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GeneQ17910149· pop 7· linked from 32 articles

Also known as CATCN3, CTRCT17, crystallin beta B1

Beta-crystallin B1 is a protein that in humans is encoded by the CRYBB1 gene. Variants in CRYBB1 are associated with autosomal dominant congenital cataract.

Gene data

CRYBB1
Name
crystallin beta B1
Type
protein-coding
Position
26,599,277–26,619,630 (−)
Aliases
CATCN3, CTRCT17
RefSeq RNA
NM_001887.4, XM_011529899.4, XM_054325113.1
RefSeq protein
NP_001878.1, XP_011528201.1, XP_054181088.1

Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. Since lens central fiber cells lose their nuclei during development, these crystallins are made and then retained throughout life, making them extremely stable proteins. Mammalian lens crystallins are divided into alpha, beta, and gamma families; beta and gamma crystallins are also considered as a superfamily. Alpha and beta families are further divided into acidic and basic groups. Seven protein regions exist in crystallins: four homologous motifs, a connecting peptide, and N- and C-terminal extensions. Beta-crystallins, the most heterogeneous, differ by the presence of the C-terminal extension (present in the basic group, none in the acidic group). Beta-crystallins form aggregates of different sizes and are able to self-associate to form dimers or to form heterodimers with other beta-crystallins. This gene, a beta basic group member, undergoes extensive cleavage at its N-terminal extension during lens maturation. It is also a member of a gene cluster with beta-A4, beta-B2, and beta-B3. [provided by RefSeq, Jul 2008].

via MyGene.info

Gene · Ensembl

crystallin beta B1

Symbol
CRYBB1
Biotype
Protein coding
Organism
Homo sapiens
Location
22:26,599,277-26,619,630
Strand
Reverse (−)
Assembly
GRCh38
View on Ensembl →

via Ensembl · EMBL-EBI

Wikidata facts

Image
Protein CRYBB1 PDB 1oki.png
Show 5 more facts
HomoloGene ID
1423
genomic end
26618027
genomic start
26995242
cytogenetic location
22q12.1
Sources (4)

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Beta-crystallin B1 is a protein that in humans is encoded by the CRYBB1 gene. Variants in CRYBB1 are associated with autosomal dominant congenital cataract.

Crystallins are separated into two classes: taxon-specific, or enzyme, and ubiquitous. The latter class constitutes the major proteins of vertebrate eye lens and maintains the transparency and refractive index of the lens. Since lens central fiber cells lose their nuclei during development, these crystallins are made and then retained throughout life, making them extremely stable proteins.

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