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UniProtKB - Q8NHS1 (CLDN2_HUMAN)

Entry version 122 (23 Feb 2022)
Sequence version 1 (01 Oct 2002)
Previous versions | rss
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Protein

Claudin domain-containing protein 2

Gene

CLDND2

Organism
Homo sapiens (Human)
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

Enzyme and pathway databases

Pathway Commons web resource for biological pathway data

More...PathwayCommonsi		Q8NHS1

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

More...SignaLinki		Q8NHS1

<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:
Claudin domain-containing protein 2
<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:CLDND2
<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)
<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 lineageiEukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo
<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
  • UP000005640 <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 19

Organism-specific databases

Human Gene Nomenclature Database

More...HGNCi		HGNC:28511, CLDND2

neXtProt; the human protein knowledge platform

More...neXtProti		NX_Q8NHS1

Eukaryotic Pathogen, Vector and Host Database Resources

More...VEuPathDBi		HostDB:ENSG00000160318

<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>Transmembranei7 – 27HelicalSequence analysisAdd BLAST21
Transmembranei59 – 79HelicalSequence analysisAdd BLAST21
Transmembranei96 – 116HelicalSequence analysisAdd BLAST21
Transmembranei134 – 154HelicalSequence analysisAdd BLAST21

<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

Membrane

<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		ENSG00000160318

The Pharmacogenetics and Pharmacogenomics Knowledge Base

More...PharmGKBi		PA144596447

Miscellaneous databases

Pharos NIH Druggable Genome Knowledgebase

More...Pharosi		Q8NHS1, Tdark

Genetic variation databases

BioMuta curated single-nucleotide variation and disease association database

More...BioMutai		CLDND2

Domain mapping of disease mutations (DMDM)

More...DMDMi		74760361

<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_00002710201 – 167Claudin domain-containing protein 2Add BLAST167

Proteomic databases

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

More...PaxDbi		Q8NHS1

PeptideAtlas

More...PeptideAtlasi		Q8NHS1

PRoteomics IDEntifications database

More...PRIDEi		Q8NHS1

PTM databases

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

More...PhosphoSitePlusi		Q8NHS1

<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		ENSG00000160318, Expressed in left testis and 120 other tissues

ExpressionAtlas, Differential and Baseline Expression

More...ExpressionAtlasi		Q8NHS1, baseline and differential

Genevisible search portal to normalized and curated expression data from Genevestigator

More...Genevisiblei		Q8NHS1, HS

Organism-specific databases

Human Protein Atlas

More...HPAi		ENSG00000160318, Tissue enhanced (testis)

<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%5Fsection">Interaction</a>' section provides information about binary protein-protein interactions. The data presented in this section are a quality-filtered subset of binary interactions automatically derived from the <a href="https://www.ebi.ac.uk/intact/">IntAct database</a>. It is updated at every <a href="http://www.uniprot.org/help/synchronization">UniProt release</a>.<p><a href='/help/binary_interactions' target='_top'>More...</a></p>Binary interactionsi

Hide details

Protein-protein interaction databases

The Biological General Repository for Interaction Datasets (BioGRID)

More...BioGRIDi		125932, 28 interactors

Protein interaction database and analysis system

More...IntActi		Q8NHS1, 25 interactors

STRING: functional protein association networks

More...STRINGi		9606.ENSP00000291715

Miscellaneous databases

RNAct, Protein-RNA interaction predictions for model organisms.

More...RNActi		Q8NHS1, protein

<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		Q8NHS1

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

Belongs to the PMP-22/EMP/MP20 family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...eggNOGi		ENOG502SPH8, Eukaryota

Ensembl GeneTree

More...GeneTreei		ENSGT01040000240490

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...HOGENOMi		CLU_136294_0_0_1

InParanoid: Eukaryotic Ortholog Groups

More...InParanoidi		Q8NHS1

Identification of Orthologs from Complete Genome Data

More...OMAi		RILCQEG

Database of Orthologous Groups

More...OrthoDBi		1579117at2759

Database for complete collections of gene phylogenies

More...PhylomeDBi		Q8NHS1

TreeFam database of animal gene trees

More...TreeFami		TF330587

Family and domain databases

Integrated resource of protein families, domains and functional sites

More...InterProi		View protein in InterPro
IPR004031, PMP22/EMP/MP20/Claudin
IPR004032, PMP22_EMP_MP20

Pfam protein domain database

More...Pfami		View protein in Pfam
PF00822, PMP22_Claudin, 1 hit

PROSITE; a protein domain and family database

More...PROSITEi		View protein in PROSITE
PS01221, PMP22_1, 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%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

Q8NHS1-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MGVKRSLQSG GILLSLVANV LMVLSTATNY WTRQQEGHSG LWQECNHGIC 
        60         70         80         90        100
SSIPCQTTLA VTVACMVLAV GVGVVGMVMG LRIRCDEGES LRGQTTSAFL 
       110        120        130        140        150
FLGGLLLLTA LIGYTVKNAW KNNVFFSWSY FSGWLALPFS ILAGFCFLLA 
       160 
DMIMQSTDAI SGFPVCL
Length:167
Mass (Da):17,984
Last modified:October 1, 2002 - 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:iE204F0B6366C22F2
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
M0R1J6M0R1J6_HUMAN
Claudin domain-containing protein 2
CLDND2
109Annotation 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>

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
BC029518 mRNA Translation: AAH29518.1

The Consensus CDS (CCDS) project

More...CCDSi		CCDS12829.1

NCBI Reference Sequences

More...RefSeqi		NP_689566.1, NM_152353.2

Genome annotation databases

Ensembl eukaryotic genome annotation project

More...Ensembli		ENST00000291715; ENSP00000291715; ENSG00000160318
ENST00000601435; ENSP00000472077; ENSG00000160318

Database of genes from NCBI RefSeq genomes

More...GeneIDi		125875

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...KEGGi		hsa:125875

Matched Annotation from NCBI and EMBL-EBI (MANE) - Phase one

More...MANE-Selecti		ENST00000291715.5; ENSP00000291715.1; NM_152353.3; NP_689566.1

UCSC genome browser

More...UCSCi		uc002pwi.1, human

<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
BC029518 mRNA Translation: AAH29518.1
CCDSiCCDS12829.1
RefSeqiNP_689566.1, NM_152353.2

3D structure databases

SMRiQ8NHS1
ModBaseiSearch...

Protein-protein interaction databases

BioGRIDi125932, 28 interactors
IntActiQ8NHS1, 25 interactors
STRINGi9606.ENSP00000291715

PTM databases

PhosphoSitePlusiQ8NHS1

Genetic variation databases

BioMutaiCLDND2
DMDMi74760361

Proteomic databases

PaxDbiQ8NHS1
PeptideAtlasiQ8NHS1
PRIDEiQ8NHS1

Protocols and materials databases

Antibodypedia a portal for validated antibodies

More...Antibodypediai		32471, 50 antibodies from 13 providers

The DNASU plasmid repository

More...DNASUi		125875

Genome annotation databases

EnsembliENST00000291715; ENSP00000291715; ENSG00000160318
ENST00000601435; ENSP00000472077; ENSG00000160318
GeneIDi125875
KEGGihsa:125875
MANE-SelectiENST00000291715.5; ENSP00000291715.1; NM_152353.3; NP_689566.1
UCSCiuc002pwi.1, human

Organism-specific databases

Comparative Toxicogenomics Database

More...CTDi		125875

GeneCards: human genes, protein and diseases

More...GeneCardsi		CLDND2
HGNCiHGNC:28511, CLDND2
HPAiENSG00000160318, Tissue enhanced (testis)
neXtProtiNX_Q8NHS1
OpenTargetsiENSG00000160318
PharmGKBiPA144596447
VEuPathDBiHostDB:ENSG00000160318

GenAtlas: human gene database

More...GenAtlasi		Search...

Phylogenomic databases

eggNOGiENOG502SPH8, Eukaryota
GeneTreeiENSGT01040000240490
HOGENOMiCLU_136294_0_0_1
InParanoidiQ8NHS1
OMAiRILCQEG
OrthoDBi1579117at2759
PhylomeDBiQ8NHS1
TreeFamiTF330587

Enzyme and pathway databases

PathwayCommonsiQ8NHS1
SignaLinkiQ8NHS1

Miscellaneous databases

BioGRID ORCS database of CRISPR phenotype screens

More...BioGRID-ORCSi		125875, 13 hits in 1038 CRISPR screens

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

More...GenomeRNAii		125875
PharosiQ8NHS1, Tdark

Protein Ontology

More...PROi		PR:Q8NHS1
RNActiQ8NHS1, protein

Gene expression databases

BgeeiENSG00000160318, Expressed in left testis and 120 other tissues
ExpressionAtlasiQ8NHS1, baseline and differential
GenevisibleiQ8NHS1, HS

Family and domain databases

InterProiView protein in InterPro
IPR004031, PMP22/EMP/MP20/Claudin
IPR004032, PMP22_EMP_MP20
PfamiView protein in Pfam
PF00822, PMP22_Claudin, 1 hit
PROSITEiView protein in PROSITE
PS01221, PMP22_1, 1 hit

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 nameiCLDN2_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: Q8NHS1
<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: January 9, 2007
Last sequence update: October 1, 2002
Last modified: February 23, 2022
This is version 122 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

Reference proteome

Documents

  1. Human chromosome 19
    Human chromosome 19: entries, gene names and cross-references to MIM
  2. SIMILARITY comments
    Index of protein domains and families
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