Transcobalamin-1

Details

Name
Transcobalamin-1
Synonyms
  • Haptocorrin
  • HC
  • Protein R
  • TC I
  • TC-1
  • TC1
  • TCI
  • Transcobalamin I
Gene Name
TCN1
Organism
Humans
Amino acid sequence
>lcl|BSEQ0016043|Transcobalamin-1
MRQSHQLPLVGLLLFSFIPSQLCEICEVSEENYIRLKPLLNTMIQSNYNRGTSAVNVVLS
LKLVGIQIQTLMQKMIQQIKYNVKSRLSDVSSGELALIILALGVCRNAEENLIYDYHLID
KLENKFQAEIENMEAHNGTPLTNYYQLSLDVLALCLFNGNYSTAEVVNHFTPENKNYYFG
SQFSVDTGAMAVLALTCVKKSLINGQIKADEGSLKNISIYTKSLVEKILSEKKENGLIGN
TFSTGEAMQALFVSSDYYNENDWNCQQTLNTVLTEISQGAFSNPNAAAQVLPALMGKTFL
DINKDSSCVSASGNFNISADEPITVTPPDSQSYISVNYSVRINETYFTNVTVLNGSVFLS
VMEKAQKMNDTIFGFTMEERSWGPYITCIQGLCANNNDRTYWELLSGGEPLSQGAGSYVV
RNGENLEVRWSKY
Number of residues
433
Molecular Weight
48206.32
Theoretical pI
4.68
GO Classification
Functions
cobalamin binding
Processes
cobalamin metabolic process / cobalamin transport / cobalt ion transport / small molecule metabolic process / vitamin metabolic process / water-soluble vitamin metabolic process
Components
extracellular region / extracellular space
General Function
Cobalamin binding
Specific Function
Binds vitamin B12 with femtomolar affinity and protects it from the acidic environment of the stomach.
Pfam Domain Function
Transmembrane Regions
Not Available
Cellular Location
Secreted
Gene sequence
>lcl|BSEQ0016044|Transcobalamin-1 (TCN1)
ATGAGACAGTCACACCAGCTGCCCCTAGTGGGGCTCTTACTGTTTTCTTTTATTCCAAGC
CAACTATGCGAGATTTGTGAGGTAAGTGAAGAAAACTACATCCGCCTAAAACCTCTGTTG
AATACAATGATCCAGTCAAACTATAACAGGGGAACCAGCGCTGTCAATGTTGTGTTGTCC
CTCAAACTTGTTGGAATCCAGATCCAAACCCTGATGCAAAAGATGATCCAACAAATCAAA
TACAATGTGAAAAGCAGATTGTCAGATGTAAGCTCGGGAGAGCTTGCCTTGATTATACTG
GCTTTGGGAGTATGTCGTAACGCTGAGGAAAACTTAATATATGATTACCACCTGATCGAC
AAGCTAGAAAATAAATTCCAAGCAGAAATTGAAAATATGGAAGCACACAATGGCACTCCC
CTGACTAACTACTACCAGCTCAGCCTGGACGTTTTGGCCTTGTGTCTGTTCAATGGGAAC
TACTCAACCGCCGAAGTTGTCAACCACTTCACTCCTGAAAATAAAAACTATTATTTTGGT
AGCCAGTTCTCAGTAGATACTGGTGCAATGGCTGTCCTGGCTCTGACCTGTGTGAAGAAG
AGTCTAATAAATGGGCAGATCAAAGCAGATGAAGGCAGTTTAAAGAACATCAGTATTTAT
ACAAAGTCACTGGTAGAAAAGATTCTGTCTGAGAAAAAAGAAAATGGTCTCATTGGAAAC
ACATTTAGCACAGGAGAAGCCATGCAGGCCCTCTTTGTATCATCAGACTATTATAATGAA
AATGACTGGAATTGCCAACAAACTCTGAATACAGTGCTCACGGAAATTTCTCAAGGAGCA
TTCAGCAATCCAAACGCTGCAGCCCAGGTCTTACCTGCCCTGATGGGAAAGACCTTCTTG
GATATTAACAAAGACTCTTCTTGCGTCTCTGCTTCAGGTAACTTCAACATCTCCGCTGAT
GAGCCTATAACTGTGACACCTCCTGACTCACAATCATATATCTCCGTCAATTACTCTGTG
AGAATCAATGAAACATATTTCACCAATGTCACTGTGCTAAATGGTTCTGTCTTCCTCAGT
GTGATGGAGAAAGCCCAGAAAATGAATGATACTATATTTGGTTTCACAATGGAGGAGCGC
TCATGGGGGCCCTATATCACCTGTATTCAGGGCCTATGTGCCAACAATAATGACAGAACC
TACTGGGAACTTCTGAGTGGAGGCGAACCACTGAGCCAAGGAGCTGGTAGTTACGTTGTC
CGCAATGGAGAAAACTTGGAGGTTCGCTGGAGCAAATACTAA
Chromosome Location
11
Locus
11q11-q12
External Identifiers
ResourceLink
UniProtKB IDP20061
UniProtKB Entry NameTCO1_HUMAN
GenBank Protein ID307479
GenBank Gene IDJ05068
GenAtlas IDTCN1
HGNC IDHGNC:11652
General References
  1. Johnston J, Bollekens J, Allen RH, Berliner N: Structure of the cDNA encoding transcobalamin I, a neutrophil granule protein. J Biol Chem. 1989 Sep 25;264(27):15754-7. [Article]
  2. 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. [Article]
  3. Taylor TD, Noguchi H, Totoki Y, Toyoda A, Kuroki Y, Dewar K, Lloyd C, Itoh T, Takeda T, Kim DW, She X, Barlow KF, Bloom T, Bruford E, Chang JL, Cuomo CA, Eichler E, FitzGerald MG, Jaffe DB, LaButti K, Nicol R, Park HS, Seaman C, Sougnez C, Yang X, Zimmer AR, Zody MC, Birren BW, Nusbaum C, Fujiyama A, Hattori M, Rogers J, Lander ES, Sakaki Y: Human chromosome 11 DNA sequence and analysis including novel gene identification. Nature. 2006 Mar 23;440(7083):497-500. [Article]
  4. Liu T, Qian WJ, Gritsenko MA, Camp DG 2nd, Monroe ME, Moore RJ, Smith RD: Human plasma N-glycoproteome analysis by immunoaffinity subtraction, hydrazide chemistry, and mass spectrometry. J Proteome Res. 2005 Nov-Dec;4(6):2070-80. [Article]
  5. Ramachandran P, Boontheung P, Xie Y, Sondej M, Wong DT, Loo JA: Identification of N-linked glycoproteins in human saliva by glycoprotein capture and mass spectrometry. J Proteome Res. 2006 Jun;5(6):1493-503. [Article]
  6. Furger E, Frei DC, Schibli R, Fischer E, Prota AE: Structural basis for universal corrinoid recognition by the cobalamin transport protein haptocorrin. J Biol Chem. 2013 Aug 30;288(35):25466-76. doi: 10.1074/jbc.M113.483271. Epub 2013 Jul 11. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB00200HydroxocobalaminapprovedunknownotherDetails
DB00115Cyanocobalaminapproved, nutraceuticalunknownsubstrateDetails