Q8N7P3 (CLD22_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
April 3, 2013.
Version 81.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Claudin-22 | ||
| Gene names |
| ||
| Organism | Homo sapiens (Human) [Reference proteome] | ||
| Taxonomic identifier | 9606 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 220 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at transcript level |
General annotation (Comments)
| Function | Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium-independent cell-adhesion activity By similarity. |
| Subcellular location | Cell junction › tight junction By similarity. Cell membrane; Multi-pass membrane protein By similarity. |
| Sequence similarities | Belongs to the claudin family. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Cell junction Cell membrane Membrane Tight junction |
| Domain | Transmembrane Transmembrane helix |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | calcium-independent cell-cell adhesion Inferred from sequence or structural similarity. Source: UniProtKB tight junction assemblyTraceable author statement. Source: Reactome |
| Cellular_component | integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membraneInferred from electronic annotation. Source: UniProtKB-SubCell tight junctionInferred from sequence or structural similarity. Source: UniProtKB |
| Molecular_function | identical protein binding Inferred from sequence or structural similarity. Source: UniProtKB structural molecule activityInferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 220 | 220 | Claudin-22 | PRO_0000144785 | |||||
Regions | |||||||||
| Topological domain | 1 – 10 | 10 | Cytoplasmic Potential | ||||||
| Transmembrane | 11 – 30 | 20 | Helical; Potential | ||||||
| Topological domain | 31 – 81 | 51 | Extracellular Potential | ||||||
| Transmembrane | 82 – 102 | 21 | Helical; Potential | ||||||
| Topological domain | 103 – 117 | 15 | Cytoplasmic Potential | ||||||
| Transmembrane | 118 – 138 | 21 | Helical; Potential | ||||||
| Topological domain | 139 – 164 | 26 | Extracellular Potential | ||||||
| Transmembrane | 165 – 185 | 21 | Helical; Potential | ||||||
| Topological domain | 186 – 220 | 35 | Cytoplasmic Potential | ||||||
Experimental info | |||||||||
| Sequence conflict | 111 | 1 | Q → L in AK098064. Ref.2 | ||||||
Sequences
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References
| [1] | "Generation and annotation of the DNA sequences of human chromosomes 2 and 4." Hillier L.W., Graves T.A., Fulton R.S., Fulton L.A., Pepin K.H., Minx P., Wagner-McPherson C., Layman D., Wylie K., Sekhon M., Becker M.C., Fewell G.A., Delehaunty K.D., Miner T.L., Nash W.E., Kremitzki C., Oddy L., Du H. Wilson R.K.Nature 434:724-731(2005) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [2] | "Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. Sugano S.Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] OF 18-220. Tissue: Trachea. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AC093844 Genomic DNA. No translation available. AK098064 mRNA. No translation available. |
| IPI | IPI00332356. |
| RefSeq | NP_001104789.1. NM_001111319.1. |
| UniGene | Hs.333179. Hs.712634. |
3D structure databases | |
| ProteinModelPortal | Q8N7P3. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 9606.ENSP00000318113. |
Protein family/group databases | |
| TCDB | 1.H.1.1.3. claudin tight junction (Claudin) family. |
Polymorphism databases | |
| DMDM | 62298548. |
Proteomic databases | |
| PRIDE | Q8N7P3. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000323319; ENSP00000318113; ENSG00000177300. |
| GeneID | 53842. |
| KEGG | hsa:53842. |
| UCSC | uc010isa.1. human. |
Organism-specific databases | |
| CTD | 53842. |
| GeneCards | GC04M184239. |
| HGNC | HGNC:2044. CLDN22. |
| neXtProt | NX_Q8N7P3. |
| PharmGKB | PA26570. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | NOG40943. |
| HOGENOM | HOG000220937. |
| HOVERGEN | HBG104065. |
| InParanoid | Q8N7P3. |
| KO | K06087. |
| OMA | LETRNTN. |
| OrthoDB | EOG4V4391. |
Enzyme and pathway databases | |
| Reactome | REACT_111155. Cell-Cell communication. |
Gene expression databases | |
| Bgee | Q8N7P3. |
| Genevestigator | Q8N7P3. |
Family and domain databases | |
| InterPro | IPR006187. Claudin. IPR017974. Claudin_CS. IPR004031. PMP22/EMP/MP20/Claudin. [Graphical view] |
| PANTHER | PTHR12002. PTHR12002. 1 hit. |
| Pfam | PF00822. PMP22_Claudin. 1 hit. [Graphical view] |
| PRINTS | PR01077. CLAUDIN. |
| PROSITE | PS01346. CLAUDIN. 1 hit. [Graphical view] |
| ProtoNet | Search... |
Other | |
| GenomeRNAi | 53842. |
| NextBio | 56202. |
Entry information
| Entry name | CLD22_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q8N7P3 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any 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. | ||||||||
Relevant documents
| Human chromosome 4 Human chromosome 4: entries, gene names and cross-references to MIM |
| SIMILARITY comments Index of protein domains and families |

Clusters with
