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Guidelines

MIRAGE

alpha-1,3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase B

Summary

Gene Symbol

Mgat4b

Organism

Rattus norvegicus (Norway rat)

External Links

NCBI Gene

303100

KEGG Gene ID

rno:303100

PubChem

303100

Alliance of Genome Resources

RGD:1562836

Annotation

Keyword

Reference proteome
Signal

Proteins

Displaying **all 2** entries
UniProt	Protein Name
F7FHE8
B2GV39

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	PMID
protein glycosylation	ISO
protein N-linked glycosylation	ISO
protein N-linked glycosylation	IBA

GO Hierarchy

biological process

metabolic process [inference]

nitrogen compound metabolic process [inference]

organonitrogen compound metabolic process [inference]

protein metabolic process [inference]

protein modification process [inference]

protein glycosylation

protein N-linked glycosylation

primary metabolic process [inference]

protein metabolic process [inference]

protein modification process [inference]

protein glycosylation

protein N-linked glycosylation

glycosylation [inference]

macromolecule glycosylation [inference]

protein glycosylation

protein N-linked glycosylation

organic substance metabolic process [inference]

macromolecule metabolic process [inference]

protein metabolic process [inference]

protein modification process [inference]

protein glycosylation

protein N-linked glycosylation

macromolecule modification [inference]

protein modification process [inference]

protein glycosylation

protein N-linked glycosylation

macromolecule glycosylation [inference]

protein glycosylation

protein N-linked glycosylation

organonitrogen compound metabolic process [inference]

protein metabolic process [inference]

protein modification process [inference]

protein glycosylation

protein N-linked glycosylation

Displaying **all 3** entries
GO Term	Evidence Code	PMID
endoplasmic reticulum	IBA
endoplasmic reticulum-Golgi intermediate compartment	IBA
Golgi stack	IBA

GO Hierarchy

cellular component

cellular anatomical entity [inference]

organelle subcompartment [inference]

Golgi apparatus subcompartment [inference]

Golgi stack

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

Displaying **all 4** entries
GO Term	Evidence Code	PMID
acetylglucosaminyltransferase activity	ISO
acetylglucosaminyltransferase activity	IBA
alpha-1,3-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity	ISO
glycosyltransferase activity	ISO

GO Hierarchy

molecular function

catalytic activity [inference]

transferase activity [inference]

glycosyltransferase activity

UDP-glycosyltransferase activity [inference]

acetylglucosaminyltransferase activity

alpha-1,3-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity

hexosyltransferase activity [inference]

acetylglucosaminyltransferase activity

alpha-1,3-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity

catalytic activity, acting on a protein [inference]

catalytic activity, acting on a glycoprotein [inference]

alpha-1,3-mannosylglycoprotein 4-beta-N-acetylglucosaminyltransferase activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

alpha-1 3-mannosyl-glycoprotein 4-beta-N-acetylglucosaminyltransferase A

Functional Category

E: Amino acid transport and metabolism
J: Translation, ribosomal structure and biogenesis
T: Signal transduction mechanisms

Displaying **all 2** entries
Gene Ontology
acetylglucosaminyltransferase activity
protein N-linked glycosylation

Displaying 1 entry
InterPro
Glycosyl transferase family 54

KEGG BRITE Database

Orthology

K00738

Name

alpha-1,3-mannosylglycoprotein beta-1,4-N-acetylglucosaminyltransferase A/B [EC:2.4.1.145]

References

Reactions

Displaying 1 entry
KEGG Reaction	Enzyme	Acceptor	Product
R05987	2.4.1.145	G39213VZ	G29011JC

Ortholog

Displaying entries **1 - 10** of 70 in total

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Species	Gene ID	Alliance of Genome Resources	Orthologous MAtrix
Homo sapiens	11282	ZFIN:ZDB-GENE-040704-19	HUMAN82718
Drosophila melanogaster	11320	FB:FBgn0036446
Danio rerio	39608	ZFIN:ZDB-GENE-040704-19
Drosophila melanogaster	67555	FB:FBgn0036446
Mus musculus	103534	ZFIN:ZDB-GENE-040704-19	MOUSE04747
Drosophila melanogaster	152586	FB:FBgn0036446
Drosophila melanogaster	269181	FB:FBgn0036446
Danio rerio	303100	ZFIN:ZDB-GENE-040704-19
Drosophila melanogaster	304646	FB:FBgn0036446
Drosophila melanogaster	367252	FB:FBgn0036446

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GlyCosmos is a member of the GlySpace Alliance together with GlyGen and Glycomics@ExPASy.

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Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01

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GlyCosmos Portal v4.4.0

Last updated: December 8, 2025