Homo sapiens Protein: HPX
Summary
InnateDB Protein IDBP-28946.6
Last Modified 2014-10-13 [Report errors or provide feedback]
Gene Symbol HPX
Protein Name hemopexin
Synonyms HX;
Species Homo sapiens
Ensembl Protein ENSP00000265983
InnateDB Gene IDBG-28944 (HPX)
Protein Structure
UniProt Annotation
Function Binds heme and transports it to the liver for breakdown and iron recovery, after which the free hemopexin returns to the circulation.
Subcellular Localization Secreted.
Disease Associations
Tissue Specificity Expressed by the liver and secreted in plasma.
Comments
Interactions
Number of Interactions This gene and/or its encoded proteins are associated with 9 experimentally validated interaction(s) in this database.
Experimentally validated
Total 9 [view]
Protein-Protein 7 [view]
Protein-DNA 2 [view]
Protein-RNA 0
DNA-DNA 0
RNA-RNA 0
DNA-RNA 0
Gene Ontology

Molecular Function
Accession GO Term
GO:0005515 protein binding
GO:0015232 heme transporter activity
GO:0046872 metal ion binding
Biological Process
GO:0002639 positive regulation of immunoglobulin production
GO:0002925 positive regulation of humoral immune response mediated by circulating immunoglobulin
GO:0006879 cellular iron ion homeostasis
GO:0015886 heme transport
GO:0016032 viral process
GO:0020027 hemoglobin metabolic process
GO:0042168 heme metabolic process
GO:0042511 positive regulation of tyrosine phosphorylation of Stat1 protein
GO:0051246 regulation of protein metabolic process
GO:0060332 positive regulation of response to interferon-gamma
GO:0060335 positive regulation of interferon-gamma-mediated signaling pathway
Cellular Component
GO:0005576 extracellular region
GO:0005615 extracellular space
GO:0070062 extracellular vesicular exosome
GO:0071682 endocytic vesicle lumen
GO:0072562 blood microparticle
Protein Structure and Domains
PDB ID
InterPro IPR000585 Hemopexin-like domain
IPR016358 Hemopexin, chordata
IPR018487 Hemopexin-like repeats
PFAM PF00045
PRINTS
PIRSF PIRSF002551
SMART SM00120
TIGRFAMs
Post-translational Modifications
Modification
Cross-References
SwissProt P02790
PhosphoSite PhosphoSite-P02790
TrEMBL
UniProt Splice Variant
Entrez Gene 3263
UniGene Hs.426485
RefSeq NP_000604
HUGO HGNC:5171
OMIM 142290
CCDS CCDS7763
HPRD 00793
IMGT
EMBL AK313648 J03048 M36796 M36799 M36800 M36801 M36802 M36803 X02537
GenPept AAA52704 AAA58678 BAG36404 CAA26382