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Gene: TBC1D8B (TBC1 domain family member 8B) Homo sapiens
Symbol: TBC1D8B
Name: TBC1 domain family member 8B
Description: Predicted to have GTPase activator activity and Rab GTPase binding activity. Involved in glomerular filtration and vesicle-mediated transport. Localizes to the cytosol. Implicated in familial nephrotic syndrome.
Type: protein-coding
RefSeq Status: REVIEWED
Also known as: FLJ20298; GRAMD8B; NPHS20; RP11-321G1.1; TBC1 domain family, member 8B (with GRAM domain)
Mus musculus (house mouse) : Tbc1d8b (TBC1 domain family, member 8B)  MGI  Alliance
Rattus norvegicus (Norway rat) : Tbc1d8b (TBC1 domain family member 8B)  Alliance
Chinchilla lanigera (long-tailed chinchilla) : Tbc1d8b (TBC1 domain family member 8B)
Pan paniscus (bonobo/pygmy chimpanzee) : TBC1D8B (TBC1 domain family member 8B)
Canis lupus familiaris (dog) : TBC1D8B (TBC1 domain family member 8B)
Ictidomys tridecemlineatus (thirteen-lined ground squirrel) : Tbc1d8b (TBC1 domain family member 8B)
Sus scrofa (pig) : TBC1D8B (TBC1 domain family member 8B)
Chlorocebus sabaeus (African green monkey) : TBC1D8B (TBC1 domain family member 8B)
Heterocephalus glaber (naked mole-rat) : Tbc1d8b (TBC1 domain family member 8B)
more info ...
Allele / Splice: See ClinVar data
Latest Assembly: GRCh38 - Human Genome Assembly GRCh38
Human AssemblyChrPosition (strand)SourceGenome Browsers
GRCh38 EnsemblX106,802,673 - 106,876,150 (+)Ensembl
GRCh38X106,802,673 - 106,876,150 (+)NCBIGRCh38GRCh38hg38GRCh38
GRCh37X106,045,919 - 106,119,380 (+)NCBIGRCh37GRCh37hg19GRCh37
Build 36X105,932,575 - 106,006,036 (+)NCBINCBI36hg18NCBI36
CeleraX106,517,303 - 106,590,765 (+)NCBI
Cytogenetic MapXq22.3NCBI
HuRefX95,673,834 - 95,747,593 (+)NCBIHuRef
CHM1_1X105,956,739 - 106,030,185 (+)NCBICHM1_1
JBrowse: View Region in Genome Browser (JBrowse)

Disease Annotations
Gene-Chemical Interaction Annotations
Gene Ontology Annotations
Phenotype Annotations
References - curated
References - uncurated


Comparative Map Data
Position Markers
miRNA Target Status


RNA-SEQ Expression


Nucleotide Sequences
Protein Sequences
Clinical Variants

Additional Information

External Database Links
Nomenclature History
More on TBC1D8B
Alliance Gene
Ensembl Gene
JBrowse: hg19 hg38
HGNC Report
NCBI Genome Data Viewer

RGD Object Information
RGD ID: 1606538
Created: 2007-04-29
Species: Homo sapiens
Last Modified: 2019-12-25
Status: ACTIVE


RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.