NP_001303696.1
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NCBI GenBank Nucleotide #
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UniProt Primary Accession #
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UniProt Secondary Accession #
UniProt Related Accession #
Molecular Weight
21,463 Da
NCBI Official Full Name
hemojuvelin isoform c
NCBI Official Synonym Full Names
hemochromatosis type 2 (juvenile)
NCBI Protein Information
hemojuvelin
UniProt Protein Name
Hemojuvelin
UniProt Synonym Protein Names
Hemochromatosis type 2 protein; RGM domain family member C
UniProt Synonym Gene Names
NCBI Summary for HFE2
The product of this gene is involved in iron metabolism. It may be a component of the signaling pathway which activates hepcidin or it may act as a modulator of hepcidin expression. It could also represent the cellular receptor for hepcidin. Two uORFs in the 5' UTR negatively regulate the expression and activity of the encoded protein. Alternatively spliced transcript variants encoding different isoforms have been identified for this gene. Defects in this gene are the cause of hemochromatosis type 2A, also called juvenile hemochromatosis (JH). JH is an early-onset autosomal recessive disorder due to severe iron overload resulting in hypogonadotrophic hypogonadism, hepatic fibrosis or cirrhosis and cardiomyopathy, occurring typically before age of 30. [provided by RefSeq, Oct 2015]
UniProt Comments for HFE2
HFE2: Member of the repulsive guidance molecule (RGM) family. Involved in iron metabolism. Acts as a bone morphogenetic protein (BMP) coreceptor. Enhancement of BMP signaling regulates hepcidin (HAMP) expression and iron metabolism. May cooperate with hepcidin to restrict iron absorption in the gut. Could represent the cellular receptor for hepcidin. Defects in HFE2 are the cause of hemochromatosis type 2A (HFE2A); also known as juvenile hemochromatosis (JH). HFE2A is an early-onset autosomal recessive disorder due to severe iron overload resulting in hypogonadotrophic hypogonadism, hepatic fibrosis or cirrhosis and cardiomyopathy, occurring typically before age of 30. It is the consequence of intestinal iron hyperabsorption associated with macrophages that do not load iron. Deleterious mutations of HFE2 reduced HAMP (hepcidin) levels despite iron overload, which normally induces HAMP expression. Belongs to the repulsive guidance molecule (RGM) family. 3 isoforms of the human protein are produced by alternative splicing.
Protein type: Membrane protein, GPI anchor
Chromosomal Location of Human Ortholog: 1q21.1
Cellular Component: extracellular space; plasma membrane
Molecular Function: coreceptor activity; glycoprotein binding; protein binding; receptor binding
Biological Process: activin receptor signaling pathway; BMP signaling pathway; cellular iron ion homeostasis; iron ion homeostasis; negative regulation of transcription from RNA polymerase II promoter; positive regulation of transcription from RNA polymerase II promoter; protein autoprocessing
Disease: Hemochromatosis, Type 2a
Research Articles on HFE2
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Products associated with anti-HFE2 antibody
Pathways associated with anti-HFE2 antibody
Diseases associated with anti-HFE2 antibody
Organs/Tissues associated with anti-HFE2 antibody
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