTMnet integrated resource for PTMs in systems biology context

More...
iPTMneti
A6NHN0

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

More...
PhosphoSitePlusi
A6NHN0

<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
ENSG00000182447 Expressed in 4 organ(s), highest expression level in amygdala

Organism-specific databases

Human Protein Atlas

More...
HPAi
HPA041030

<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_section">'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_section">'Function'</a> section).<p><a href='/help/subunit_structure' target='_top'>More...</a></p>Subunit structurei

Homooligomer; disulfide-linked; probably forms homotrimers. Interacts with OC90. Interacts with CBLN1.By similarity

Protein-protein interaction databases

Protein interaction database and analysis system

More...
IntActi
A6NHN0, 1 interactor

STRING: functional protein association networks

More...
STRINGi
9606.ENSP00000330808

<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
A6NHN0

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>Domaini116 – 175Collagen-like 1Add BLAST60
Domaini209 – 268Collagen-like 2Add BLAST60
Domaini278 – 337Collagen-like 3Add BLAST60
Domaini338 – 473C1qPROSITE-ProRule annotationAdd BLAST136

<p>This subsection of the ‘Family and domains’ section provides general information on the biological role of a domain. The term ‘domain’ is intended here in its wide acceptation, it may be a structural domain, a transmembrane region or a functional domain. Several domains are described in this subsection.<p><a href='/help/domain_cc' target='_top'>More...</a></p>Domaini

The C1q domain mediates calcium-binding.By similarity

<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

Belongs to the OTOL1 family.Curated

Keywords - Domaini

Collagen, Repeat, Signal

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG410IHRY Eukaryota
ENOG4110F6R LUCA

Ensembl GeneTree

More...
GeneTreei
ENSGT00940000155435

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000085653

InParanoid: Eukaryotic Ortholog Groups

More...
InParanoidi
A6NHN0

Identification of Orthologs from Complete Genome Data

More...
OMAi
KTTPYTK

Database of Orthologous Groups

More...
OrthoDBi
1258047at2759

Database for complete collections of gene phylogenies

More...
PhylomeDBi
A6NHN0

TreeFam database of animal gene trees

More...
TreeFami
TF334029

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
2.60.120.40, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR001073 C1q_dom
IPR008160 Collagen
IPR008983 Tumour_necrosis_fac-like_dom

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00386 C1q, 1 hit
PF01391 Collagen, 4 hits

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00007 COMPLEMNTC1Q

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00110 C1Q, 1 hit

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF49842 SSF49842, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS50871 C1Q, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>.<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.

A6NHN0-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MWMFSWLCAI LIILAIAGMN TIAKTTPHTK FTKKSEEREM PKGLKPSSGP
60 70 80 90 100
PPEEEETLFT EMAEMAEPIT KPSALDSVFG TATLSPFENF TLDPADFFLN
110 120 130 140 150
CCDCCSPVPG QKGEPGETGQ PGPKGEAGNL GIPGPPGVVG PQGPRGYKGE
160 170 180 190 200
KGLKGERGDQ GVPGYPGKPG AQGEPGPKGD KGNIGLGGVK GQKGSKGDTC
210 220 230 240 250
GNCTKGEKGD QGAMGSPGLH GGPGAKGEKG EMGEKGEMGD KGCCGDSGER
260 270 280 290 300
GGKGQKGEGG MKGEKGSKGD SGMEGKSGRN GLPGAKGDPG IKGEKGELGP
310 320 330 340 350
PGLLGPTGPK GDIGNKGVRG PTGKKGSRGF KGSKGELARV PRSAFSAGLS
360 370 380 390 400
KPFPPPNIPI KFEKILYNDQ GNYSPVTGKF NCSIPGTYVF SYHITVRGRP
410 420 430 440 450
ARISLVAQNK KQFKSRETLY GQEIDQASLL VILKLSAGDQ VWLEVSKDWN
460 470
GVYVSAEDDS IFTGFLLYPE ETSGISP
Length:477
Mass (Da):49,422
Last modified:July 24, 2007 - 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:iE4C870FA60584762
GO

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_042975470E → A. Corresponds to variant dbSNP:rs3921595Ensembl.1

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
AC104471 Genomic DNA No translation available.

The Consensus CDS (CCDS) project

More...
CCDSi
CCDS46948.1

NCBI Reference Sequences

More...
RefSeqi
NP_001073909.1, NM_001080440.1

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...
Ensembli
ENST00000327928; ENSP00000330808; ENSG00000182447

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
131149

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
hsa:131149

UCSC genome browser

More...
UCSCi
uc011bpb.2 human

Keywords - Coding sequence diversityi

Polymorphism

<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
AC104471 Genomic DNA No translation available.
CCDSiCCDS46948.1
RefSeqiNP_001073909.1, NM_001080440.1

3D structure databases

SMRiA6NHN0
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

IntActiA6NHN0, 1 interactor
STRINGi9606.ENSP00000330808

PTM databases

iPTMnetiA6NHN0
PhosphoSitePlusiA6NHN0

Polymorphism and mutation databases

BioMutaiOTOL1

Proteomic databases

PaxDbiA6NHN0
PRIDEiA6NHN0
ProteomicsDBi1209

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsembliENST00000327928; ENSP00000330808; ENSG00000182447
GeneIDi131149
KEGGihsa:131149
UCSCiuc011bpb.2 human

Organism-specific databases

Comparative Toxicogenomics Database

More...
CTDi
131149

GeneCards: human genes, protein and diseases

More...
GeneCardsi
OTOL1
HGNCiHGNC:34071 OTOL1
HPAiHPA041030
neXtProtiNX_A6NHN0
OpenTargetsiENSG00000182447

GenAtlas: human gene database

More...
GenAtlasi
Search...

Phylogenomic databases

eggNOGiENOG410IHRY Eukaryota
ENOG4110F6R LUCA
GeneTreeiENSGT00940000155435
HOGENOMiHOG000085653
InParanoidiA6NHN0
OMAiKTTPYTK
OrthoDBi1258047at2759
PhylomeDBiA6NHN0
TreeFamiTF334029

Miscellaneous databases

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

More...
GenomeRNAii
131149

Protein Ontology

More...
PROi
PR:A6NHN0

Gene expression databases

BgeeiENSG00000182447 Expressed in 4 organ(s), highest expression level in amygdala

Family and domain databases

Gene3Di2.60.120.40, 1 hit
InterProiView protein in InterPro
IPR001073 C1q_dom
IPR008160 Collagen
IPR008983 Tumour_necrosis_fac-like_dom
PfamiView protein in Pfam
PF00386 C1q, 1 hit
PF01391 Collagen, 4 hits
PRINTSiPR00007 COMPLEMNTC1Q
SMARTiView protein in SMART
SM00110 C1Q, 1 hit
SUPFAMiSSF49842 SSF49842, 1 hit
PROSITEiView protein in PROSITE
PS50871 C1Q, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiOTOL1_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: A6NHN0
<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: April 29, 2008
Last sequence update: July 24, 2007
Last modified: May 8, 2019
This is version 92 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
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

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families
  2. Human chromosome 3
    Human chromosome 3: entries, gene names and cross-references to MIM
  3. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  4. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
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