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MIRAGE

inter-alpha-trypsin inhibitor heavy chain 2

Summary

Gene Symbol

ITIH2

Organism

Homo sapiens (human)

External Links

NCBI Gene

3698

PubChem

3698

Alliance of Genome Resources

HGNC:6167

Annotation

Keyword

Direct protein sequencing
Disulfide bond
Gamma-carboxyglutamic acid
Phosphoprotein
Proteoglycan
Reference proteome
Secreted
Serine protease inhibitor
Signal

Proteins

Displaying 1 entry
UniProt	Protein Name
P19823	Inter-alpha-trypsin inhibitor complex component II Serum-derived hyaluronan-associated protein

Annotation information from UniProt.

Gene Ontology (GO)

Displaying **all 2** entries
GO Term	Evidence Code	PMID
negative regulation of peptidase activity
hyaluronan metabolic process	IEA

GO Hierarchy

biological process

metabolic process [inference]

nitrogen compound metabolic process [inference]

organonitrogen compound metabolic process [inference]

aminoglycan metabolic process [inference]

glycosaminoglycan metabolic process [inference]

mucopolysaccharide metabolic process [inference]

hyaluronan metabolic process

organic substance metabolic process [inference]

macromolecule metabolic process [inference]

aminoglycan metabolic process [inference]

glycosaminoglycan metabolic process [inference]

mucopolysaccharide metabolic process [inference]

hyaluronan metabolic process

carbohydrate derivative metabolic process [inference]

aminoglycan metabolic process [inference]

glycosaminoglycan metabolic process [inference]

mucopolysaccharide metabolic process [inference]

hyaluronan metabolic process

organonitrogen compound metabolic process [inference]

aminoglycan metabolic process [inference]

glycosaminoglycan metabolic process [inference]

mucopolysaccharide metabolic process [inference]

hyaluronan metabolic process

biological regulation [inference]

regulation of biological process [inference]

regulation of metabolic process [inference]

negative regulation of metabolic process [inference]

negative regulation of macromolecule metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

negative regulation of nitrogen compound metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of nitrogen compound metabolic process [inference]

negative regulation of nitrogen compound metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of protein metabolic process [inference]

regulation of proteolysis [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of peptidase activity [inference]

negative regulation of peptidase activity

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of macromolecule metabolic process [inference]

negative regulation of macromolecule metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of protein metabolic process [inference]

regulation of proteolysis [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of peptidase activity [inference]

negative regulation of peptidase activity

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of primary metabolic process [inference]

regulation of protein metabolic process [inference]

regulation of proteolysis [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of peptidase activity [inference]

negative regulation of peptidase activity

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

negative regulation of biological process [inference]

negative regulation of metabolic process [inference]

negative regulation of macromolecule metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

negative regulation of nitrogen compound metabolic process [inference]

negative regulation of protein metabolic process [inference]

negative regulation of proteolysis [inference]

negative regulation of peptidase activity

regulation of molecular function [inference]

negative regulation of molecular function [inference]

negative regulation of catalytic activity [inference]

negative regulation of hydrolase activity [inference]

negative regulation of peptidase activity

regulation of catalytic activity [inference]

negative regulation of catalytic activity [inference]

negative regulation of hydrolase activity [inference]

negative regulation of peptidase activity

regulation of hydrolase activity [inference]

negative regulation of hydrolase activity [inference]

negative regulation of peptidase activity

regulation of peptidase activity [inference]

negative regulation of peptidase activity

Displaying **all 5** entries
GO Term	Evidence Code	PMID
extracellular region	NAS	14718574
endoplasmic reticulum lumen	TAS
collagen-containing extracellular matrix	HDA	25037231 28327460 28675934
extracellular exosome	HDA	20458337 23533145
blood microparticle	HDA	22516433

GO Hierarchy

cellular component

cellular anatomical entity [inference]

extracellular region

external encapsulating structure [inference]

extracellular matrix [inference]

collagen-containing extracellular matrix

membrane-enclosed lumen [inference]

organelle lumen [inference]

intracellular organelle lumen [inference]

endoplasmic reticulum lumen

organelle [inference]

membrane-bounded organelle [inference]

vesicle [inference]

extracellular vesicle [inference]

extracellular exosome

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

extracellular organelle [inference]

extracellular membrane-bounded organelle [inference]

extracellular vesicle [inference]

extracellular exosome

blood microparticle

Displaying **all 4** entries
GO Term	Evidence Code	PMID
endopeptidase inhibitor activity	TAS	2476436
serine-type endopeptidase inhibitor activity	IEA
protein binding	IPI	16873769 20463016
hyaluronic acid binding	IDA	20463016

GO Hierarchy

molecular function

binding [inference]

protein binding

carbohydrate derivative binding [inference]

glycosaminoglycan binding [inference]

hyaluronic acid binding

molecular function regulator activity [inference]

enzyme regulator activity [inference]

enzyme inhibitor activity [inference]

peptidase inhibitor activity [inference]

endopeptidase inhibitor activity

serine-type endopeptidase inhibitor activity

peptidase regulator activity [inference]

peptidase inhibitor activity [inference]

endopeptidase inhibitor activity

serine-type endopeptidase inhibitor activity

endopeptidase regulator activity [inference]

endopeptidase inhibitor activity

serine-type endopeptidase inhibitor activity

molecular function inhibitor activity [inference]

enzyme inhibitor activity [inference]

peptidase inhibitor activity [inference]

endopeptidase inhibitor activity

serine-type endopeptidase inhibitor activity

Gene Ontology information from NCBI Gene and UniProt.

OrthoDB (Group)

Group level

Eukaryota

Group Name

inter-alpha-trypsin inhibitor heavy

Functional Category

E: Amino acid transport and metabolism
P: Inorganic ion transport and metabolism
T: Signal transduction mechanisms

Displaying **all 3** entries
Gene Ontology
hyaluronan metabolic process
peptidase inhibitor activity
serine-type endopeptidase inhibitor activity

Displaying **all 4** entries
InterPro
Inter-alpha-trypsin inhibitor heavy chain, C-terminal
VIT domain
von Willebrand factor A-like domain superfamily
von Willebrand factor, type A

Ortholog

Displaying entries **1 - 10** of 80 in total

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Species	Gene ID	Alliance of Genome Resources	Orthologous MAtrix
Xenopus tropicalis	3698	Xenbase:XB-GENE-5854991
Mus musculus	16425	Xenbase:XB-GENE-5854991	MOUSE32066
Xenopus tropicalis	51507	Xenbase:XB-GENE-5854991
Sus scrofa	396937		PIGXX00817
Danio rerio	406280		DANRE33889
Pan troglodytes	450291		PANTR00112
Canis lupus familiaris	478011		CANLF06576
Rattus norvegicus	498793		RATNO12774
Bos taurus	512164		BOVIN04300
Macaca mulatta	713575		MACMU45243

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Last updated: December 8, 2025