Hmdb loader
Identification
HMDB Protein ID HMDBP01079
Secondary Accession Numbers
  • 6368
Name UDP-N-acetylhexosamine pyrophosphorylase
Synonyms
  1. AGX
  2. AGX-1
  3. AGX-2
  4. Antigen X
  5. Sperm-associated antigen 2
  6. UDP-N-acetylgalactosamine pyrophosphorylase
  7. UDP-N-acetylglucosamine pyrophosphorylase
Gene Name UAP1
Protein Type Enzyme
Biological Properties
General Function Involved in nucleotidyltransferase activity
Specific Function Converts UDP and GlcNAc-1-P into UDP-GlcNAc, and UDP and GalNAc-1-P into UDP-GalNAc. Isoform AGX1 has 2 to 3 times higher activity towards GalNAc-1-P, while isoform AGX2 has 8 times more activity towards GlcNAc-1-P.
Pathways
  • Amino sugar and nucleotide sugar metabolism
  • Amino Sugar Metabolism
  • G(M2)-Gangliosidosis: Variant B, Tay-sachs disease
  • Salla Disease/Infantile Sialic Acid Storage Disease
  • Sialuria or French Type Sialuria
  • Tay-Sachs Disease
  • UDP-N-acetyl-alpha-D-glucosamine biosynthesis
Reactions
Uridine triphosphate + N-acetyl-alpha-D-galactosamine 1-phosphate → Pyrophosphate + UDP-N-acetyl-alpha-D-galactosamine details
Uridine triphosphate + N-Acetyl-glucosamine 1-phosphate → Pyrophosphate + Uridine diphosphate-N-acetylglucosamine details
GO Classification
Biological Process
dolichol-linked oligosaccharide biosynthetic process
post-translational protein modification
protein N-linked glycosylation via asparagine
UDP-N-acetylglucosamine biosynthetic process
Cellular Component
cytosol
plasma membrane
nucleus
Function
catalytic activity
transferase activity
transferase activity, transferring phosphorus-containing groups
nucleotidyltransferase activity
Molecular Function
UDP-N-acetylglucosamine diphosphorylase activity
Process
metabolic process
Cellular Location
  1. Cytoplasm
Gene Properties
Chromosome Location 1
Locus 1q23.3
SNPs UAP1
Gene Sequence
>1518 bp
ATGAACATTAATGACCTCAAACTCACGTTGTCCAAAGCTGGGCAAGAGCACCTACTACGT
TTCTGGAATGAGCTTGAAGAAGCCCAACAGGTAGAACTTTATGCAGAGCTCCAGGCCATG
AACTTTGAGGAGCTGAACTTCTTTTTCCAAAAGGCCATTGAAGGTTTTAACCAGTCTTCT
CACCAAAAGAATGTGGATGCACGAATGGAACCTGTGCCTCGAGAGGTATTAGGCAGTGCT
ACAAGGGATCAAGATCAGCTCCAGGCCTGGGAAAGTGAAGGACTTTTCCAGATTTCTCAG
AATAAAGTAGCAGTTCTTCTTCTAGCTGGTGGGCAGGGGACAAGACTCGGCGTTGCATAT
CCTAAGGGGATGTATGATGTTGGTTTGCCATCCCGTAAGACACTTTTTCAGATTCAAGCA
GAGCGTATCCTGAAGCTACAGCAGGTTGCTGAAAAATATTATGGCAACAAATGCATTATT
CCATGGTATATAATGACCAGTGGCAGAACAATGGAATCTACAAAGGAGTTCTTCACCAAG
CACAAGTACTTTGGTTTAAAAAAAGAGAATGTAATCTTTTTTCAGCAAGGAATGCTCCCC
GCCATGAGTTTTGATGGGAAAATTATTTTGGAAGAGAAGAACAAAGTTTCTATGGCTCCA
GATGGGAATGGTGGTCTTTATCGGGCACTTGCAGCCCAGAATATTGTGGAGGATATGGAG
CAAAGAGGCATTTGGAGCATTCATGTCTATTGTGTTGACAACATATTAGTAAAAGTGGCA
GACCCACGGTTCATTGGATTTTGCATTCAGAAAGGAGCAGACTGTGGAGCAAAGGTGGTA
GAGAAAACGAACCCTACAGAACCAGTTGGAGTGGTTTGCCGAGTGGATGGAGTTTACCAG
GTGGTAGAATATAGTGAGATTTCCCTGGCAACAGCTCAAAAACGAAGCTCAGACGGACGA
CTGCTGTTCAATGCGGGGAACATTGCCAACCATTTCTTCACTGTACCATTTCTGAGAGAT
GTTGTCAATGTTTATGAACCTCAGTTGCAGCACCATGTGGCTCAAAAGAAGATTCCTTAT
GTGGATACCCAAGGACAGTTAATTAAGCCAGACAAACCCAATGGAATAAAGATGGAAAAA
TTTGTCTTTGACATCTTCCAGTTTGCAAAGAAGTTTGTGGTATATGAAGTATTGCGAGAA
GATGAGTTTTCCCCACTAAAGAATGCTGATAGTCAGAATGGGAAAGACAACCCTACTACT
GCAAGGCATGCTTTGATGTCCCTTCATCATTGCTGGGTCCTCAATGCAGGGGGCCATTTC
ATAGATGAAAATGGCTCTCGCCTTCCAGCAATTCCCCGCTTGAAGGATGCCAATGATGTA
CCAATCCAATGTGAAATCTCTCCTCTTATCTCCTATGCTGGAGAAGGATTAGAAAGTTAT
GTGGCAGATAAAGAATTCCATGCACCTCTAATCATCGATGAGAATGGAGTTCATGAGCTG
GTGAAAAATGGTATTTGA
Protein Properties
Number of Residues 522
Molecular Weight 57027.91
Theoretical pI 6.375
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>UDP-N-acetylhexosamine pyrophosphorylase
MNINDLKLTLSKAGQEHLLRFWNELEEAQQVELYAELQAMNFEELNFFFQKAIEGFNQSS
HQKNVDARMEPVPREVLGSATRDQDQLQAWESEGLFQISQNKVAVLLLAGGQGTRLGVAY
PKGMYDVGLPSRKTLFQIQAERILKLQQVAEKYYGNKCIIPWYIMTSGRTMESTKEFFTK
HKYFGLKKENVIFFQQGMLPAMSFDGKIILEEKNKVSMAPDGNGGLYRALAAQNIVEDME
QRGIWSIHVYCVDNILVKVADPRFIGFCIQKGADCGAKVVEKTNPTEPVGVVCRVDGVYQ
VVEYSEISLATAQKRSSDGRLLFNAGNIANHFFTVPFLRDVVNVYEPQLQHHVAQKKIPY
VDTQGQLIKPDKPNGIKMEKFVFDIFQFAKKFVVYEVLREDEFSPLKNADSQNGKDNPTT
ARHALMSLHHCWVLNAGGHFIDENGSRLPAIPRSATNGKSETITADVNHNLKDANDVPIQ
CEISPLISYAGEGLESYVADKEFHAPLIIDENGVHELVKNGI
GenBank ID Protein 156627575
UniProtKB/Swiss-Prot ID Q16222
UniProtKB/Swiss-Prot Entry Name UAP1_HUMAN
PDB IDs
GenBank Gene ID NM_003115
GeneCard ID UAP1
GenAtlas ID UAP1
HGNC ID HGNC:12457
References
General References
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