BEST1

Entrez Summary: This gene encodes a member of the bestrophin gene family. This small gene family is characterized by proteins with a highly conserved N-terminus with four to six transmembrane domains. Bestrophins may form chloride ion channels or may regulate voltage-gated L-type calcium-ion channels. Bestrophins are generally believed to form calcium-activated chloride-ion channels in epithelial cells but they have also been shown to be highly permeable to bicarbonate ion transport in retinal tissue. Mutations in this gene are responsible for juvenile-onset vitelliform macular dystrophy (VMD2), also known as Best macular dystrophy, in addition to adult-onset vitelliform macular dystrophy (AVMD) and other retinopathies. Alternative splicing results in multiple variants encoding distinct isoforms.[provided by RefSeq, Nov 2008].
UniProt Summary: Forms calcium-sensitive chloride channels. Highly permeable to bicarbonate. {ECO:0000269|PubMed:11904445, ECO:0000269|PubMed:12907679, ECO:0000269|PubMed:18400985}.

Pfam Domains GO Terms

Compound Hit Most Correlated Genes in Chemogenomics Tissues where Essential in the Avana Dataset (DepMap 20Q1)

Global Fraction of Cell Lines Where Essential: 0/739

Tissue	Fraction Of Cell Lines Where Essential
1290807.0	0/1
909776.0	0/1
bile duct	0/28
blood	0/28
bone	0/26
breast	0/33
central nervous system	0/56
cervix	0/4
colorectal	0/17
esophagus	0/13
fibroblast	0/1
gastric	0/16
kidney	0/21
liver	0/20
lung	0/75
lymphocyte	0/16
ovary	0/26
pancreas	0/24
peripheral nervous system	0/16
plasma cell	0/15
prostate	0/1
skin	0/24
soft tissue	0/9
thyroid	0/2
upper aerodigestive	0/22
urinary tract	0/29
uterus	0/5

Expression Distribution

transepithelial chloride transport
transepithelial transport
detection of light stimulus involved in sensory perception
detection of light stimulus involved in visual perception
detection of visible light
chloride channel complex
chloride channel activity
detection of light stimulus
chloride transmembrane transport
chloride transport
inorganic anion transmembrane transport
detection of external stimulus
detection of abiotic stimulus
inorganic anion transport
basolateral plasma membrane
visual perception
sensory perception of light stimulus
regulation of calcium ion transport
anion transmembrane transport
response to light stimulus
regulation of metal ion transport
response to radiation
detection of stimulus involved in sensory perception
anion transport
inorganic ion transmembrane transport
detection of stimulus
regulation of ion transport
ion transmembrane transport
sensory perception
identical protein binding
response to abiotic stimulus
transmembrane transport
ion transport
nervous system process
regulation of transport
system process
membrane