Gene Information
Gene NameEXT2
OrganismHomo sapiens (Human)
Gene Length718
Protein NamesExostosin-2 (EC 2.4.1.224) (EC 2.4.1.225) (Glucuronosyl-N-acetylglucosaminyl-proteoglycan/N-acetylglucosaminyl-proteoglycan 4-alpha-N-acetylglucosaminyltransferase) (Multiple exostoses protein 2) (Putative tumor suppressor protein EXT2)
Target NameNA
Target TypeNA
Gene Age987 ( ENSG00000151348 )
Evolutionary StageEukaryota
AlphaFoldDBQ93063
Gene CardEXT2
Uniprot IDQ93063
PfamPF03016; PF09258
In ASDno
Allosteric Predictionno (-0.624166734)
Ortholog in AnimalsAlpaca_ EXT2 ( ortholog_one2one )
Dog_ EXT2 ( ortholog_one2one )
GuineaPig_ EXT2 ( ortholog_one2one )
Macaque_ EXT2 ( ortholog_one2one )
Mouse_ Ext2 ( ortholog_one2one )
Rat_ Ext2 ( ortholog_one2one )
Rabbit_ EXT2 ( ortholog_one2one )
OhnologsNA
ParalogsEXT1, EXTL1, EXTL3, EXTL2
TissueNA
Tissue SpecificityUbiquitous.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs4755779  rs140075817  rs376292686  rs771803942  rs764379119  rs121918280  rs373582542 
Subcellular location [CC]Endoplasmic reticulum membrane {ECO:0000269|PubMed:10679296};
Single-pass type II membrane protein {ECO:0000269|PubMed:10679296}. Golgi apparatus membrane {ECO:0000269|PubMed:10679296};
Single-pass type II membrane protein {ECO:0000269|PubMed:10679296}. Golgi apparatus, cis-Golgi network membrane {ECO:0000269|PubMed:35137078};
Single-pass type II membrane protein {ECO:0000255}. Note=The EXT1/EXT2 complex is localized in the Golgi apparatus.
Mouse PG classificationLPG
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