Identification
BMDB Protein ID BMDBP00842
Secondary Accession Numbers None
Name Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit
Synonyms Not Available
Gene Name DDOST
Protein Type Enzyme
Biological Properties
General Function Involved in dolichyl-diphosphooligosaccharide-protein g
Specific Function Subunit of the oligosaccharyl transferase (OST) complex that catalyzes the initial transfer of a defined glycan (Glc(3)Man(9)GlcNAc(2) in eukaryotes) from the lipid carrier dolichol-pyrophosphate to an asparagine residue within an Asn-X-Ser/Thr consensus motif in nascent polypeptide chains, the first step in protein N-glycosylation. N-glycosylation occurs cotranslationally and the complex associates with the Sec61 complex at the channel-forming translocon complex that mediates protein translocation across the endoplasmic reticulum (ER). All subunits are required for a maximal enzyme activity (By similarity). Required for the assembly of both SST3A- and SS3B-containing OST complexes (By similarity).
Pathways
  • Protein glycosylation
  • Protein modification
Reactions Not Available
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location 2
Locus Not Available
SNPs DDOST
Gene Sequence
>1320 bp
ATGGCGACCCGCGCGGCCCGTGTGTGGTCCGGCTGGTGGCTGCTGCTGCTGCCTTTGCTT
GGCCTGGCCGGCGCCAGCGGTCCCCGCACCTTGGTACTGCTGGACAACCTCAACCTCCGG
GAGACGCATTCGCTTTTCTTCCGGAGCCTGAAGGATCGCGGCTTTGTACTCACATTCAAG
ACCGCAGATGACCCCAGCCTGTCCCTCATTAAGTACGGGGAGTTTCTTTATGACAATCTC
ATCATTTTCTCCCCTTCGGTAGAAGATTTTGGAGGAAATATCAACGTGGAGACCATCAGT
GCCTTTATCGACGGTGGAGGCAGTGTCCTGGTGGCTGCCGGCTCAGACATCGGCGACCCT
CTCCGAGAGCTGGGCAGTGAGTGTGGGATTGAGTTCGACGAGGAGAAAACAGCTGTCATC
GATCATCACAACTATGACGTCTCAGACCTTGGCCAGCACACGCTCATCGTGGCCGACACA
GAGAACCTGCTGAAGGCCCCCACCATCGTTGGGAAATCATCTCTGAATCCCATCCTCTTT
CGGGGCGTGGGTATGGTGGCCGACCCTGACAATCCTTTGGTGCTGGACATCCTGACGGGC
TCTTCCACCTCTTACTCCTTCTTCCCGGATAAACCCATCACCCAGTACCCGCACGCCGTG
GGGAAGAACACCCTTCTCATCGCGGGGCTGCAGGCCCGGAACAACGCCCGGGTCATCTTC
AGCGGCTCCCTTGACTTCTTCAGCGATGCCTTCTTCAACTCAGCGGTGCAGAAGGCTGCA
CCCGGCTCCCAGAGGTATTCCCAGACTGGCAACTACGAGCTGGCTGTGGCCCTTTCCCGC
TGGGTGTTCAAGGAGGAGGGGGTCCTCCGGGTGGGGCCCGTGTCCCATCATCGGGTGGGC
GAGACAGCGCCACCCAACGCCTACACCGTCACTGACCTAGTGGAATACAGCATCGTCATT
GAACAGCTCTCAGATGGAAAGTGGGTCCCATTTGATGGCGATGACATTCAGCTGGAGTTT
GTCCGCATCGATCCTTTTGTGAGGACCTTCTTGAAGAGGAAAGGTGGCAAATACAGCGTC
CAGTTCAAGTTGCCTGATGTGTACGGTGTGTTCCAGTTCAAAGTGGATTACAACCGGCTA
GGCTACACGCACCTGTACTCCTCCACTCAGGTGTCCGTGCGGCCGCTGCAGCACACGCAG
TACGAGCGCTTCATCCCCTCGGCCTACCCCTACTACGCCAGCGCCTTCTCCATGATGCTC
GGGCTCTTCATCTTCAGCGTCGTCTTCCTGCACATGAAGGAGAAGGAGAAGTCCGACTGA
Protein Properties
Number of Residues 439
Molecular Weight 48791.0
Theoretical pI 5.61
Pfam Domain Function Not Available
Signals
  • 1-26
Transmembrane Regions
  • 410-430
Protein Sequence
>Dolichyl-diphosphooligosaccharide--protein glycosyltransferase 48 kDa subunit
MATRAARVWSGWWLLLLPLLGLAGASGPRTLVLLDNLNLRETHSLFFRSLKDRGFVLTFK
TADDPSLSLIKYGEFLYDNLIIFSPSVEDFGGNINVETISAFIDGGGSVLVAASSDIGDP
LRELGSECGIEFDEEKTAVIDHHNYDVSDLGQHTLIVADTENLLKAPTIVGKSSLNPILF
RGVGMVADPDNPLVLDILTGSSTSYSFFPDKPITQYPHAVGKNTLLIAGLQARNNARVIF
SGSLDFFSDAFFNSAVQKAAPGSQRYSQTGNYELAVALSRWVFKEEGVLRVGPVSHHRVG
ETAPPNAYTVTDLVEYSIVIEQLSDGKWVPFDGDDIQLEFVRIDPFVRTFLKRKGGKYSV
QFKLPDVYGVFQFKVDYNRLGYTHLYSSTQVSVRPLQHTQYERFIPSAYPYYASAFSMML
GLFIFSVVFLHMKEKEKSD
GenBank ID Protein AAI49547.1
UniProtKB/Swiss-Prot ID A6QPY0
UniProtKB/Swiss-Prot Entry Name OST48_BOVIN
PDB IDs Not Available
GenBank Gene ID BC149546
GeneCard ID DDOST
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available