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Identification
HMDB Protein ID HMDBP07603
Secondary Accession Numbers
  • 13312
Name Claudin-1
Synonyms
  1. Senescence-associated epithelial membrane protein
Gene Name CLDN1
Protein Type Unknown
Biological Properties
General Function Involved in structural molecule activity
Specific Function Plays a major role in tight junction-specific obliteration of the intercellular space, through calcium- independent cell-adhesion activity. Acts as a co- receptor for HCV entry into hepatic cells
Pathways Not Available
Reactions Not Available
GO Classification
Component
cell-cell junction
occluding junction
tight junction
membrane
cell part
membrane part
plasma membrane part
cell junction
Function
structural molecule activity
Cellular Location
  1. Cell membrane
  2. Multi-pass membrane protein
  3. Cell junction
  4. tight junction
Gene Properties
Chromosome Location Chromosome:3
Locus 3q28-q29
SNPs CLDN1
Gene Sequence
>636 bp
ATGGCCAACGCGGGGCTGCAGCTGTTGGGCTTCATTCTCGCCTTCCTGGGATGGATCGGC
GCCATCGTCAGCACTGCCCTGCCCCAGTGGAGGATTTACTCCTATGCCGGCGACAACATC
GTGACCGCCCAGGCCATGTACGAGGGGCTGTGGATGTCCTGCGTGTCGCAGAGCACCGGG
CAGATCCAGTGCAAAGTCTTTGACTCCTTGCTGAATCTGAGCAGCACATTGCAAGCAACC
CGTGCCTTGATGGTGGTTGGCATCCTCCTGGGAGTGATAGCAATCTTTGTGGCCACCGTT
GGCATGAAGTGTATGAAGTGCTTGGAAGACGATGAGGTGCAGAAGATGAGGATGGCTGTC
ATTGGGGGTGCGATATTTCTTCTTGCAGGTCTGGCTATTTTAGTTGCCACAGCATGGTAT
GGCAATAGAATCGTTCAAGAATTCTATGACCCTATGACCCCAGTCAATGCCAGGTACGAA
TTTGGTCAGGCTCTCTTCACTGGCTGGGCTGCTGCTTCTCTCTGCCTTCTGGGAGGTGCC
CTACTTTGCTGTTCCTGTCCCCGAAAAACAACCTCTTACCCAACACCAAGGCCCTATCCA
AAACCTGCACCTTCCAGCGGGAAAGACTACGTGTGA
Protein Properties
Number of Residues 211
Molecular Weight 22743.6
Theoretical pI 8.18
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • 8-28
  • 82-102
  • 116-136
  • 164-184
Protein Sequence
>Claudin-1
MANAGLQLLGFILAFLGWIGAIVSTALPQWRIYSYAGDNIVTAQAMYEGLWMSCVSQSTG
QIQCKVFDSLLNLSSTLQATRALMVVGILLGVIAIFVATVGMKCMKCLEDDEVQKMRMAV
IGGAIFLLAGLAILVATAWYGNRIVQEFYDPMTPVNARYEFGQALFTGWAAASLCLLGGA
LLCCSCPRKTTSYPTPRPYPKPAPSSGKDYV
GenBank ID Protein 4323581
UniProtKB/Swiss-Prot ID O95832
UniProtKB/Swiss-Prot Entry Name CLD1_HUMAN
PDB IDs Not Available
GenBank Gene ID AF101051
GeneCard ID CLDN1
GenAtlas ID CLDN1
HGNC ID HGNC:2032
References
General References
  1. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  2. Clark HF, Gurney AL, Abaya E, Baker K, Baldwin D, Brush J, Chen J, Chow B, Chui C, Crowley C, Currell B, Deuel B, Dowd P, Eaton D, Foster J, Grimaldi C, Gu Q, Hass PE, Heldens S, Huang A, Kim HS, Klimowski L, Jin Y, Johnson S, Lee J, Lewis L, Liao D, Mark M, Robbie E, Sanchez C, Schoenfeld J, Seshagiri S, Simmons L, Singh J, Smith V, Stinson J, Vagts A, Vandlen R, Watanabe C, Wieand D, Woods K, Xie MH, Yansura D, Yi S, Yu G, Yuan J, Zhang M, Zhang Z, Goddard A, Wood WI, Godowski P, Gray A: The secreted protein discovery initiative (SPDI), a large-scale effort to identify novel human secreted and transmembrane proteins: a bioinformatics assessment. Genome Res. 2003 Oct;13(10):2265-70. Epub 2003 Sep 15. [PubMed:12975309 ]
  3. Swisshelm K, Machl A, Planitzer S, Robertson R, Kubbies M, Hosier S: SEMP1, a senescence-associated cDNA isolated from human mammary epithelial cells, is a member of an epithelial membrane protein superfamily. Gene. 1999 Jan 21;226(2):285-95. [PubMed:9931503 ]
  4. Halford S, Spencer P, Greenwood J, Winton H, Hunt DM, Adamson P: Assignment of claudin-1 (CLDN1) to human chromosome 3q28-->q29 with somatic cell hybrids. Cytogenet Cell Genet. 2000;88(3-4):217. [PubMed:10828592 ]
  5. Kramer F, White K, Kubbies M, Swisshelm K, Weber BH: Genomic organization of claudin-1 and its assessment in hereditary and sporadic breast cancer. Hum Genet. 2000 Sep;107(3):249-56. [PubMed:11071387 ]
  6. Furuse M, Fujita K, Hiiragi T, Fujimoto K, Tsukita S: Claudin-1 and -2: novel integral membrane proteins localizing at tight junctions with no sequence similarity to occludin. J Cell Biol. 1998 Jun 29;141(7):1539-50. [PubMed:9647647 ]
  7. Hadj-Rabia S, Baala L, Vabres P, Hamel-Teillac D, Jacquemin E, Fabre M, Lyonnet S, De Prost Y, Munnich A, Hadchouel M, Smahi A: Claudin-1 gene mutations in neonatal sclerosing cholangitis associated with ichthyosis: a tight junction disease. Gastroenterology. 2004 Nov;127(5):1386-90. [PubMed:15521008 ]
  8. Feldmeyer L, Huber M, Fellmann F, Beckmann JS, Frenk E, Hohl D: Confirmation of the origin of NISCH syndrome. Hum Mutat. 2006 May;27(5):408-10. [PubMed:16619213 ]
  9. Evans MJ, von Hahn T, Tscherne DM, Syder AJ, Panis M, Wolk B, Hatziioannou T, McKeating JA, Bieniasz PD, Rice CM: Claudin-1 is a hepatitis C virus co-receptor required for a late step in entry. Nature. 2007 Apr 12;446(7137):801-5. Epub 2007 Feb 25. [PubMed:17325668 ]