Hmdb loader
Identification
HMDB Protein ID HMDBP11443
Secondary Accession Numbers
  • 17787
Name T-cell surface glycoprotein CD1a
Synonyms
  1. CD1a antigen
  2. T-cell surface antigen T6/Leu-6
  3. hTa1 thymocyte antigen
Gene Name CD1A
Protein Type Unknown
Biological Properties
General Function Involved in immune response
Specific Function Antigen-presenting protein that binds self and non-self lipid and glycolipid antigens and presents them to T-cell receptors on natural killer T-cells
Pathways Not Available
Reactions Not Available
GO Classification
Component
mhc protein complex
mhc class i protein complex
membrane
cell part
macromolecular complex
protein complex
Process
antigen processing and presentation
immune system process
immune response
Cellular Location
  1. Cell membrane
  2. Endosome membrane
  3. Single-pass type I membrane protein
Gene Properties
Chromosome Location Chromosome:1
Locus 1q22-q23
SNPs CD1A
Gene Sequence
>984 bp
ATGCTGTTTTTGCTACTTCCATTGTTAGCTGTTCTCCCAGGTGATGGCAATGCAGACGGG
CTCAAGGAGCCTCTCTCCTTCCATGTCATCTGGATCGCATCCTTTTACAACCATTCCTGG
AAACAAAATCTGGTCTCAGGTTGGCTGAGTGATTTGCAGACTCATACCTGGGACAGCAAT
TCCAGCACCATCGTTTTCCTGTGGCCCTGGTCCAGGGGAAACTTCAGCAATGAGGAGTGG
AAGGAACTGGAAACATTATTCCGTATACGCACCATTCGGTCATTTGAGGGAATTCGTAGA
TACGCCCATGAATTGCAGTTTGAATATCCTTTTGAGATACAGGTGACAGGAGGCTGTGAG
CTGCACTCTGGAAAGGTCTCAGGAAGCTTCTTGCAGTTAGCTTATCAAGGATCAGACTTT
GTGAGCTTCCAGAACAATTCATGGTTGCCATATCCAGTGGCTGGGAATATGGCCAAGCAT
TTCTGCAAAGTGCTCAATCAGAATCAGCATGAAAATGACATAACACACAATCTTCTCAGT
GACACCTGCCCACGTTTCATCTTGGGTCTTCTTGATGCAGGAAAGGCACATCTCCAGCGG
CAAGTGAAGCCCGAGGCCTGGCTGTCCCATGGCCCCAGTCCTGGCCCTGGCCATCTGCAG
CTTGTGTGCCATGTCTCAGGATTCTACCCAAAGCCCGTGTGGGTGATGTGGATGCGGGGT
GAGCAGGAGCAGCAGGGCACTCAGCGAGGGGACATCTTGCCCAGTGCTGATGGGACATGG
TATCTCCGCGCAACCCTGGAGGTGGCCGCTGGGGAGGCAGCTGACCTGTCCTGTCGGGTG
AAGCACAGCAGTCTAGAGGGCCAGGACATCGTCCTCTACTGGGAGCATCACAGTTCCGTG
GGCTTCATCATCTTGGCGGTGATAGTGCCTTTACTTCTTCTGATAGGTCTTGCGCTTTGG
TTCAGGAAACGCTGTTTCTGTTAA
Protein Properties
Number of Residues 327
Molecular Weight 37077.1
Theoretical pI 6.79
Pfam Domain Function
Signals
  • 1-16
Transmembrane Regions
  • 301-321
Protein Sequence
>T-cell surface glycoprotein CD1a
MLFLLLPLLAVLPGDGNADGLKEPLSFHVTWIASFYNHSWKQNLVSGWLSDLQTHTWDSN
SSTIVFLCPWSRGNFSNEEWKELETLFRIRTIRSFEGIRRYAHELQFEYPFEIQVTGGCE
LHSGKVSGSFLQLAYQGSDFVSFQNNSWLPYPVAGNMAKHFCKVLNQNQHENDITHNLLS
DTCPRFILGLLDAGKAHLQRQVKPEAWLSHGPSPGPGHLQLVCHVSGFYPKPVWVMWMRG
EQEQQGTQRGDILPSADGTWYLRATLEVAAGEAADLSCRVKHSSLEGQDIVLYWEHHSSV
GFIILAVIVPLLLLIGLALWFRKRCFC
GenBank ID Protein 180036
UniProtKB/Swiss-Prot ID P06126
UniProtKB/Swiss-Prot Entry Name CD1A_HUMAN
PDB IDs
GenBank Gene ID M28825
GeneCard ID CD1A
GenAtlas ID CD1A
HGNC ID HGNC:1634
References
General References
  1. 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, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. [PubMed:14702039 ]
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  3. Han M, Hannick LI, DiBrino M, Robinson MA: Polymorphism of human CD1 genes. Tissue Antigens. 1999 Aug;54(2):122-7. [PubMed:10488738 ]
  4. Martin LH, Calabi F, Milstein C: Isolation of CD1 genes: a family of major histocompatibility complex-related differentiation antigens. Proc Natl Acad Sci U S A. 1986 Dec;83(23):9154-8. [PubMed:3097645 ]
  5. Aruffo A, Seed B: Expression of cDNA clones encoding the thymocyte antigens CD1a, b, c demonstrates a hierarchy of exclusion in fibroblasts. J Immunol. 1989 Sep 1;143(5):1723-30. [PubMed:2701945 ]
  6. Martin LH, Calabi F, Lefebvre FA, Bilsland CA, Milstein C: Structure and expression of the human thymocyte antigens CD1a, CD1b, and CD1c. Proc Natl Acad Sci U S A. 1987 Dec;84(24):9189-93. [PubMed:2447586 ]
  7. Longley J, Kraus J, Alonso M, Edelson R: Molecular cloning of CD1a (T6), a human epidermal dendritic cell marker related to class I MHC molecules. J Invest Dermatol. 1989 Apr;92(4):628-31. [PubMed:2784820 ]
  8. Calabi F, Milstein C: A novel family of human major histocompatibility complex-related genes not mapping to chromosome 6. Nature. 1986 Oct 9-15;323(6088):540-3. [PubMed:3093894 ]
  9. Salamero J, Bausinger H, Mommaas AM, Lipsker D, Proamer F, Cazenave JP, Goud B, de la Salle H, Hanau D: CD1a molecules traffic through the early recycling endosomal pathway in human Langerhans cells. J Invest Dermatol. 2001 Mar;116(3):401-8. [PubMed:11231314 ]
  10. Vincent MS, Xiong X, Grant EP, Peng W, Brenner MB: CD1a-, b-, and c-restricted TCRs recognize both self and foreign antigens. J Immunol. 2005 Nov 15;175(10):6344-51. [PubMed:16272286 ]
  11. Sloma I, Zilber MT, Vasselon T, Setterblad N, Cavallari M, Mori L, De Libero G, Charron D, Mooney N, Gelin C: Regulation of CD1a surface expression and antigen presentation by invariant chain and lipid rafts. J Immunol. 2008 Jan 15;180(2):980-7. [PubMed:18178838 ]
  12. Zajonc DM, Elsliger MA, Teyton L, Wilson IA: Crystal structure of CD1a in complex with a sulfatide self antigen at a resolution of 2.15 A. Nat Immunol. 2003 Aug;4(8):808-15. Epub 2003 Jun 29. [PubMed:12833155 ]
  13. Zajonc DM, Crispin MD, Bowden TA, Young DC, Cheng TY, Hu J, Costello CE, Rudd PM, Dwek RA, Miller MJ, Brenner MB, Moody DB, Wilson IA: Molecular mechanism of lipopeptide presentation by CD1a. Immunity. 2005 Feb;22(2):209-19. [PubMed:15723809 ]
  14. Oteo M, Arribas P, Setien F, Parra JF, Mirones I, Gomez del Moral M, Martinez-Naves E: Structural characterization of two CD1A allelic variants. Hum Immunol. 2001 Oct;62(10):1137-41. [PubMed:11600221 ]