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Identification
HMDB Protein ID HMDBP01709
Secondary Accession Numbers
  • 7047
Name Beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase
Synonyms
  1. GNT-III
  2. GlcNAc-T III
  3. N-acetylglucosaminyltransferase III
  4. N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase III
Gene Name MGAT3
Protein Type Enzyme
Biological Properties
General Function Involved in beta-1,4-mannosylglycoprotein 4-beta-N-acet
Specific Function It is involved in the regulation of the biosynthesis and biological function of glycoprotein oligosaccharides. Catalyzes the addition of N-acetylglucosamine in beta 1-4 linkage to the beta-linked mannose of the trimannosyl core of N-linked sugar chains. It is one of the most important enzymes involved in the regulation of the biosynthesis of glycoprotein oligosaccharides.
Pathways
  • N-Glycan biosynthesis
  • protein glycosylation
Reactions
Uridine diphosphate-N-acetylglucosamine + beta-D-mannosyl-R → Uridine 5'-diphosphate + 4-(N-acetyl-beta-D-glucosaminyl)-beta-D-mannosyl-R details
UDP-N-acetyl-D-glucosamine + → UDP + details
GO Classification
Biological Process
post-translational protein modification
protein N-linked glycosylation via asparagine
Cellular Component
integral to membrane
Golgi membrane
Component
membrane
cell part
Function
catalytic activity
transferase activity
beta-1,4-mannosylglycoprotein 4-beta-n-acetylglucosaminyltransferase activity
acetylglucosaminyltransferase activity
udp-glycosyltransferase activity
transferase activity, transferring glycosyl groups
Molecular Function
beta-1,4-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity
Process
metabolic process
macromolecule metabolic process
macromolecule modification
protein modification process
protein amino acid glycosylation
protein amino acid n-linked glycosylation
Cellular Location
  1. Golgi apparatus membrane
  2. Single-pass type II membrane protein
Gene Properties
Chromosome Location 22
Locus 22q13.1
SNPs MGAT3
Gene Sequence
>1602 bp
ATGAAGATGAGACGCTACAAGCTCTTTCTCATGTTCTGTATGGCCGGCCTGTGCCTCATC
TCCTTCCTGCACTTCTTCAAGACCCTGTCCTATGTCACCTTCCCCCGAGAACTGGCCTCC
CTCAGCCCTAACCTGGTGTCCAGCTTTTTCTGGAACAATGCCCCGGTCACGCCCCAGGCC
AGCCCCGAGCCAGGAGGCCCTGACCTGCTGCGTACCCCACTCTACTCCCACTCGCCCCTG
CTGCAGCCGCTGCCGCCCAGCAAGGCGGCCGAGGAGCTCCACCGGGTGGACTTGGTGCTG
CCCGAGGACACCACCGAGTATTTCGTGCGCACCAAGGCCGGCGGCGTCTGCTTCAAACCC
GGCACCAAGATGCTGGAGAGGCCGCCCCCGGGACGGCCGGAGGAGAAGCCTGAGGGGGCC
AACGGCTCCTCGGCCCGGCGGCCACCCCGGTACCTCCTGAGCGCCCGGGAGCGCACGGGG
GGCCGAGGCGCCCGGCGCAAGTGGGTGGAGTGCGTGTGCCTGCCCGGCTGGCACGGACCC
AGCTGCGGCGTGCCCACTGTGGTGCAGTACTCCAACCTGCCCACCAAGGAGCGGCTGGTG
CCCAGGGAGGTGCCGCGCCGCGTCATCAACGCCATCAACGTCAACCACGAGTTCGACCTG
CTGGACGTGCGCTTCCACGAGCTGGGCGACGTGGTGGACGCCTTTGTGGTGTGCGAGTCC
AACTTCACGGCTTATGGGGAGCCGCGGCCGCTCAAGTTCCGGGAGATGCTGACCAATGGC
ACCTTCGAGTACATCCGCCACAAGGTGCTCTATGTCTTCCTGGACCACTTCCCGCCCGGC
GGCCGGCAGGACGGCTGGATCGCCGACGACTACCTGCGCACCTTCCTCACCCAGGACGGC
GTCTCGCGGCTGCGCAACCTGCGGCCCGACGACGTCTTCATCATTGACGATGCGGACGAG
ATCCCGGCCCGTGACGGCGTCCTTTTCCTCAAGCTCTACGATGGCTGGACCGAGCCCTTC
GCCTTCCACATGCGCAAGTCGCTCTACGGCTTCTTCTGGAAGCAGCCGGGCACCCTGGAG
GTGGTGTCAGGCTGCACGGTGGACATGCTGCAGGCAGTGTATGGGCTGGACGGCATCCGC
CTGCGCCGCCGCCAGTACTACACCATGCCCAACTTCAGACAGTATGAGAACCGCACCGGC
CACATCCTGGTGCAGTGGTCGCTGGGCAGCCCCCTGCACTTCGCCGGCTGGCACTGCTCC
TGGTGCTTCACGCCCGAGGGCATCTACTTCAAGCTCGTGTCCGCCCAGAATGGCGACTTC
CCACGCTGGGGTGACTACGAGGACAAGCGGGACCTGAACTACATCCGCGGCCTGATCCGC
ACCGGGGGCTGGTTCGACGGCACGCAGCAGGAGTACCCGCCTGCAGACCCCAGCGAGCAC
ATGTATGCGCCCAAGTACCTGCTGAAGAACTACGACCGGTTCCACTACCTGCTGGACAAC
CCCTACCAGGAGCCCAGGAGCACGGCGGCGGGCGGGTGGCGCCACAGGGGTCCCGAGGGA
AGGCCGCCCGCCCGGGGCAAACTGGACGAGGCGGAAGTCTAG
Protein Properties
Number of Residues 533
Molecular Weight 61312.45
Theoretical pI 8.278
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Beta-1,4-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase
MKMRRYKLFLMFCMAGLCLISFLHFFKTLSYVTFPRELASLSPNLVSSFFWNNAPVTPQA
SPEPGGPDLLRTPLYSHSPLLQPLPPSKAAEELHRVDLVLPEDTTEYFVRTKAGGVCFKP
GTKMLERPPPGRPEEKPEGANGSSARRPPRYLLSARERTGGRGARRKWVECVCLPGWHGP
SCGVPTVVQYSNLPTKERLVPREVPRRVINAINVNHEFDLLDVRFHELGDVVDAFVVCES
NFTAYGEPRPLKFREMLTNGTFEYIRHKVLYVFLDHFPPGGRQDGWIADDYLRTFLTQDG
VSRLRNLRPDDVFIIDDADEIPARDGVLFLKLYDGWTEPFAFHMRKSLYGFFWKQPGTLE
VVSGCTVDMLQAVYGLDGIRLRRRQYYTMPNFRQYENRTGHILVQWSLGSPLHFAGWHCS
WCFTPEGIYFKLVSAQNGDFPRWGDYEDKRDLNYIRGLIRTGGWFDGTQQEYPPADPSEH
MYAPKYLLKNYDRFHYLLDNPYQEPRSTAAGGWRHRGPEGRPPARGKLDEAEV
GenBank ID Protein 56202888
UniProtKB/Swiss-Prot ID Q09327
UniProtKB/Swiss-Prot Entry Name MGAT3_HUMAN
PDB IDs Not Available
GenBank Gene ID AL022312
GeneCard ID MGAT3
GenAtlas ID Not Available
HGNC ID HGNC:7046
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. Dunham I, Shimizu N, Roe BA, Chissoe S, Hunt AR, Collins JE, Bruskiewich R, Beare DM, Clamp M, Smink LJ, Ainscough R, Almeida JP, Babbage A, Bagguley C, Bailey J, Barlow K, Bates KN, Beasley O, Bird CP, Blakey S, Bridgeman AM, Buck D, Burgess J, Burrill WD, O'Brien KP, et al.: The DNA sequence of human chromosome 22. Nature. 1999 Dec 2;402(6761):489-95. [PubMed:10591208 ]
  3. Collins JE, Wright CL, Edwards CA, Davis MP, Grinham JA, Cole CG, Goward ME, Aguado B, Mallya M, Mokrab Y, Huckle EJ, Beare DM, Dunham I: A genome annotation-driven approach to cloning the human ORFeome. Genome Biol. 2004;5(10):R84. Epub 2004 Sep 30. [PubMed:15461802 ]
  4. Ihara Y, Nishikawa A, Tohma T, Soejima H, Niikawa N, Taniguchi N: cDNA cloning, expression, and chromosomal localization of human N-acetylglucosaminyltransferase III (GnT-III). J Biochem. 1993 Jun;113(6):692-8. [PubMed:8370666 ]