Reactome: A Curated Pathway Database
THIS SITE IS USED FOR CURATION AND TESTING
IT IS NOT STABLE, IS LINKED TO AN INCOMPLETE DATA SET, AND IS NOT MONITORED FOR PERFORMANCE. WE STRONGLY RECOMMEND THE USE OF OUR PUBLIC SITE

Query author contributions in Reactome

Reactome depends on collaboration between our curation team and outside experts to assemble and peer-review its pathway modules. The integration of ORCID within Reactome enables us to meet a key challenge with authoring, curating and reviewing biological information by incentivizing and crediting the external experts that contribute their expertise and time to the Reactome curation process. More information is available at ORCID and Reactome.

If you have an ORCID ID that is not listed on this page, please forward this information to us and we will update your Reactome pathway records.

Name Email address

Details on Person UniProt:Q9UHD4 CIDEB

Class:IdReferenceGeneProduct:52080
_chainChangeLogchain:1-219 added on Fri February 6 2015
_displayNameUniProt:Q9UHD4 CIDEB
_timestamp2024-11-03 20:13:43
chainchain:1-219
checksumE0B4E5EF1F7C912D
commentFUNCTION Lipid transferase specifically expressed in hepatocytes, which promotes unilocular lipid droplet formation by mediating lipid droplet fusion (PubMed:35939579). Lipid droplet fusion promotes their enlargement, restricting lipolysis and favoring lipid storage (PubMed:35939579). Localizes on the lipid droplet surface, at focal contact sites between lipid droplets, and mediates atypical lipid droplet fusion by promoting directional net neutral lipid transfer from the smaller to larger lipid droplets (By similarity). The transfer direction may be driven by the internal pressure difference between the contacting lipid droplet pair (By similarity). Promotes lipid exchange and lipid droplet fusion in both small and large lipid droplet-containing hepatocytes (By similarity). In addition to its role in lipid droplet fusion, also involved in cytoplasmic vesicle biogenesis and transport (By similarity). Required for very-low-density lipoprotein (VLDL) lipidation and maturation (By similarity). Probably involved in the biogenesis of VLDL transport vesicles by forming a COPII vesicle coat and facilitating the formation of endoplasmic reticulum-derived large vesicles (By similarity). Also involved in sterol-regulated export of the SCAP-SREBP complex, composed of SCAP, SREBF1/SREBP1 and SREBF2/SREBP2, by promoting loading of SCAP-SREBP into COPII vesicles (By similarity). May also activate apoptosis (PubMed:10619428).FUNCTION (Microbial infection) Involved in Hepatatis C virus (HCV) assembly and required for HCV entry into hepatocytes.SUBUNIT Interacts with DFFA (PubMed:10619428). Interacts with DFFB; inhibited by DFFB (PubMed:10619428). Interacts with APOB. Interacts with PREB/SEC12; facilitating loading of SCAP-SREBP into COPII vesicles (By similarity).SUBUNIT (Microbial infection) Interacts (via N-terminus) with HCV non-structural protein 5A (via N-terminus); this interaction seems to regulate the association of HCV particles with ApoE.INTERACTION Enriched at lipid droplet contact sites.TISSUE SPECIFICITY Highly expressed in liver and small intestine and, at lower levels, in colon, kidney and spleen.SIMILARITY Belongs to the CIDE family.
descriptionrecommendedName: fullName evidence="10"Lipid transferase CIDEB alternativeName: fullName evidence="8"Cell death activator CIDE-B alternativeName: fullName evidence="8"Cell death-inducing DFFA-like effector B
geneNameCIDEB
identifierQ9UHD4
isSequenceChangedFALSE
keyword3D-structure
Apoptosis
Cytoplasmic vesicle
Endoplasmic reticulum
Golgi apparatus
Host-virus interaction
Lipid droplet
Membrane
Phosphoprotein
Proteomics identification
Reference proteome
modified[InstanceEdit:84067] Schmidt, EE, 2003-12-18 04:29:09
[InstanceEdit:143527] Schmidt, EE, 2004-11-12 07:45:10
[InstanceEdit:217385] Schmidt, EE, 2008-03-27 06:23:53
[InstanceEdit:354386] Schmidt, EE, 2008-06-18 04:45:12
[InstanceEdit:384350] Kanapin, AA, 2008-11-26 14:00:39
[InstanceEdit:392885] Kanapin, AA, 2009-03-09 12:07:18
[InstanceEdit:400710] Schmidt, EE, 2009-03-25 05:33:35
[InstanceEdit:423310] Kanapin, AA
[InstanceEdit:435478] Kanapin, AA
[InstanceEdit:435871] Kanapin, AA
[InstanceEdit:447347] Kanapin, AA
[InstanceEdit:525883] Kanapin, AA
[InstanceEdit:613449] Kanapin, AA
[InstanceEdit:797602] Kanapin, AA
[InstanceEdit:937368] Yung, CK
[InstanceEdit:1042053] Yung, CK
[InstanceEdit:1220657] Yung, CK
[InstanceEdit:1300696] Yung, CK
[InstanceEdit:1301627] Yung, CK
[InstanceEdit:1551960] Weiser, JD
[InstanceEdit:1995863] Weiser, JD
[InstanceEdit:2132304] Weiser, JD
[InstanceEdit:2265580] Weiser, JD
[InstanceEdit:5263031] Weiser, JD
[InstanceEdit:5433710] Weiser, JD
[InstanceEdit:5618415] Weiser, JD
[InstanceEdit:5634237] Weiser, JD
[InstanceEdit:5673015] Weiser, JD
[InstanceEdit:8987656] Weiser, JD
[InstanceEdit:9037114] Weiser, JD
[InstanceEdit:9637257] Weiser, JD
[InstanceEdit:9676415] Weiser, JD
[InstanceEdit:9706439] Weiser, JD
[InstanceEdit:9834092] Weiser, Joel
[InstanceEdit:9852000] Weiser, Joel, 2023-11-03
[InstanceEdit:9926675] Weiser, Joel, 2024-11-03
nameCIDEB
referenceDatabase[ReferenceDatabase:2] UniProt
referenceGene[ReferenceDNASequence:8994130] ENSEMBL:ENSG00000136305 CIDEB [Homo sapiens]
secondaryIdentifierCIDEB_HUMAN
D3DS73
Q546V8
Q9NNW9
sequenceLength219
species[Species:48887] Homo sapiens
[Change default viewing format]
No pathways have been reviewed or authored by UniProt:Q9UHD4 CIDEB (52080)