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MIRAGE

Dolichyl-diphosphooligosaccharide--protein glycosyltransferase subunit STT3B

Summary

UniProt ID: Q9FX21
Gene Symbol: STT3B At1g34130 F12G12.5
Gene ID: 840312
Organism: Arabidopsis thaliana (thale cress)

External Links

Re-Glyco: Q9FX21

Annotation

Keyword: Endoplasmic reticulum Glycoprotein Glycosyltransferase Magnesium Manganese Metal-binding Reference proteome Transmembrane helix

Gene Ontology (GO)

Displaying **all 3** entries
GO Term	Evidence Code	Reference
nucleus	HDA	PMID
endoplasmic reticulum	HDA	PMID PMID
endoplasmic reticulum membrane	IEA	GO_REF

GO Hierarchy

cellular component

cellular anatomical structure [inference]

membrane [inference]

organelle membrane [inference]

endoplasmic reticulum membrane

organelle [inference]

membrane-bounded organelle [inference]

intracellular membrane-bounded organelle [inference]

intracellular organelle [inference]

intracellular membrane-bounded organelle [inference]

Displaying **all 3** entries
GO Term	Evidence Code	Reference
dolichyl-diphosphooligosaccharide-protein glycotransferase activity	ISS	GO_REF
dolichyl-diphosphooligosaccharide-protein glycotransferase activity	IEA	GO_REF GO_REF
metal ion binding

GO Hierarchy

molecular function

catalytic activity [inference]

transferase activity [inference]

glycosyltransferase activity [inference]

hexosyltransferase activity [inference]

oligosaccharyl transferase activity [inference]

dolichyl-diphosphooligosaccharide-protein glycotransferase activity

binding [inference]

small molecule binding [inference]

ion binding [inference]

cation binding [inference]

metal ion binding

Gene Ontology information from UniProt.

Annotation information from UniProt.

Sequence

MGGKSEPAKSESMATKPDLLNTSFFSFKSLKLKTKQQELLLRISILGLVYILAFIARLFSVLRYESMIHEFDPYFNYRTTLFLTEKGFYEFWNWFDSESWYPLGRIIGGTLYPGLMVTAALIYWTLRFLRFFVHIREVCVLTAPFFASNTTLVAYFFGKELWDTGAGLVAAVLIAICPGYISRSVAGSYDNEAVAIFALLLTFYLFVKAVNTGSLAWALASAFGYFYMVSAWGGYVFIINLVPLYVLVLLITGRYSMRLYIAYNCMYILGMLLAMQIRFVGFQHVQSGEHMGAMGVFLLMQVFYFLDWVKYQLNDTKLFQTFLRITVTSAILVGGVAVGVGTASGYISPWTGRFYSLLDPTYAKDHIPIIASVSEHQPTAWSSFMFDYHILLFLFPAGLYFCFKRLTDATIFIVMYGLTSLYFAGVMVRLILVATPAVCLISAIAVSATIKNLTSLLRTKQKVSQTGSTKGAGSSKASSKVTLDQSQPFQKNGAIALLVGVFYLLSRYAIHCTWVTAEAYSSPSIVLAARGAHGNRIIFDDYREAYYWLRQNTATDAKIMSWWDYGYQITAMGNRTVIVDNNTWNNTHIATVGRAMSSYEDDAYDIMRSLDVNYVLVVFGGVTGYSSDDINKFLWMVRIGGGVFPVIKEPDYLVNGEFRVDKGASPKMLNCLMYKLCYYRFGELTTEYGKPPGYDRARGVEIGNKDIKLEHLEEAYTTSNWIVRIYRVKPPTNRL

N : N-glycosylation Site
___ : Potential Sequon

Glycosylation Sites

Displaying **all 3** entries
Position	Description	PubMed ID	GlyTouCan ID	Source
574	N-linked (GlcNAc...) asparagine			UniProt
581	N-linked (GlcNAc...) asparagine			UniProt
585	N-linked (GlcNAc...) (high mannose) asparagine			UniProt

Feature

: Glycosylation Site from GlyGen
: Glycosylation Site from UniProt

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

Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

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

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Last updated: April 6, 2026