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UniProtKB/Swiss-Prot entry Q7ZWK8


[Entry info] [Name and origin] [References] [Comments] [Cross-references] [Keywords] [Features] [Sequence] [Tools]

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Entry information
Entry name OTOP1_DANRE
Primary accession number Q7ZWK8
Secondary accession numbers Q5MKL8 Q5XJ61
Integrated into Swiss-Prot on January 15, 2008
Sequence was last modified on January 15, 2008 (Sequence version 2)
Annotations were last modified on    June 10, 2008 (Entry version 20)
Name and origin of the protein
Protein name Otopetrin-1
Synonyms None
Gene name
Name: otop1
From
Danio rerio (Zebrafish) (Brachydanio rerio) [TaxID: 7955] 
Taxonomy Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Actinopterygii; Neopterygii; Teleostei; Ostariophysi; Cypriniformes; Cyprinidae; Danio.
Protein existence 1: Evidence at protein level;
References
[1]
NUCLEOTIDE SEQUENCE [MRNA].
TISSUE=Embryo;
DOI=10.1093/hmg/ddg087; PubMed=12651873 [NCBI, ExPASy, EBI, Israel, Japan]
Hurle B., Ignatova E., Massironi S.M., Mashimo T., Rios X., Thalmann I., Thalmann R., Ornitz D.M.;
"Non-syndromic vestibular disorder with otoconial agenesis in tilted/mergulhador mice caused by mutations in otopetrin 1.";
Hum. Mol. Genet. 12:777-789(2003).
[2]
NUCLEOTIDE SEQUENCE [MRNA], FUNCTION, DEVELOPMENTAL STAGE, SUBCELLULAR LOCATION, AND CHARACTERIZATION OF MUTANT VAL-429.
DOI=10.1007/s00427-004-0440-2; PubMed=15480759 [NCBI, ExPASy, EBI, Israel, Japan]
Soellner C., Schwarz H., Geisler R., Nicolson T.;
"Mutated otopetrin 1 affects the genesis of otoliths and the localization of Starmaker in zebrafish.";
Dev. Genes Evol. 214:582-590(2004).
[3]
NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
TISSUE=Larva;
NIH - Zebrafish Gene Collection (ZGC) project;
Submitted (OCT-2004) to the EMBL/GenBank/DDBJ databases.
[4]
FUNCTION, DISEASE, AND DEVELOPMENTAL STAGE.
DOI=10.1016/j.ydbio.2004.09.001; PubMed=15581873 [NCBI, ExPASy, EBI, Israel, Japan]
Hughes I., Blasiole B., Huss D., Warchol M.E., Rath N.P., Hurle B., Ignatova E., Dickman J.D., Thalmann R., Levenson R., Ornitz D.M.;
"Otopetrin 1 is required for otolith formation in the zebrafish Danio rerio.";
Dev. Biol. 276:391-402(2004).
Comments
  • FUNCTION: Inhibits P2Y purinoceptors. Modulates calcium homeostasis and influx of calcium in response to extracellular ATP (By similarity). Essential for the formation of otoliths in the inner ear of developing larvae and for the perception of gravity and acceleration.
  • SUBCELLULAR LOCATION: Membrane; Multi-pass membrane protein. Secreted, extracellular space (By similarity).
  • DEVELOPMENTAL STAGE: First detected in the otic placode at 16.5 hours post-fertilization (hpf). Detected in the developing inner ear sensory epithelium at 24 hpf. Detected in hair cells of the sensory epithelium at 4 days post-fertilization (dpf). At 5 dpf, levels are much reduced in the otolith organs, and not detectable at 7 dpf. Detected in neuromasts and in the lateral line system at 5 dpf and 7 dpf.
  • MISCELLANEOUS: Fishes lacking otop1 display the backstroke phenotype. Mutant fish exhibit otolith agenesis without additional effects on the sensory epithelium or other inner ear structures. Otoliths are essential for the perception of gravity and acceleration. Larvae without otoliths are unable to orient dorsal side up and rest mostly on their side in contact with the ground.
  • MISCELLANEOUS: Otoliths are structures composed of proteins and calcium carbonate that are found in the fish inner ear in contact with the otic epithelium. They are essential for the perception of gravity and acceleration.
  • SIMILARITY: Belongs to the otopetrin family.
  • WEB RESOURCE: Name=Protein Spotlight; Note=Ear of stone - Issue 89 of December 2007; URL="http://www.expasy.org/spotlight/back_issues/sptlt089.shtml";.
Copyright
Copyrighted by the UniProt Consortium, see http://www.uniprot.org/terms. Distributed under the Creative Commons Attribution-NoDerivs License.
Cross-references
Sequence databases
EMBL
AY170648; AAN62756.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
AY744157; AAV91780.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
BC083445; AAH83445.1; -; mRNA.[EMBL / GenBank / DDBJ] [CoDingSequence]
RefSeq NP_942098.1; -.
UniGene Dr.77257
3D structure databases
ModBase Q7ZWK8.
Organism-specific databases
ZFIN ZDB-GENE-030131-1613; otop1.
Family and domain databases
InterPro IPR004878; DUF270.
Graphical view of domain structure.
PANTHER PTHR21522; DUF270; 1.
BLOCKS Q7ZWK8.
Genome annotation databases
Ensembl ENSDARG00000021566; Danio rerio. [Contig view]
GeneID 322893; -.
KEGG dre:322893; -.
Phylogenomic databases
HOVERGEN Q7ZWK8; -.
Other
ProtoNet Q7ZWK8.
UniRef View cluster of proteins with at least 50% / 90% / 100% identity.
Keywords
Biomineralization; Membrane; Secreted; Transmembrane.
Features
SEVIEWER logo Feature table viewer FT aligner logo Feature aligner
KeyFrom   To Length Description FTId
CHAIN   1   586  586     Otopetrin-1. PRO_0000313819
TRANSMEM   54    74  21     Potential. 
TRANSMEM   86   106  21     Potential. 
TRANSMEM   124   144  21     Potential. 
TRANSMEM   146   166  21     Potential. 
TRANSMEM   195   215  21     Potential. 
TRANSMEM   260   280  21     Potential. 
TRANSMEM   303   323  21     Potential. 
TRANSMEM   342   362  21     Potential. 
TRANSMEM   519   539  21     Potential. 
TRANSMEM   551   571  21     Potential. 
MUTAGEN   429   429        E->V: In backstroke; causes otholith agenesis. 
CONFLICT   171   171        T -> A (in Ref. 3; AAH83445). 
CONFLICT   251   252        CS -> WL (in Ref. 1; AAN62756). 
CONFLICT   300   300        S -> T (in Ref. 3; AAH83445). 
Sequence information
Length: 586 AA [This is the length of the unprocessed precursor] Molecular weight: 65721 Da [This is the MW of the unprocessed precursor] CRC64: 000ED7A4E690831E [This is a checksum on the sequence]
        10         20         30         40         50         60 
MVEHGGTDSM WLNKYNPAAA SSASSSSSSD AENKLFSRLK VSLTKKYPQK NAELLSAQYG 

        70         80         90        100        110        120 
TNLLLLGVSV MLALAAQSGP VKEEHLLSFI TVLMLVQLVW MLCYMIRRER ERSPVPERDA 

       130        140        150        160        170        180 
HAGASWIRGG LTMLALLSLI MDAFRIGYFV GYHSCISAAL GVYPIVHALH TISQVHFLWF 

       190        200        210        220        230        240 
HIKDVIKKYE TFERFGVIHA VFTNLLLWCN GVMSETEHFM HNHRRRLIEM GYANLSTVDV 

       250        260        270        280        290        300 
QPHCNCTTSV CSMFSTSLYY LYPFNIEYHI FVSAMLFVMW KNIGRTLDRH SNRKRRSTGS 

       310        320        330        340        350        360 
TGLLLGPLGG LVALASSVSV LVVYLIHLEK TEEMHEAAVS MFYYYGVAMM ACMCVGSGTG 

       370        380        390        400        410        420 
LLVYRMENRP MDTGSNPART LDTELLLASS LGSWLMSWCS VVASVAEAGQ KSPSFSWTSL 

       430        440        450        460        470        480 
TYSLLLVLEK CIQNLFIVES LYRRHSEEEE DAAAPQVFSV AVPPYDGILN HGYEAHDKHR 

       490        500        510        520        530        540 
EAEPAAGSHA LSRKQPDAPL PAGQRLDVTP GRKRQILKNI CMFLFMCNIS LWILPAFGCR 

       550        560        570        580 
PQYDNPLENE TFGTSVWTTV LNVAIPLNLF YRMHSVASLF EVFRKV 

Q7ZWK8 in FASTA format

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