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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]
BEST1 (Bestrophin 1) is a Protein Coding gene. Diseases associated with BEST1 include Vitreoretinochoroidopathy and Bestrophinopathy, Autosomal Recessive. Among its related pathways are Transport of glucose and other sugars, bile salts and organic acids, metal ions and amine compounds and Ion channel transport. Gene Ontology (GO) annotations related to this gene include chloride channel activity. An important paralog of this gene is BEST3.
GeneHancer (GH) Identifier | GH Type | GH Score |
GH Sources | Gene Association Score | Total Score | TSS distance (kb) | Number of Genes Away | Size (kb) | Transcription Factor Binding Sites |
Gene Targets |
---|---|---|---|---|---|---|---|---|---|---|
GH11J061949 | Promoter/Enhancer | 1.9 | EPDnew Ensembl ENCODE CraniofacialAtlas dbSUPER | 750.6 | +3.3 | 3253 | 2.3 | ZBTB40 ZBTB6 SMARCE1 NFYC L3MBTL2 TEAD4 ZNF148 ZFX MLLT1 CEBPG | BEST1 CPSF7 NXF1 SNHG1 GANAB TMEM138 EML3 MTA2 CSKMT UBXN1 | |
GH11J061947 | Promoter/Enhancer | 1.4 | Ensembl ENCODE dbSUPER | 750.6 | +1.4 | 1356 | 1.1 | ZBTB40 CTCF RBPJ MIXL1 CC2D1A MAX RAD21 GTF2F1 CEBPG ZIC2 | BEST1 RAB3IL1 lnc-FTH1-5 | |
GH11J061950 | Enhancer | 0.8 | CraniofacialAtlas dbSUPER | 750.6 | +0.7 | 714 | 0.2 | CTCF ZIC2 LARP7 TRIM22 MTA3 CTBP1 IKZF1 HDGF NBN SIN3A | BEST1 RAB3IL1 lnc-FTH1-5 | |
GH11J061946 | Promoter/Enhancer | 0.5 | EPDnew dbSUPER | 750.6 | -0.4 | -383 | 0.1 | BEST1 RAB3IL1 | ||
GH11J061952 | Promoter/Enhancer | 0.5 | EPDnew dbSUPER | 750.4 | +5.5 | 5519 | 0.1 | BEST1 lnc-FTH1-5 |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005254 | contributes_to chloride channel activity | IDA | 17003041 |
GO:0042802 | identical protein binding | IPI | 19372599 |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0005829 | cytosol | TAS | 17003041 |
GO:0005886 | plasma membrane | TAS,IEA | -- |
GO:0016020 | membrane | TAS | 10737974 |
GO:0016021 | integral component of membrane | TAS | 10737974 |
GO:0016323 | basolateral plasma membrane | IEA,IDA | 11050159 |
SuperPathway | Contained pathways | ||
---|---|---|---|
1 | Ion channel transport | ||
2 | Transport of glucose and other sugars, bile salts and organic acids, metal ions and amine compounds |
GO ID | Qualified GO term | Evidence | PubMed IDs |
---|---|---|---|
GO:0006811 | ion transport | IEA | -- |
GO:0006821 | chloride transport | IEA,IDA | 17003041 |
GO:0007601 | visual perception | TAS | 9662395 |
GO:0030321 | transepithelial chloride transport | IDA | 17003041 |
GO:0034220 | ion transmembrane transport | TAS | -- |
Name | Synonyms | Role | CAS Number | PubChem IDs | PubMed IDs | |
---|---|---|---|---|---|---|
Carbonic acid |
|
71-52-3, 463-79-6 |
|
ExUns: | 1a | · | 1b | · | 1c | ^ | 2a | · | 2b | ^ | 3 | ^ | 4a | · | 4b | ^ | 5 | ^ | 6a | · | 6b | ^ | 7a | · | 7b | ^ | 8a | · | 8b | ^ | 9 | ^ | 10a | · | 10b | · | 10c | ^ | 11 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SP1: | - | - | |||||||||||||||||||||||||||||||||||||
SP2: | - | ||||||||||||||||||||||||||||||||||||||
SP3: | - | - | - | - | - | - | |||||||||||||||||||||||||||||||||
SP4: | - | - | - | ||||||||||||||||||||||||||||||||||||
SP5: | - | - | - | - | - | - | - | - | - | - | |||||||||||||||||||||||||||||
SP6: |
This gene was present in the common ancestor of animals.
Organism | Taxonomy | Gene | Similarity | Type | Details |
---|---|---|---|---|---|
chimpanzee (Pan troglodytes) |
Mammalia | BEST1 33 32 |
|
OneToOne | |
dog (Canis familiaris) |
Mammalia | BEST1 32 |
|
||
VMD2 33 |
|
OneToOne | |||
cow (Bos Taurus) |
Mammalia | BEST1 33 32 |
|
OneToOne | |
rat (Rattus norvegicus) |
Mammalia | Best1 32 |
|
||
mouse (Mus musculus) |
Mammalia | Best1 17 33 32 |
|
||
platypus (Ornithorhynchus anatinus) |
Mammalia | BEST1 33 |
|
OneToOne | |
oppossum (Monodelphis domestica) |
Mammalia | BEST1 33 |
|
OneToOne | |
chicken (Gallus gallus) |
Aves | BEST1 33 32 |
|
OneToOne | |
lizard (Anolis carolinensis) |
Reptilia | BEST1 33 |
|
OneToOne | |
tropical clawed frog (Silurana tropicalis) |
Amphibia | best1 32 |
|
||
zebrafish (Danio rerio) |
Actinopterygii | LOC560608 32 |
|
||
best1 33 |
|
OneToOne | |||
fruit fly (Drosophila melanogaster) |
Insecta | Best4 33 |
|
ManyToMany | |
Best3 33 |
|
ManyToMany | |||
Best1 33 |
|
ManyToMany | |||
Best2 33 |
|
ManyToMany | |||
worm (Caenorhabditis elegans) |
Secernentea | best-23 33 |
|
ManyToMany | |
best-13 33 |
|
ManyToMany | |||
best-9 33 |
|
ManyToMany | |||
best-14 33 |
|
ManyToMany | |||
best-21 33 |
|
ManyToMany | |||
best-2 33 |
|
ManyToMany | |||
best-3 33 |
|
ManyToMany | |||
best-6 33 |
|
ManyToMany | |||
best-4 33 |
|
ManyToMany | |||
best-1 33 |
|
ManyToMany | |||
best-18 33 |
|
ManyToMany | |||
best-22 33 |
|
ManyToMany | |||
best-5 33 |
|
ManyToMany | |||
best-10 33 |
|
ManyToMany | |||
best-15 33 |
|
ManyToMany | |||
best-7 33 |
|
ManyToMany | |||
best-26 33 |
|
ManyToMany | |||
best-11 33 |
|
ManyToMany | |||
best-19 33 |
|
ManyToMany | |||
best-20 33 |
|
ManyToMany | |||
best-17 33 |
|
ManyToMany | |||
best-8 33 |
|
ManyToMany | |||
best-12 33 |
|
ManyToMany | |||
best-16 33 |
|
ManyToMany | |||
best-25 33 |
|
ManyToMany | |||
best-24 33 |
|
ManyToMany | |||
C09B9.85 33 |
|
ManyToMany | |||
sea squirt (Ciona savignyi) |
Ascidiacea | -- 33 |
|
OneToMany |
SNP ID | Clin | Chr 11 pos | Variation | AA Info | Type |
---|---|---|---|---|---|
rs1109748 | not-provided, benign, not provided, not specified, Vitelliform macular dystrophy type 2, Retinitis Pigmentosa, Recessive, Vitreoretinochoroidopathy | 61,955,173(+) | C/A | 5_prime_UTR_variant, coding_sequence_variant, genic_upstream_transcript_variant, non_coding_transcript_variant, synonymous_variant, upstream_transcript_variant | |
rs111326315 | benign, likely-benign, not specified, Vitelliform macular dystrophy type 2, Iron Overload, Vitreoretinochoroidopathy, Retinitis Pigmentosa, Recessive | 61,962,628(+) | G/A | 3_prime_UTR_variant, coding_sequence_variant, missense_variant, non_coding_transcript_variant | |
rs112199774 | likely-benign, Vitelliform macular dystrophy type 2, Retinitis Pigmentosa, Recessive, Iron Overload, Vitreoretinochoroidopathy | 61,962,297(+) | C/T | 3_prime_UTR_variant, coding_sequence_variant, non_coding_transcript_variant, stop_gained, synonymous_variant | |
rs117165769 | likely-benign, Vitelliform macular dystrophy type 2, Retinitis Pigmentosa, Recessive, Vitreoretinochoroidopathy | 61,950,091(+) | T/A | 5_prime_UTR_variant, genic_upstream_transcript_variant, intron_variant, non_coding_transcript_variant, upstream_transcript_variant | |
rs121918283 | pathogenic, not-provided, Vitelliform macular dystrophy type 2, not provided | 61,959,511(+) | TCATCA/TCA | 5_prime_UTR_variant, coding_sequence_variant, inframe_deletion, intron_variant, non_coding_transcript_variant |
Variant ID | Type | Subtype | PubMed ID |
---|---|---|---|
esv3892020 | CNV | loss | 25118596 |
nsv975936 | CNV | duplication | 23825009 |
Disorder | Aliases | PubMed IDs |
---|---|---|
vitreoretinochoroidopathy |
|
|
bestrophinopathy, autosomal recessive |
|
|
macular dystrophy, vitelliform, 2 |
|
|
retinitis pigmentosa 50 |
|
|
macular dystrophy, vitelliform, 3 |
|
|