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ERC1 (ELKS/RAB6-interacting/CAST family member 1)

Written2004-01Tomoko Nakata, Shiro Minami, Mitsuru Emi
Department of Bioregulation, Institute of Gerontology, Nippon Medical School, Kawasaki, Kanagawa, Japan

(Note : for Links provided by Atlas : click)


RAB6 interacting protein 2
Alias_symbol (synonym)ELKS
Other aliasrab6-interacting protein 2, ERC1
HGNC (Hugo) ERC1
LocusID (NCBI) 23085
Atlas_Id 503
Location 12p13.33  [Link to chromosome band 12p13]
Location_base_pair Starts at 991208 and ends at 1495933 bp from pter ( according to hg19-Feb_2009)  [Mapping ERC1.png]
Fusion genes
(updated 2017)
Data from Atlas, Mitelman, Cosmic Fusion, Fusion Cancer, TCGA fusion databases with official HUGO symbols (see references in chromosomal bands)
ADIPOR2 (12p13.33) / ERC1 (12p13.33)ERC1 (12p13.33) / ANO2 (12p13.31)ERC1 (12p13.33) / BRAF (7q34)
ERC1 (12p13.33) / CACNA2D4 (12p13.33)ERC1 (12p13.33) / ERC1 (12p13.33)ERC1 (12p13.33) / ETV6 (12p13.2)
ERC1 (12p13.33) / PDGFRB (5q32)ERC1 (12p13.33) / PIK3C2G (12p12.3)ERC1 (12p13.33) / PRKDC (8q11.21)
ERC1 (12p13.33) / RET (10q11.21)ERC1 (12p13.33) / ROS1 (6q22.1)ERC1 (12p13.33) / SPI1 (11p11.2)
ERC1 (12p13.33) / SYCP2 (20q13.33)ERC1 (12p13.33) / TOMM34 (20q13.12)ERC1 (12p13.33) / VWF (12p13.31)
ERC1 (12p13.33) / WNK1 (12p13.33)LETM1 (4p16.3) / ERC1 (12p13.33)NDRG2 (14q11.2) / ERC1 (12p13.33)
RET (10q11.21) / ERC1 (12p13.33)TEAD4 (12p13.33) / ERC1 (12p13.33)TOMM34 (20q13.12) / ERC1 (12p13.33)
WNK1 (12p13.33) / ERC1 (12p13.33)


Description at least 21 exons. 500 Kb
Transcription 9.0 Kb and other smaller mRNAs ; alternative splicing: at least 5 isoforms (a, b, g, d, e)


Description a : 948 amino acids, b: 992 amino acids, g: 720 amino acids, d:1088 amino acids, e:1116 amino acids, containing eight to ten coiled-coil domains.
Rich in glutamic acid (E), leucine (L), lysine (K) and serine (S).
Mouse homolog of ELKS a subtype binds to RIM (Rab3-interacting molecule) which is presynaptic active zone protein and regulates neurotransmitter release.
Mouse homologs of ELKS bind to rab6 which regulate intracellular transport.
Expression Ubiquitous, a and b are abundant in the brain. d and e predominate in the testis, thyroid and other tissues.
Function unknown
Homology CAST or ERC2

Implicated in

Disease papillary thyroid carcinoma
Hybrid/Mutated Gene 5' ELKS-3' RET in the t(10;12)(q11;p13)
Abnormal Protein ELKS-RET
Oncogenesis constitutive activation of RET


Note Intron 10 of ELKS and intron 11 of the RET.


Ret/PTC3 is the most frequent form of gene rearrangement in papillary thyroid carcinomas in Japan.
Kitamura Y, Minobe K, Nakata T, Shimizu K, Tanaka S, Fujimori M, Yokoyama S, Ito K, Onda M, Emi M
Journal of human genetics. 1999 ; 44 (2) : 96-102.
PMID 10083732
Interaction of the ERC family of RIM-binding proteins with the liprin-alpha family of multidomain proteins.
Ko J, Na M, Kim S, Lee JR, Kim E
The Journal of biological chemistry. 2003 ; 278 (43) : 42377-42385.
PMID 12923177
Characterization of novel Rab6-interacting proteins involved in endosome-to-TGN transport.
Monier S, Jollivet F, Janoueix-Lerosey I, Johannes L, Goud B
Traffic (Copenhagen, Denmark). 2002 ; 3 (4) : 289-297.
PMID 11929610
Fusion of a novel gene, ELKS, to RET due to translocation t(10;12)(q11;p13) in a papillary thyroid carcinoma.
Nakata T, Kitamura Y, Shimizu K, Tanaka S, Fujimori M, Yokoyama S, Ito K, Emi M
Genes, chromosomes & cancer. 1999 ; 25 (2) : 97-103.
PMID 10337992
Differential expression of multiple isoforms of the ELKS mRNAs involved in a papillary thyroid carcinoma.
Nakata T, Yokota T, Emi M, Minami S
Genes, chromosomes & cancer. 2002 ; 35 (1) : 30-37.
PMID 12203787
A family of RIM-binding proteins regulated by alternative splicing: Implications for the genesis of synaptic active zones.
Wang Y, Liu X, Biederer T, Südhof TC
Proceedings of the National Academy of Sciences of the United States of America. 2002 ; 99 (22) : 14464-14469.
PMID 12391317
Genomic organization and chromosomal mapping of ELKS, a gene rearranged in a papillary thyroid carcinoma.
Yokota T, Nakata T, Minami S, Inazawa J, Emi M
Journal of human genetics. 2000 ; 45 (1) : 6-11.
PMID 10697956


This paper should be referenced as such :
Nakata, T ; Minami, S ; Emi, M
ELKS (ELKS/RAB6-interacting/CAST family member 1)
Atlas Genet Cytogenet Oncol Haematol. 2004;8(2):59-60.
Free journal version : [ pdf ]   [ DOI ]
On line version :

Other Leukemias implicated (Data extracted from papers in the Atlas) [ 1 ]
  t(5;12)(q33;p13) ERC1/PDGFRB

Other Solid tumors implicated (Data extracted from papers in the Atlas) [ 17 ]
  Lung: Translocations in Small Cell Carcinoma
Lung: Translocations in Squamous Cell Carcinoma
inv(12)(p13p13) ERC1/ANO2
t(6;12)(q22;p13) ERC1/ROS1
t(7;12)(q34;p13) ERC1/BRAF
t(10;12)(q11;p13) ERC1/RET
t(10;12)(q11;p13) ERC1/RET
t(10;12)(q11;p13) ERC1/RET
t(11;12)(p11;p13) ERC1/SPI1
t(12;12)(p12;p13) ERC1/PIK3C2G
ADIPOR2/ERC1 (12p13)
ERC1/ETV6 (12p13)
ERC1/VWF (12p13)
ERC1/WNK1 (12p13)
WNK1/ERC1 (12p13)
t(12;20)(p13;q13) ERC1/TOMM34
t(12;20)(p13;q13) TOMM34/ERC1

External links

HGNC (Hugo)ERC1   17072
Entrez_Gene (NCBI)ERC1  23085  ELKS/RAB6-interacting/CAST family member 1
AliasesCast2; ELKS; ERC-1; RAB6IP2
GeneCards (Weizmann)ERC1
Ensembl hg19 (Hinxton)ENSG00000082805 [Gene_View]
Ensembl hg38 (Hinxton)ENSG00000082805 [Gene_View]  ENSG00000082805 [Sequence]  chr12:991208-1495933 [Contig_View]  ERC1 [Vega]
ICGC DataPortalENSG00000082805
TCGA cBioPortalERC1
AceView (NCBI)ERC1
Genatlas (Paris)ERC1
SOURCE (Princeton)ERC1
Genetics Home Reference (NIH)ERC1
Genomic and cartography
GoldenPath hg38 (UCSC)ERC1  -     chr12:991208-1495933 +  12p13.33   [Description]    (hg38-Dec_2013)
GoldenPath hg19 (UCSC)ERC1  -     12p13.33   [Description]    (hg19-Feb_2009)
GoldenPathERC1 - 12p13.33 [CytoView hg19]  ERC1 - 12p13.33 [CytoView hg38]
Mapping of homologs : NCBIERC1 [Mapview hg19]  ERC1 [Mapview hg38]
Gene and transcription
Genbank (Entrez)AB015617 AB029004 AB053468 AB053469 AB053470
RefSeq transcript (Entrez)NM_001301248 NM_178039 NM_178040
RefSeq genomic (Entrez)
Consensus coding sequences : CCDS (NCBI)ERC1
Cluster EST : UnigeneHs.601216 [ NCBI ]
CGAP (NCI)Hs.601216
Alternative Splicing GalleryENSG00000082805
Gene ExpressionERC1 [ NCBI-GEO ]   ERC1 [ EBI - ARRAY_EXPRESS ]   ERC1 [ SEEK ]   ERC1 [ MEM ]
Gene Expression Viewer (FireBrowse)ERC1 [ Firebrowse - Broad ]
SOURCE (Princeton)Expression in : [Datasets]   [Normal Tissue Atlas]  [carcinoma Classsification]  [NCI60]
GenevestigatorExpression in : [tissues]  [cell-lines]  [cancer]  [perturbations]  
BioGPS (Tissue expression)23085
GTEX Portal (Tissue expression)ERC1
Human Protein AtlasENSG00000082805-ERC1 [pathology]   [cell]   [tissue]
Protein : pattern, domain, 3D structure
UniProt/SwissProtQ8IUD2   [function]  [subcellular_location]  [family_and_domains]  [pathology_and_biotech]  [ptm_processing]  [expression]  [interaction]
NextProtQ8IUD2  [Sequence]  [Exons]  [Medical]  [Publications]
With graphics : InterProQ8IUD2
Splice isoforms : SwissVarQ8IUD2
Domaine pattern : Prosite (Expaxy)FIP_RBD (PS51511)   
Domains : Interpro (EBI)ELKS/CAST    FIP-RBD_C_sf    Rab-bd_FIP-RBD   
Domain families : Pfam (Sanger)Cast (PF10174)    RBD-FIP (PF09457)   
Domain families : Pfam (NCBI)pfam10174    pfam09457   
Conserved Domain (NCBI)ERC1
DMDM Disease mutations23085
Blocks (Seattle)ERC1
Human Protein Atlas [tissue]ENSG00000082805-ERC1 [tissue]
Peptide AtlasQ8IUD2
IPIIPI00216719   IPI00171230   IPI00374976   IPI00181684   IPI00216720   IPI01014406   IPI01015074   IPI01009707   
Protein Interaction databases
IntAct (EBI)Q8IUD2
Ontologies - Pathways
Ontology : AmiGOGolgi membrane  protein binding  cytoplasm  cytoplasm  centrosome  regulation of transcription, DNA-templated  I-kappaB phosphorylation  multicellular organism development  IkappaB kinase complex  protein transport  Rab GTPase binding  PDZ domain binding  ciliary basal body  retrograde transport, endosome to Golgi  presynaptic membrane  negative regulation of apoptotic process  leucine zipper domain binding  synapse  cadherin binding  positive regulation of NF-kappaB transcription factor activity  
Ontology : EGO-EBIGolgi membrane  protein binding  cytoplasm  cytoplasm  centrosome  regulation of transcription, DNA-templated  I-kappaB phosphorylation  multicellular organism development  IkappaB kinase complex  protein transport  Rab GTPase binding  PDZ domain binding  ciliary basal body  retrograde transport, endosome to Golgi  presynaptic membrane  negative regulation of apoptotic process  leucine zipper domain binding  synapse  cadherin binding  positive regulation of NF-kappaB transcription factor activity  
Pathways : KEGGNF-kappa B signaling pathway   
NDEx NetworkERC1
Atlas of Cancer Signalling NetworkERC1
Wikipedia pathwaysERC1
Orthology - Evolution
GeneTree (enSembl)ENSG00000082805
Phylogenetic Trees/Animal Genes : TreeFamERC1
Homologs : HomoloGeneERC1
Homology/Alignments : Family Browser (UCSC)ERC1
Gene fusions - Rearrangements
Fusion : MitelmanADIPOR2/ERC1 [12p13.33/12p13.33]  [t(12;12)(p13;p13)]  
Fusion : MitelmanERC1/ANO2 [12p13.33/12p13.31]  [inv(12)(p13p13)]  
Fusion : MitelmanERC1/BRAF [12p13.33/7q34]  [t(7;12)(q34;p13)]  
Fusion : MitelmanERC1/PDGFRB [12p13.33/5q32]  [t(5;12)(q32;p13)]  
Fusion : MitelmanERC1/PIK3C2G [12p13.33/12p12.3]  [t(12;12)(p12;p13)]  
Fusion : MitelmanERC1/RET [12p13.33/10q11.21]  [t(10;12)(q11;p13)]  
Fusion : MitelmanERC1/SPI1 [12p13.33/11p11.2]  [t(11;12)(p11;p13)]  
Fusion : MitelmanERC1/TOMM34 [12p13.33/20q13.12]  [t(12;20)(p13;q13)]  
Fusion : MitelmanERC1/VWF [12p13.33/12p13.31]  [t(12;12)(p13;p13)]  
Fusion : MitelmanERC1/WNK1 [12p13.33/12p13.33]  [t(12;12)(p13;p13)]  
Fusion : MitelmanTOMM34/ERC1 [20q13.12/12p13.33]  [t(12;20)(p13;q13)]  
Fusion : COSMICERC1 [12p13.33]  -  ROS1 [6q22.1]  [fusion_1627]  
Fusion PortalADIPOR2 12p13.33 ERC1 12p13.33 BRCA
Fusion PortalERC1 12p13.33 PIK3C2G 12p12.3 BRCA
Fusion PortalERC1 12p13.33 RET 10q11.21 BRCA THCA
Fusion PortalERC1 12p13.33 TOMM34 20q13.12 BRCA
Fusion PortalERC1 12p13.33 VWF 12p13.31 LUAD
Fusion PortalERC1 12p13.33 WNK1 12p13.33 LUAD
Fusion PortalTOMM34 20q13.12 ERC1 12p13.33 BRCA
Fusion : TICdbERC1 [12p13.33]  -  PDGFRB [5q32]
Fusion : FusionGDB11948    11949    11950    11951    11952    11953    11954    11955    11956    11957    11958    11959    11960    11961    11962   
11963    11964    11965    11966    11967    19631    23462    23802    33907    37685    39064    41228    7375    895   
Fusion : Fusion_HubADIPOR2--ERC1    ARHGAP15--ERC1    ATAD1--ERC1    ATF7--ERC1    BRAF--ERC1    CLEC2D--ERC1    CLEC7A--ERC1    CLIP1--ERC1    DDX47--ERC1    ERC1--CACNA2D4    ERC1--CALM2    ERC1--CLCN2    ERC1--CSTF3    ERC1--DAD1    ERC1--DEK   
ERC1--DYRK4    ERC1--EEF2    ERC1--ERC1    ERC1--EZR    ERC1--FGD4    ERC1--GABRB1    ERC1--GARNL3    ERC1--GPC5    ERC1--GTF2F2    ERC1--GTF3C5    ERC1--HEBP1    ERC1--LRRC16A    ERC1--METTL4    ERC1--MRPL51    ERC1--MRPS9   
ERC1--PABPC1L    ERC1--PDGFRB    ERC1--PDHX    ERC1--PIK3C2G    ERC1--PRKDC    ERC1--RET    ERC1--ROS1    ERC1--SYCP2    ERC1--TACC3    ERC1--TGM2    ERC1--TIMMDC1    ERC1--TOMM34    ERC1--VWF    ERC1--WNK1    ERC1--WNT5B   
ERC1--WRNIP1    ERC1--YBX3    ERC1--YY1    ERC1--ZBTB18    FAM155A--ERC1    GLRX3--ERC1    KDM5A--ERC1    LETM1--ERC1    NAV2--ERC1    NDRG2--ERC1    PPP3R1--ERC1    RET--ERC1    RNF168--ERC1    SIPA1L3--ERC1    TEAD4--ERC1   
TMTC2--ERC1    TOMM34--ERC1    USP9Y--ERC1    WNK1--ERC1    WNT5B--ERC1   
Fusion : QuiverERC1
Polymorphisms : SNP and Copy number variants
NCBI Variation ViewerERC1 [hg38]
dbSNP Single Nucleotide Polymorphism (NCBI)ERC1
Exome Variant ServerERC1
ExAC (Exome Aggregation Consortium)ENSG00000082805
GNOMAD BrowserENSG00000082805
Varsome BrowserERC1
Genetic variants : HAPMAP23085
Genomic Variants (DGV)ERC1 [DGVbeta]
DECIPHERERC1 [patients]   [syndromes]   [variants]   [genes]  
CONAN: Copy Number AnalysisERC1 
ICGC Data PortalERC1 
TCGA Data PortalERC1 
Broad Tumor PortalERC1
OASIS PortalERC1 [ Somatic mutations - Copy number]
Somatic Mutations in Cancer : COSMICERC1  [overview]  [genome browser]  [tissue]  [distribution]  
Somatic Mutations in Cancer : COSMIC3DERC1
Mutations and Diseases : HGMDERC1
LOVD (Leiden Open Variation Database)Whole genome datasets
LOVD (Leiden Open Variation Database)LOVD 3.0 shared installation
BioMutasearch ERC1
DgiDB (Drug Gene Interaction Database)ERC1
DoCM (Curated mutations)ERC1 (select the gene name)
CIViC (Clinical Interpretations of Variants in Cancer)ERC1 (select a term)
NCG5 (London)ERC1
Cancer3DERC1(select the gene name)
Impact of mutations[PolyPhen2] [Provean] [Buck Institute : MutDB] [Mutation Assessor] [Mutanalyser]
Orphanet905    20454   
Genetic Testing Registry ERC1
NextProtQ8IUD2 [Medical]
Target ValidationERC1
Huge Navigator ERC1 [HugePedia]
snp3D : Map Gene to Disease23085
BioCentury BCIQERC1
Clinical trials, drugs, therapy
Chemical/Protein Interactions : CTD23085
Chemical/Pharm GKB GenePA134970875
Clinical trialERC1
canSAR (ICR)ERC1 (select the gene name)
DataMed IndexERC1
PubMed72 Pubmed reference(s) in Entrez
GeneRIFsGene References Into Functions (Entrez)
REVIEW articlesautomatic search in PubMed
Last year publicationsautomatic search in PubMed

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