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Entry version 75 (02 Dec 2020)
Sequence version 1 (30 Aug 2005)
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Protein

Chloride channel protein

Gene

CLCN4

Organism
Homo sapiens (Human)
Status
Unreviewed-Annotation 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>
-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

<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

<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

Biological processIon transportUniRule annotation, Transport
LigandChlorideUniRule annotationARBA annotation

<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:
Chloride channel proteinUniRule annotation
<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:CLCN4Imported
<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)Imported
<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 lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo

<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

Topology

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/subcellular%5Flocation%5Fsection">'Subcellular location'</a> section describes the extent of a membrane-spanning region of the protein. It denotes the presence of both alpha-helical transmembrane regions and the membrane spanning regions of beta-barrel transmembrane proteins.<p><a href='/help/transmem' target='_top'>More...</a></p>Transmembranei68 – 92HelicalUniRule annotationAdd BLAST25
Transmembranei153 – 178HelicalUniRule annotationAdd BLAST26
Transmembranei198 – 219HelicalUniRule annotationAdd BLAST22
Transmembranei226 – 243HelicalUniRule annotationAdd BLAST18
Transmembranei255 – 279HelicalUniRule annotationAdd BLAST25
Transmembranei332 – 356HelicalUniRule annotationAdd BLAST25
Transmembranei368 – 385HelicalUniRule annotationAdd BLAST18
Transmembranei441 – 461HelicalUniRule annotationAdd BLAST21
Transmembranei468 – 487HelicalUniRule annotationAdd BLAST20
Transmembranei515 – 540HelicalUniRule annotationAdd BLAST26

Keywords - Cellular componenti

Membrane

<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%5Fand%5Fdomains%5Fsection">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>Domaini600 – 666CBSInterPro annotationAdd BLAST67
Domaini697 – 755CBSInterPro annotationAdd BLAST59

<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 chloride channel (TC 2.A.49) family. [View classification]UniRule annotation

Keywords - Domaini

CBS domainPROSITE-ProRule annotationARBA annotation, Transmembrane, Transmembrane helixUniRule annotationARBA annotation

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
1.10.3080.10, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR000644, CBS_dom
IPR014743, Cl-channel_core
IPR001807, Cl-channel_volt-gated
IPR002246, Cl_channel-4

The PANTHER Classification System

More...
PANTHERi
PTHR45711:SF2, PTHR45711:SF2, 1 hit

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF00571, CBS, 2 hits
PF00654, Voltage_CLC, 1 hit

Protein Motif fingerprint database; a protein domain database

More...
PRINTSi
PR00762, CLCHANNEL
PR01115, CLCHANNEL4

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00116, CBS, 2 hits

Superfamily database of structural and functional annotation

More...
SUPFAMi
SSF81340, SSF81340, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51371, CBS, 2 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>Sequencei

<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.

Q4G0X3-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MVNAGAMSGS GNLMDFLDEP FPDVGTYEDF HTIDWLREKS RDTDRHRKIT
60 70 80 90 100
SKSKESIWEF IKSLLDAWSG WVVMLLIGLL AGTLAGVIDL AVDWMTDLKE
110 120 130 140 150
GVCLSAFWYS HEQCCWTSNE TTFEDRDKCP LWQKWSELLV NQSEGASAYI
160 170 180 190 200
LNYLMYILWA LLFAFLAVSL VRVFAPYACG SGIPEIKTIL SGFIIRGYLG
210 220 230 240 250
KWTLLIKTVT LVLVVSYGLS LGKEGPLVHV ACCCGNFFSS LFSKYSKNEG
260 270 280 290 300
KRREVLSAAA AAGVSVAFGA PIGGVLFSLE EVSYYFPLKT LWRSFFAALV
310 320 330 340 350
AAFTLRSINP FGNSRLVLFY VEYHTPWYMA ELFPFILLGV FGGLWGTLFI
360 370 380 390 400
RCNIAWCRRR KTTRLGKYPV LEVIVVTAIT AIIAYPNPYT RQSTSELISE
410 420 430 440 450
LFNDCGALES SQLCDYINDP NMTRPVDDIP DRPAGVGVYT AMWQLALALI
460 470 480 490 500
FKIVVTIFTF GMKIPSGLFI PSMAVGAIAG RMVGIGVEQL AYHHHDWIIF
510 520 530 540 550
RNWCRPGADC VTPGLYAMVG AAACLGGVTR MTVSLVVIMF ELTGGLEYIV
560 570 580 590 600
PLMAAAVTSK WVADAFGKEG IYEAHIHLNG YPFLDVKDEF THRTLATDVM
610 620 630 640 650
RPRRGEPPLS VLTQDSMTVE DVETLIKETD YNGFPVVVSR DSERLIGFAQ
660 670 680 690 700
RRELILAIKN ARQRQEGIVS NSIMYFTEEP PELPANSPHP LKLRRILNLS
710 720 730 740 750
PFTVTDHTPM ETVVDIFRKL GLRQCLVTRS GRLLGIITKK DVLRHMAQMA
760
NQDPESIMFN
Length:760
Mass (Da):84,993
Last modified:August 30, 2005 - 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:i28F843351EF3F214
GO

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
BC036068 mRNA Translation: AAH36068.1

<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
BC036068 mRNA Translation: AAH36068.1

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Miscellaneous databases

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

More...
ChiTaRSi
CLCN4, human

Family and domain databases

Gene3Di1.10.3080.10, 1 hit
InterProiView protein in InterPro
IPR000644, CBS_dom
IPR014743, Cl-channel_core
IPR001807, Cl-channel_volt-gated
IPR002246, Cl_channel-4
PANTHERiPTHR45711:SF2, PTHR45711:SF2, 1 hit
PfamiView protein in Pfam
PF00571, CBS, 2 hits
PF00654, Voltage_CLC, 1 hit
PRINTSiPR00762, CLCHANNEL
PR01115, CLCHANNEL4
SMARTiView protein in SMART
SM00116, CBS, 2 hits
SUPFAMiSSF81340, SSF81340, 1 hit
PROSITEiView protein in PROSITE
PS51371, CBS, 2 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 nameiQ4G0X3_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: Q4G0X3
<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/TrEMBL: August 30, 2005
Last sequence update: August 30, 2005
Last modified: December 2, 2020
This is version 75 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 statusiUnreviewed (UniProtKB/TrEMBL)
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.
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