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    CLDN20 claudin 20 [ Homo sapiens (human) ]

    Gene ID: 49861, updated on 10-Dec-2024

    Summary

    Official Symbol
    CLDN20provided by HGNC
    Official Full Name
    claudin 20provided by HGNC
    Primary source
    HGNC:HGNC:2042
    See related
    Ensembl:ENSG00000171217 AllianceGenome:HGNC:2042
    Gene type
    protein coding
    RefSeq status
    REVIEWED
    Organism
    Homo sapiens
    Lineage
    Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo
    Summary
    This gene encodes a member of the claudin family. Claudins are integral membrane proteins and components of tight junction strands. Tight junction strands serve as a physical barrier to prevent solutes and water from passing freely through the paracellular space between epithelial or endothelial cell sheets, and also play critical roles in maintaining cell polarity and signal transductions. [provided by RefSeq, Jun 2010]
    Expression
    Low expression observed in reference dataset See more
    Orthologs
    NEW
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    Genomic context

    See CLDN20 in Genome Data Viewer
    Location:
    6q25.3
    Exon count:
    2
    Annotation release Status Assembly Chr Location
    RS_2024_08 current GRCh38.p14 (GCF_000001405.40) 6 NC_000006.12 (155264013..155276548)
    RS_2024_08 current T2T-CHM13v2.0 (GCF_009914755.1) 6 NC_060930.1 (156466034..156478569)
    RS_2024_09 previous assembly GRCh37.p13 (GCF_000001405.25) 6 NC_000006.11 (155585147..155597682)

    Chromosome 6 - NC_000006.12Genomic Context describing neighboring genes Neighboring gene MPRA-validated peak6235 silencer Neighboring gene Sharpr-MPRA regulatory region 2718 Neighboring gene microRNA 1273c Neighboring gene ReSE screen-validated silencer GRCh37_chr6:155259719-155259894 Neighboring gene H3K27ac hESC enhancer GRCh37_chr6:155272494-155272994 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155287362-155288008 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25298 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25299 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155316343-155316950 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155316951-155317556 Neighboring gene lysophosphatidylcholine acyltransferase 3 pseudogene Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155340532-155341032 Neighboring gene TIAM Rac1 associated GEF 2 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155434365-155434864 Neighboring gene H3K27ac hESC enhancer GRCh37_chr6:155440095-155440876 Neighboring gene OCT4-NANOG-H3K27ac hESC enhancer GRCh37_chr6:155440877-155441659 Neighboring gene CDK7 strongly-dependent group 2 enhancer GRCh37_chr6:155448114-155449313 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155450845-155451460 Neighboring gene Neanderthal introgressed variant-containing enhancer experimental_91096 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25300 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25301 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25302 Neighboring gene ATAC-STARR-seq lymphoblastoid silent region 17702 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25303 Neighboring gene ReSE screen-validated silencer GRCh37_chr6:155499148-155499350 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25304 Neighboring gene OCT4-H3K27ac hESC enhancer GRCh37_chr6:155506493-155507300 Neighboring gene OCT4-H3K27ac hESC enhancer GRCh37_chr6:155507301-155508106 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155508589-155509092 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155517063-155517562 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155539515-155540016 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155540017-155540516 Neighboring gene H3K4me1 hESC enhancer GRCh37_chr6:155541579-155542078 Neighboring gene P300/CBP strongly-dependent group 1 enhancer GRCh37_chr6:155544888-155546087 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155568469-155569164 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155574917-155575491 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155575492-155576065 Neighboring gene transcription factor B1, mitochondrial Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25305 Neighboring gene NANOG-H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155635711-155636701 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25308 Neighboring gene ATAC-STARR-seq lymphoblastoid active region 25309 Neighboring gene H3K27ac-H3K4me1 hESC enhancer GRCh37_chr6:155748671-155749628 Neighboring gene NADPH oxidase 3 Neighboring gene uncharacterized LOC105378068 Neighboring gene OCT4-NANOG hESC enhancer GRCh37_chr6:155844790-155845366

    Genomic regions, transcripts, and products

    Expression

    • Project title: Tissue-specific circular RNA induction during human fetal development
    • Description: 35 human fetal samples from 6 tissues (3 - 7 replicates per tissue) collected between 10 and 20 weeks gestational time were sequenced using Illumina TruSeq Stranded Total RNA
    • BioProject: PRJNA270632
    • Publication: PMID 26076956
    • Analysis date: Mon Apr 2 22:54:59 2018

    Pathways from PubChem

    Interactions

    Products Interactant Other Gene Complex Source Pubs Description

    General gene information

    Markers

    Gene Ontology Provided by GOA

    Function Evidence Code Pubs
    enables identical protein binding ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    enables protein binding IPI
    Inferred from Physical Interaction
    more info
    PubMed 
    enables structural molecule activity IEA
    Inferred from Electronic Annotation
    more info
     
    Process Evidence Code Pubs
    involved_in bicellular tight junction assembly IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    involved_in calcium-independent cell-cell adhesion via plasma membrane cell-adhesion molecules ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    involved_in cell adhesion IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    Component Evidence Code Pubs
    located_in Golgi apparatus IDA
    Inferred from Direct Assay
    more info
     
    is_active_in bicellular tight junction IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    located_in bicellular tight junction ISS
    Inferred from Sequence or Structural Similarity
    more info
     
    located_in cytosol IDA
    Inferred from Direct Assay
    more info
     
    is_active_in plasma membrane IBA
    Inferred from Biological aspect of Ancestor
    more info
     
    located_in plasma membrane IDA
    Inferred from Direct Assay
    more info
     
    located_in tight junction IDA
    Inferred from Direct Assay
    more info
    PubMed 

    General protein information

    Preferred Names
    claudin-20
    Names
    testis secretory sperm-binding protein Li 229n

    NCBI Reference Sequences (RefSeq)

    NEW Try the new Transcript table

    RefSeqs maintained independently of Annotated Genomes

    These reference sequences exist independently of genome builds. Explain

    These reference sequences are curated independently of the genome annotation cycle, so their versions may not match the RefSeq versions in the current genome build. Identify version mismatches by comparing the version of the RefSeq in this section to the one reported in Genomic regions, transcripts, and products above.

    mRNA and Protein(s)

    1. NM_001001346.3NP_001001346.1  claudin-20 precursor

      See identical proteins and their annotated locations for NP_001001346.1

      Status: REVIEWED

      Source sequence(s)
      AL139101, BC020838
      Consensus CDS
      CCDS5249.1
      UniProtKB/Swiss-Prot
      P56880
      UniProtKB/TrEMBL
      A0A140VKA2
      Related
      ENSP00000356133.3, ENST00000367165.3
      Conserved Domains (1) summary
      cl21598
      Location:5181
      PMP22_Claudin; PMP-22/EMP/MP20/Claudin family

    RefSeqs of Annotated Genomes: GCF_000001405.40-RS_2024_08

    The following sections contain reference sequences that belong to a specific genome build. Explain

    Reference GRCh38.p14 Primary Assembly

    Genomic

    1. NC_000006.12 Reference GRCh38.p14 Primary Assembly

      Range
      155264013..155276548
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)

    Alternate T2T-CHM13v2.0

    Genomic

    1. NC_060930.1 Alternate T2T-CHM13v2.0

      Range
      156466034..156478569
      Download
      GenBank, FASTA, Sequence Viewer (Graphics)