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General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.
Gene namei
Official gene symbol, which is typically a short form of the gene name, according to HGNC.
Assigned HPA protein class(es) for the encoded protein(s).
Disease related genes Enzymes Human disease related genes Metabolic proteins Plasma proteins Potential drug targets Transporters
Predicted locationi
All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.
Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.
Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).
The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.
Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.
Chromosome
16
Cytoband
q12.1
Chromosome location (bp)
48356364 - 48448402
Number of transcriptsi
Number of protein-coding transcripts from the gene as defined by Ensembl.
Useful information about the protein provided by UniProt.
E3 ubiquitin-protein ligase that mediates ubiquitination and subsequent proteasomal degradation of target proteins 1,2,3,4,5,6,7,8,9,10,11,12,13. E3 ubiquitin ligases accept ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates 14,15,16,17,18,19,20,21,22,23. Mediates E3 ubiquitin ligase activity either through direct binding to substrates or by functioning as the essential RING domain subunit of larger E3 complexes 24,25,26,27,28,29,30,31,32,33. Triggers the ubiquitin-mediated degradation of many substrates, including proteins involved in transcription regulation (ELL2, MYB, POU2AF1, PML and RBBP8), a cell surface receptor (DCC), the cell-surface receptor-type tyrosine kinase FLT3, the cytoplasmic signal transduction molecules (KLF10/TIEG1 and NUMB), an antiapoptotic protein (BAG1), a microtubule motor protein (KIF22), a protein involved in synaptic vesicle function in neurons (SYP), a structural protein (CTNNB1) and SNCAIP 34,35,36,37,38,39,40,41. Confers constitutive instability to HIPK2 through proteasomal degradation 42,43. It is thereby involved in many cellular processes such as apoptosis, tumor suppression, cell cycle, axon guidance, transcription regulation, spermatogenesis and TNF-alpha signaling 44,45,46,47,48,49,50,51,52,53. Has some overlapping function with SIAH2 54,55,56,57,58,59,60,61,62,63. Induces apoptosis in cooperation with PEG3 (By similarity). Upon nitric oxid (NO) generation that follows apoptotic stimulation, interacts with S-nitrosylated GAPDH, mediating the translocation of GAPDH to the nucleus (By similarity). GAPDH acts as a stabilizer of SIAH1, facilitating the degradation of nuclear proteins (By similarity). Mediates ubiquitination and degradation of EGLN2 and EGLN3 in response to the unfolded protein response (UPR), leading to their degradation and subsequent stabilization of ATF4 (By similarity). Also part of the Wnt signaling pathway in which it mediates the Wnt-induced ubiquitin-mediated proteasomal degradation of AXIN1 64,65....show less
Molecular function (UniProt)i
Keywords assigned by UniProt to proteins due to their particular molecular function.
Developmental protein, Transferase
Biological process (UniProt)i
Keywords assigned by UniProt to proteins because they are involved in a particular biological process.
Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.
Metal-binding, Zinc
Gene summary (Entrez)i
Useful information about the gene from Entrez
This gene encodes a protein that is a member of the seven in absentia homolog (SIAH) family. The protein is an E3 ligase and is involved in ubiquitination and proteasome-mediated degradation of specific proteins. The activity of this ubiquitin ligase has been implicated in the development of certain forms of Parkinson's disease, the regulation of the cellular response to hypoxia and induction of apoptosis. Alternative splicing results in several additional transcript variants, some encoding different isoforms and others that have not been fully characterized. [provided by RefSeq, Jul 2008]...show less
PROTEIN INFORMATIONi
The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.
The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.
The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.
The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Enzymes ENZYME proteins Transferases Metabolic proteins Transporters Accessory Factors Involved in Transport Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Human disease related genes Congenital malformations Congenital malformations of the nervous system Mapped to neXtProt neXtProt - Evidence at protein level
Enzymes ENZYME proteins Transferases Metabolic proteins Transporters Accessory Factors Involved in Transport Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Human disease related genes Congenital malformations Congenital malformations of the nervous system Mapped to neXtProt neXtProt - Evidence at protein level
Enzymes ENZYME proteins Transferases Metabolic proteins Transporters Accessory Factors Involved in Transport Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Plasma proteins Disease related genes Potential drug targets Human disease related genes Congenital malformations Congenital malformations of the nervous system Mapped to neXtProt neXtProt - Evidence at protein level
Metabolic proteins Predicted intracellular proteins Intracellular proteins predicted by MDM and MDSEC Human disease related genes Congenital malformations Congenital malformations of the nervous system
Show all
GO:0006511[ubiquitin-dependent protein catabolic process] GO:0007275[multicellular organism development] GO:0046872[metal ion binding]
The Human Protein Atlas project is funded
