Gene Information
Gene NameMGAT4B
OrganismHomo sapiens (Human)
Gene Length548
Protein NamesAlpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase B (EC 2.4.1.145) (N-glycosyl-oligosaccharide-glycoprotein N-acetylglucosaminyltransferase IVb) (GlcNAc-T IVb) (GnT-IVb) (N-acetylglucosaminyltransferase IVb) (UDP-N-acetylglucosamine: alpha-1,3-D-mannoside beta-1,4-N-acetylglucosaminyltransferase IVb)
Target NameNA
Target TypeNA
Gene Age680 ( ENSG00000161013 )
3 ( ENSG00000284501 )
Evolutionary StageOpisthokonta
AlphaFoldDBQ9UQ53
Gene CardMGAT4B
Uniprot IDQ9UQ53
PfamNA
In ASDno
Allosteric Predictionno (-1.151553234)
Ortholog in AnimalsAlpaca_ MGAT4B ( ortholog_one2one )
Dog_ MGAT4B ( ortholog_one2one )
GuineaPig_ MGAT4B ( ortholog_one2one )
Macaque_ MGAT4B ( ortholog_one2one )
Mouse_ Mgat4b ( ortholog_one2one )
Pig_ MGAT4B ( ortholog_one2one )
Rat_ Mgat4b ( ortholog_one2one )
Rabbit_ MGAT4B ( ortholog_one2one )
OhnologsMGAT4A
ParalogsMGAT4A, MGAT4C, MGAT4D
TissueNA
Tissue SpecificityWidely expressed. Strongly overexpressed in pancreatic cancer. {ECO:0000269|PubMed:10372966}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs190631  rs17854722 
Subcellular location [CC]Golgi apparatus membrane {ECO:0000250|UniProtKB:Q9D4R2};
Single-pass type II membrane protein {ECO:0000250|UniProtKB:Q9D4R2}. Note=A processed soluble form also exists. {ECO:0000269|PubMed:17006639}.
Mouse PG classificationNA
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