UDP-N-acetylhexosamine pyrophosphorylase

Details

Name
UDP-N-acetylhexosamine pyrophosphorylase
Synonyms
  • AGX
  • Antigen X
  • SPAG2
  • Sperm-associated antigen 2
Gene Name
UAP1
Organism
Humans
Amino acid sequence
>lcl|BSEQ0002837|UDP-N-acetylhexosamine pyrophosphorylase
MNINDLKLTLSKAGQEHLLRFWNELEEAQQVELYAELQAMNFEELNFFFQKAIEGFNQSS
HQKNVDARMEPVPREVLGSATRDQDQLQAWESEGLFQISQNKVAVLLLAGGQGTRLGVAY
PKGMYDVGLPSRKTLFQIQAERILKLQQVAEKYYGNKCIIPWYIMTSGRTMESTKEFFTK
HKYFGLKKENVIFFQQGMLPAMSFDGKIILEEKNKVSMAPDGNGGLYRALAAQNIVEDME
QRGIWSIHVYCVDNILVKVADPRFIGFCIQKGADCGAKVVEKTNPTEPVGVVCRVDGVYQ
VVEYSEISLATAQKRSSDGRLLFNAGNIANHFFTVPFLRDVVNVYEPQLQHHVAQKKIPY
VDTQGQLIKPDKPNGIKMEKFVFDIFQFAKKFVVYEVLREDEFSPLKNADSQNGKDNPTT
ARHALMSLHHCWVLNAGGHFIDENGSRLPAIPRSATNGKSETITADVNHNLKDANDVPIQ
CEISPLISYAGEGLESYVADKEFHAPLIIDENGVHELVKNGI
Number of residues
522
Molecular Weight
58768.705
Theoretical pI
6.29
GO Classification
Functions
carbohydrate binding / identical protein binding / UDP-N-acetylglucosamine diphosphorylase activity
Processes
cellular protein metabolic process / dolichol-linked oligosaccharide biosynthetic process / post-translational protein modification / protein N-linked glycosylation via asparagine / UDP-N-acetylglucosamine biosynthetic process
Components
cytoplasm / cytosol / nucleoplasm / plasma membrane
General Function
Udp-n-acetylglucosamine diphosphorylase 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.
Pfam Domain Function
Transmembrane Regions
Not Available
Cellular Location
Cytoplasm
Gene sequence
>lcl|BSEQ0011002|UDP-N-acetylhexosamine pyrophosphorylase (UAP1)
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
Chromosome Location
1
Locus
1q23.3
External Identifiers
ResourceLink
UniProtKB IDQ16222
UniProtKB Entry NameUAP1_HUMAN
GenBank Protein ID7717462
GenBank Gene IDS73498
GenAtlas IDUAP1
HGNC IDHGNC:12457
General References
  1. Diekman AB, Goldberg E: Characterization of a human antigen with sera from infertile patients. Biol Reprod. 1994 May;50(5):1087-93. [Article]
  2. Mio T, Yabe T, Arisawa M, Yamada-Okabe H: The eukaryotic UDP-N-acetylglucosamine pyrophosphorylases. Gene cloning, protein expression, and catalytic mechanism. J Biol Chem. 1998 Jun 5;273(23):14392-7. [Article]
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  6. Wang-Gillam A, Pastuszak I, Elbein AD: A 17-amino acid insert changes UDP-N-acetylhexosamine pyrophosphorylase specificity from UDP-GalNAc to UDP-GlcNAc. J Biol Chem. 1998 Oct 16;273(42):27055-7. [Article]
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  9. Peneff C, Ferrari P, Charrier V, Taburet Y, Monnier C, Zamboni V, Winter J, Harnois M, Fassy F, Bourne Y: Crystal structures of two human pyrophosphorylase isoforms in complexes with UDPGlc(Gal)NAc: role of the alternatively spliced insert in the enzyme oligomeric assembly and active site architecture. EMBO J. 2001 Nov 15;20(22):6191-202. [Article]

Drug Relations

Drug Relations
DrugBank IDNameDrug groupPharmacological action?ActionsDetails
DB02196Uridine-Diphosphate-N-AcetylgalactosamineexperimentalunknownDetails
DB03397Uridine-Diphosphate-N-AcetylglucosamineexperimentalunknownDetails