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Showing Protein N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase (HMDBP01704)

IdentificationBiological propertiesGene propertiesProtein propertiesExternal linksReferencesXMLShow 3 metabolites
Identification
HMDB Protein ID HMDBP01704
Secondary Accession Numbers
  • 7042
Name N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase
Synonyms
  1. I-beta-1,3-N-acetylglucosaminyltransferase
  2. Poly-N-acetyllactosamine extension enzyme
  3. UDP-GlcNAc:betaGal beta-1,3-N-acetylglucosaminyltransferase 1
  4. iGnT
Gene Name B3GNT1
Protein Type Enzyme
Biological Properties
General Function Involved in N-acetyllactosaminide beta-1,3-N-acetylgluc
Specific Function Can initiate the synthesis or the elongation of the linear poly-N-acetyllactosaminoglycans.
Pathways
  • Glycosaminoglycan biosynthesis - keratan sulfate
  • Glycosphingolipid biosynthesis - lacto and neolacto series
  • protein glycosylation
Reactions
Uridine diphosphate-N-acetylglucosamine + beta-D-galactosyl-(1->4)-N-acetyl-D-glucosaminyl-R → Uridine 5'-diphosphate + N-acetyl-beta-D-glucosaminyl-(1->3)-beta-D-galactosyl-(1->4)-N-acetyl-D-glucosaminyl-R details
UDP-N-acetyl-D-glucosamine + nLc6Cer → UDP + nLc7Cer details
UDP-N-acetyl-D-glucosamine + Paragloboside → UDP + nLc5Cer details
GO Classification
Biological Process
keratan sulfate biosynthetic process
poly-N-acetyllactosamine biosynthetic process
protein glycosylation
Cellular Component
integral to Golgi membrane
Molecular Function
N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase activity
Cellular Location
  1. Golgi apparatus membrane
  2. Single-pass type II membrane protein
Gene Properties
Chromosome Location 11
Locus 11q13.2
SNPs B3GNT1
Gene Sequence 
>1248 bp
ATGCAGATGTCCTACGCCATCCGGTGCGCCTTCTACCAGCTGCTGCTGGCCGCGCTCATG
CTGGTGGCGATGCTGCAGCTGCTCTACCTGTCGCTGCTGTCCGGACTGCACGGGCAGGAG
GAGCAAGACCAATATTTTGAGTTCTTTCCCCCGTCCCCACGGTCCGTGGACCAGGTCAAG
GCGCAGCTCCGCACCGCGCTGGCCTCTGGAGGCGTCCTGGACGCTAGCGGCGATTACCGC
GTCTACAGGGGCCTGCTGAAGACCACCATGGACCCCAACGATGTGATCCTGGCCACGCAC
GCCAGCGTGGACAACCTGCTGCACCTGTCGGGTCTGCTGGAGCGCTGGGAGGGCCCGCTG
TCCGTGTCGGTGTTCGCGGCCACCAAGGAGGAGGCGCAGCTGGCCACGGTGCTGGCCTAC
GCGCTGAGCAGCCACTGCCCCGACATGCGCGCCAGGGTCGCCATGCACCTCGTGTGCCCC
TCGCGTTACGAGGCAGCCGTGCCCGACCCCCGGGAGCCGGGGGAGTTTGCCCTGCTGCGG
TCCTGCCAGGAGGTCTTTGACAAGCTAGCCAGGGTGGCCCAGCCCGGGATTAATTATGCG
CTGGGCACCAATGTCTCCTACCCCAATAACCTGCTGAGGAATCTGGCTCGTGAGGGGGCC
AACTATGCCCTGGTGATCGATGTGGACATGGTGCCCAGCGAGGGGCTGTGGAGAGGCCTG
CGGGAAATGCTGGATCAGAGCAACCAGTGGGGAGGCACCGCGCTGGTGGTGCCTGCCTTC
GAAATCCGAAGAGCCCGCCGCATGCCCATGAACAAAAACGAGCTGGTGCAGCTCTACCAG
GTTGGCGAGGTGCGGCCCTTCTATTATGGGTTGTGCACCCCCTGCCAGGCACCCACCAAC
TATTCCCGCTGGGTCAACCTGCCGGAAGAGAGCTTGCTGCGGCCCGCCTACGTGGTACCT
TGGCAGGACCCCTGGGAGCCATTCTACGTGGCAGGAGGCAAGGTGCCCACCTTCGACGAG
CGCTTTCGGCAGTACGGCTTCAACCGAATCAGCCAGGCCTGCGAGCTGCATGTGGCGGGG
TTTGATTTTGAGGTCCTGAACGAAGGTTTCTTGGTTCATAAGGGCTTCAAAGAAGCGTTG
AAGTTCCATCCCCAAAAGGAGGCTGAAAATCAGCACAATAAGATCCTATATCGCCAGTTC
AAACAGGAGTTGAAGGCCAAGTACCCCAACTCTCCCCGACGCTGCTGA
Protein Properties
Number of Residues 415
Molecular Weight 47118.67
Theoretical pI 7.199
Pfam Domain Function Not Available
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence 
>N-acetyllactosaminide beta-1,3-N-acetylglucosaminyltransferase
MQMSYAIRCAFYQLLLAALMLVAMLQLLYLSLLSGLHGQEEQDQYFEFFPPSPRSVDQVK
AQLRTALASGGVLDASGDYRVYRGLLKTTMDPNDVILATHASVDNLLHLSGLLERWEGPL
SVSVFAATKEEAQLATVLAYALSSHCPDMRARVAMHLVCPSRYEAAVPDPREPGEFALLR
SCQEVFDKLARVAQPGINYALGTNVSYPNNLLRNLAREGANYALVIDVDMVPSEGLWRGL
REMLDQSNQWGGTALVVPAFEIRRARRMPMNKNELVQLYQVGEVRPFYYGLCTPCQAPTN
YSRWVNLPEESLLRPAYVVPWQDPWEPFYVAGGKVPTFDERFRQYGFNRISQACELHVAG
FDFEVLNEGFLVHKGFKEALKFHPQKEAENQHNKILYRQFKQELKAKYPNSPRRC
GenBank ID Protein 2745741
UniProtKB/Swiss-Prot ID O43505
UniProtKB/Swiss-Prot Entry Name B3GN1_HUMAN
PDB IDs Not Available
GenBank Gene ID AF029893
GeneCard ID B3GNT1
GenAtlas ID B3GNT1
HGNC ID HGNC:15685
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. Sasaki K, Kurata-Miura K, Ujita M, Angata K, Nakagawa S, Sekine S, Nishi T, Fukuda M: Expression cloning of cDNA encoding a human beta-1,3-N-acetylglucosaminyltransferase that is essential for poly-N-acetyllactosamine synthesis. Proc Natl Acad Sci U S A. 1997 Dec 23;94(26):14294-9. [PubMed:9405606 ]