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Showing Protein Polypeptide N-acetylgalactosaminyltransferase 1 (HMDBP01008)

IdentificationBiological propertiesGene propertiesProtein propertiesExternal linksReferencesXMLShow 7 metabolites
Identification
HMDB Protein ID HMDBP01008
Secondary Accession Numbers
  • 6296
  • HMDBP05280
Name Polypeptide N-acetylgalactosaminyltransferase 1
Synonyms
  1. GalNAc-T1
  2. Polypeptide GalNAc transferase 1
  3. Polypeptide N-acetylgalactosaminyltransferase 1 soluble form
  4. Protein-UDP acetylgalactosaminyltransferase 1
  5. UDP-GalNAc:polypeptide N-acetylgalactosaminyltransferase 1
  6. pp-GaNTase 1
Gene Name GALNT1
Protein Type Unknown
Biological Properties
General Function Involved in manganese ion binding
Specific Function Catalyzes the initial reaction in O-linked oligosaccharide biosynthesis, the transfer of an N-acetyl-D-galactosamine residue to a serine or threonine residue on the protein receptor. Has a broad spectrum of substrates for peptides such as EA2, Muc5AC, Muc1a, Muc1b and Muc7.
Pathways
  • Mucin type O-glycan biosynthesis
  • protein glycosylation
Reactions
UDP-N-acetyl-alpha-D-galactosamine + polypeptide → Uridine 5'-diphosphate + N-acetyl-alpha-D-galactosaminyl-polypeptide details
UDP-N-acetyl-D-galactosamine + Protein serine → UDP + Tn antigen details
GO Classification
Biological Process
O-glycan processing
post-translational protein modification
protein O-linked glycosylation via serine
protein O-linked glycosylation via threonine
Cellular Component
Golgi cisterna membrane
perinuclear region of cytoplasm
extracellular region
integral to membrane
Golgi membrane
Molecular Function
manganese ion binding
polypeptide N-acetylgalactosaminyltransferase activity
Cellular Location
  1. Polypeptide N- acetylgalactosaminyltransferase 1 soluble form:Secreted
Gene Properties
Chromosome Location 18
Locus 18q12.1
SNPs GALNT1
Gene Sequence 
>1680 bp
ATGAGAAAATTTGCATACTGCAAGGTGGTCCTAGCCACCTCCTTGATTTGGGTACTCTTG
GATATGTTCCTGCTGCTTTACTTCAGTGAATGCAACAAATGTGATGAAAAAAAGGAGAGA
GGACTTCCTGCTGGAGATGTTCTAGAGCCAGTACAAAAGCCTCATGAAGGTCCTGGAGAA
ATGGGGAAACCAGTCGTCATTCCTAAAGAGGATCAAGAAAAGATGAAAGAGATGTTTAAA
ATCAATCAGTTCAATTTAATGGCAAGTGAGATGATTGCACTCAACAGATCTTTACCAGAT
GTTAGGTTAGAAGGGTGTAAAACAAAGGTGTATCCAGATAATCTTCCTACAACAAGTGTG
GTGATTGTTTTCCACAATGAGGCTTGGAGCACACTTCTGCGAACTGTCCATAGTGTCATT
AATCGCTCACCAAGACACATGATAGAAGAAATTGTTCTAGTAGATGATGCCAGTGAAAGA
GACTTTTTGAAAAGGCCTTTAGAGAGTTATGTGAAAAAACTAAAAGTACCAGTTCATGTA
ATTCGAATGGAACAACGTTCTGGATTGATCAGAGCTAGATTAAAAGGAGCTGCTGTGTCT
AAAGGCCAAGTGATCACCTTCCTGGATGCCCATTGTGAGTGTACAGTGGGATGGCTGGAG
CCTCTCTTGGCCAGGATCAAACATGACAGGAGAACAGTGGTGTGTCCCATCATCGATGTG
ATCAGTGATGATACTTTTGAGTACATGGCAGGCTCTGATATGACCTATGGTGGGTTCAAC
TGGAAGCTCAATTTTCGCTGGTATCCTGTTCCCCAAAGAGAAATGGACAGAAGGAAAGGT
GATCGGACTCTTCCTGTCAGGACACCTACCATGGCAGGAGGCCTTTTTTCAATAGACAGA
GATTACTTTCAGGAAATTGGAACATATGATGCTGGAATGGATATTTGGGGAGGAGAAAAC
CTAGAAATTTCCTTTAGGATTTGGCAGTGTGGAGGAACTTTGGAAATTGTTACATGCTCA
CATGTTGGACATGTGTTTCGGAAAGCTACACCTTACACGTTTCCAGGAGGCACAGGGCAG
ATTATCAATAAAAATAACAGACGACTTGCAGAAGTGTGGATGGATGAATTCAAGAATTTC
TTCTATATAATTTCTCCAGGTGTTACAAAGGTAGATTATGGAGATATATCGTCAAGAGTT
GGTCTAAGACACAAACTACAATGCAAACCTTTTTCCTGGTACCTAGAGAATATATATCCT
GATTCTCAAATTCCACGTCACTATTTCTCATTGGGAGAGATACGAAATGTGGAAACGAAT
CAGTGTCTAGATAACATGGCTAGAAAAGAGAATGAAAAAGTTGGAATTTTTAATTGCCAT
GGTATGGGGGGTAATCAGGTTTTCTCTTATACTGCCAACAAAGAAATTAGAACAGATGAC
CTTTGCTTGGATGTTTCCAAACTTAATGGCCCAGTTACAATGCTCAAATGCCACCACCTA
AAAGGCAACCAACTCTGGGAGTATGACCCAGTGAAATTAACCCTGCAGCATGTGAACAGT
AATCAGTGCCTGGATAAAGCCACAGAAGAGGATAGCCAGGTGCCCAGCATTAGAGACTGC
AATGGAAGTCGGTCCCAGCAGTGGCTTCTTCGAAACGTCACCCTGCCAGAAATATTCTGA
Protein Properties
Number of Residues 559
Molecular Weight 64218.52
Theoretical pI 7.718
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence 
>Polypeptide N-acetylgalactosaminyltransferase 1
MRKFAYCKVVLATSLIWVLLDMFLLLYFSECNKCDEKKERGLPAGDVLEPVQKPHEGPGE
MGKPVVIPKEDQEKMKEMFKINQFNLMASEMIALNRSLPDVRLEGCKTKVYPDNLPTTSV
VIVFHNEAWSTLLRTVHSVINRSPRHMIEEIVLVDDASERDFLKRPLESYVKKLKVPVHV
IRMEQRSGLIRARLKGAAVSKGQVITFLDAHCECTVGWLEPLLARIKHDRRTVVCPIIDV
ISDDTFEYMAGSDMTYGGFNWKLNFRWYPVPQREMDRRKGDRTLPVRTPTMAGGLFSIDR
DYFQEIGTYDAGMDIWGGENLEISFRIWQCGGTLEIVTCSHVGHVFRKATPYTFPGGTGQ
IINKNNRRLAEVWMDEFKNFFYIISPGVTKVDYGDISSRVGLRHKLQCKPFSWYLENIYP
DSQIPRHYFSLGEIRNVETNQCLDNMARKENEKVGIFNCHGMGGNQVFSYTANKEIRTDD
LCLDVSKLNGPVTMLKCHHLKGNQLWEYDPVKLTLQHVNSNQCLDKATEEDSQVPSIRDC
NGSRSQQWLLRNVTLPEIF
GenBank ID Protein 13124891
UniProtKB/Swiss-Prot ID Q10472
UniProtKB/Swiss-Prot Entry Name GALT1_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_020474.3
GeneCard ID GALNT1
GenAtlas ID GALNT1
HGNC ID HGNC:4123
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. Wandall HH, Hassan H, Mirgorodskaya E, Kristensen AK, Roepstorff P, Bennett EP, Nielsen PA, Hollingsworth MA, Burchell J, Taylor-Papadimitriou J, Clausen H: Substrate specificities of three members of the human UDP-N-acetyl-alpha-D-galactosamine:Polypeptide N-acetylgalactosaminyltransferase family, GalNAc-T1, -T2, and -T3. J Biol Chem. 1997 Sep 19;272(38):23503-14. [PubMed:9295285 ]
  3. Rottger S, White J, Wandall HH, Olivo JC, Stark A, Bennett EP, Whitehouse C, Berger EG, Clausen H, Nilsson T: Localization of three human polypeptide GalNAc-transferases in HeLa cells suggests initiation of O-linked glycosylation throughout the Golgi apparatus. J Cell Sci. 1998 Jan;111 ( Pt 1):45-60. [PubMed:9394011 ]
  4. White T, Bennett EP, Takio K, Sorensen T, Bonding N, Clausen H: Purification and cDNA cloning of a human UDP-N-acetyl-alpha-D-galactosamine:polypeptide N-acetylgalactosaminyltransferase. J Biol Chem. 1995 Oct 13;270(41):24156-65. [PubMed:7592619 ]
  5. Meurer JA, Naylor JM, Baker CA, Thomsen DR, Homa FL, Elhammer AP: cDNA cloning, expression, and chromosomal localization of a human UDP-GalNAc:polypeptide, N-acetylgalactosaminyltransferase. J Biochem. 1995 Sep;118(3):568-74. [PubMed:8690719 ]
  6. Meurer JA, Drong RF, Homa FL, Slightom JL, Elhammer AP: Organization of a human UDP-GalNAc:polypeptide, N-acetylgalactosaminyltransferase gene and a related processed pseudogene. Glycobiology. 1996 Mar;6(2):231-41. [PubMed:8727794 ]