Protein amnionless

NameProtein amnionless
Synonyms
  • Amnionless protein precursor
Gene NameAMN
OrganismHuman
Amino acid sequence
>lcl|BSEQ0036994|Protein amnionless
MGVLGRVLLWLQLCALTQAVSKLWVPNTDFDVAANWSQNRTPCAGGAVEFPADKMVSVLV
QEGHAVSDMLLPLDGELVLASGAGFGVSDVGSHLDCGAGEPAVFRDSDRFSWHDPHLWRS
GDEAPGLFFVDAERVPCRHDDVFFPPSASFRVGLGPGASPVRVRSISALGRTFTRDEDLA
VFLASRAGRLRFHGPGALSVGPEDCADPSGCVCGNAEAQPWICAALLQPLGGRCPQAACH
SALRPQGQCCDLCGAVVLLTHGPAFDLERYRARILDTFLGLPQYHGLQVAVSKVPRSSRL
READTEIQVVLVENGPETGGAGRLARALLADVAENGEALGVLEATMRESGAHVWGSSAAG
LAGGVAAAVLLALLVLLVAPPLLRRAGRLRWRRHEAAAPAGAPLGFRNPVFDVTASEELP
LPRRLSLVPKAAADSTSHSYFVNPLFAGAEAEA
Number of residues453
Molecular Weight47753.91
Theoretical pI6.09
GO Classification
Functions
  • receptor binding
Processes
  • Golgi to plasma membrane protein transport
  • cobalamin transport
  • small molecule metabolic process
  • receptor-mediated endocytosis
  • multicellular organismal development
  • vitamin metabolic process
  • water-soluble vitamin metabolic process
  • lipoprotein metabolic process
  • cobalamin metabolic process
  • excretion
Components
  • plasma membrane
  • extracellular space
  • integral component of membrane
  • extracellular exosome
  • apical plasma membrane
  • endocytic vesicle
  • endosome membrane
General FunctionReceptor binding
Specific FunctionNecessary for efficient absorption of vitamin B12. May direct the production of trunk mesoderm during development by modulating a bone morphogenetic protein (BMP) signaling pathway in the underlying visceral endoderm (By similarity).
Pfam Domain FunctionNot Available
Transmembrane Regions358-378
GenBank Protein ID13507259
UniProtKB IDQ9BXJ7
UniProtKB Entry NameAMNLS_HUMAN
Cellular LocationMembrane
Gene sequence
>lcl|BSEQ0021258|Protein amnionless (AMN)
ATGGGCGTCCTGGGCCGGGTCCTGCTGTGGCTGCAGCTCTGCGCACTGACCCAGGCGGTC
TCCAAACTCTGGGTCCCCAACACGGACTTCGACGTCGCAGCCAACTGGAGCCAGAACCGG
ACCCCGTGCGCCGGCGGCGCCGTTGAGTTCCCGGCGGACAAGATGGTGTCAGTCCTGGTG
CAAGAAGGTCACGCCGTCTCAGACATGCTCCTGCCGCTGGATGGGGAACTCGTCCTGGCT
TCAGGAGCCGGATTCGGCGTCTCAGACGTGGGCTCGCACCTGGACTGTGGCGCGGGCGAA
CCTGCCGTCTTCCGCGACTCTGACCGCTTCTCCTGGCATGACCCGCACCTGTGGCGCTCT
GGGGACGAGGCACCTGGCCTCTTCTTCGTGGACGCCGAGCGCGTGCCCTGCCGCCACGAC
GACGTCTTCTTTCCGCCTAGTGCCTCCTTCCGCGTGGGGCTCGGCCCTGGCGCTAGCCCC
GTGCGTGTCCGCAGCATCTCGGCTCTGGGCCGGACGTTCACGCGCGACGAGGACCTGGCT
GTTTTCCTGGCGTCCCGCGCGGGCCGCCTACGCTTCCACGGGCCGGGCGCGCTGAGCGTG
GGCCCCGAGGACTGCGCGGACCCGTCGGGCTGCGTCTGCGGCAACGCGGAGGCGCAGCCG
TGGATCTGCGCGGCCCTGCTCCAGCCCCTGGGCGGCCGCTGCCCCCAGGCCGCCTGCCAC
AGCGCCCTCCGGCCCCAGGGGCAGTGCTGTGACCTCTGTGGAGCCGTTGTGTTGCTGACC
CACGGCCCCGCATTTGACCTGGAGCGGTACCGGGCGCGGATACTGGACACCTTCCTGGGT
CTGCCTCAGTACCACGGGCTGCAGGTGGCCGTGTCCAAGGTGCCACGCTCGTCCCGGCTC
CGTGAGGCCGATACGGAGATCCAGGTGGTGCTGGTGGAGAATGGGCCCGAGACAGGCGGA
GCGGGGCGGCTGGCCCGGGCCCTCCTGGCGGACGTCGCCGAGAACGGCGAGGCCCTCGGC
GTCCTGGAGGCGACCATGCGGGAGTCGGGCGCACACGTCTGGGGCAGCTCCGCGGCTGGG
CTGGCGGGCGGCGTGGCGGCTGCCGTGCTGCTGGCGCTGCTGGTCCTGCTGGTGGCGCCG
CCGCTGCTGCGCCGCGCGGGGAGGCTCAGGTGGAGGAGGCACGAGGCGGCGGCCCCGGCT
GGAGCGCCCCTCGGCTTCCGCAACCCGGTGTTCGACGTGACGGCCTCCGAGGAGCTGCCC
CTGCCGCGGCGGCTCAGCCTGGTTCCGAAGGCGGCCGCAGACAGCACCAGCCACAGTTAC
TTCGTCAACCCTCTGTTCGCCGGGGCCGAGGCCGAGGCCTGA
GenBank Gene IDAF328788
GeneCard IDNot Available
GenAtlas IDAMN
HGNC IDHGNC:14604
Chromosome Location14
Locus14q32.3
References
  1. Kalantry S, Manning S, Haub O, Tomihara-Newberger C, Lee HG, Fangman J, Disteche CM, Manova K, Lacy E: The amnionless gene, essential for mouse gastrulation, encodes a visceral-endoderm-specific protein with an extracellular cysteine-rich domain. Nat Genet. 2001 Apr;27(4):412-6. 11279523
  2. Heilig R, Eckenberg R, Petit JL, Fonknechten N, Da Silva C, Cattolico L, Levy M, Barbe V, de Berardinis V, Ureta-Vidal A, Pelletier E, Vico V, Anthouard V, Rowen L, Madan A, Qin S, Sun H, Du H, Pepin K, Artiguenave F, Robert C, Cruaud C, Bruls T, Jaillon O, Friedlander L, Samson G, Brottier P, Cure S, Segurens B, Aniere F, Samain S, Crespeau H, Abbasi N, Aiach N, Boscus D, Dickhoff R, Dors M, Dubois I, Friedman C, Gouyvenoux M, James R, Madan A, Mairey-Estrada B, Mangenot S, Martins N, Menard M, Oztas S, Ratcliffe A, Shaffer T, Trask B, Vacherie B, Bellemere C, Belser C, Besnard-Gonnet M, Bartol-Mavel D, Boutard M, Briez-Silla S, Combette S, Dufosse-Laurent V, Ferron C, Lechaplais C, Louesse C, Muselet D, Magdelenat G, Pateau E, Petit E, Sirvain-Trukniewicz P, Trybou A, Vega-Czarny N, Bataille E, Bluet E, Bordelais I, Dubois M, Dumont C, Guerin T, Haffray S, Hammadi R, Muanga J, Pellouin V, Robert D, Wunderle E, Gauguet G, Roy A, Sainte-Marthe L, Verdier J, Verdier-Discala C, Hillier L, Fulton L, McPherson J, Matsuda F, Wilson R, Scarpelli C, Gyapay G, Wincker P, Saurin W, Quetier F, Waterston R, Hood L, Weissenbach J: The DNA sequence and analysis of human chromosome 14. Nature. 2003 Feb 6;421(6923):601-7. Epub 2003 Jan 1. 12508121
  3. 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. 12975309
  4. Tanner SM, Aminoff M, Wright FA, Liyanarachchi S, Kuronen M, Saarinen A, Massika O, Mandel H, Broch H, de la Chapelle A: Amnionless, essential for mouse gastrulation, is mutated in recessive hereditary megaloblastic anemia. Nat Genet. 2003 Mar;33(3):426-9. Epub 2003 Feb 18. 12590260
  5. Fyfe JC, Madsen M, Hojrup P, Christensen EI, Tanner SM, de la Chapelle A, He Q, Moestrup SK: The functional cobalamin (vitamin B12)-intrinsic factor receptor is a novel complex of cubilin and amnionless. Blood. 2004 Mar 1;103(5):1573-9. Epub 2003 Oct 23. 14576052
  6. Densupsoontorn N, Sanpakit K, Vijarnsorn C, Pattaragarn A, Kangwanpornsiri C, Jatutipsompol C, Tirapongporn H, Jirapinyo P, Shah NP, Sturm AC, Tanner SM: Imerslund-Grasbeck syndrome: new mutation in amnionless. Pediatr Int. 2012 Jun;54(3):e19-21. doi: 10.1111/j.1442-200X.2011.03482.x. 22631584