Tbio CRYBB1 Beta-crystallin B1

Protein Summary

Description

Crystallins are the dominant structural components of the vertebrate eye lens. 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]

Uniprot Accession IDs

• P53674

Gene Name

• CRYBB1

Ensembl ID

• ENST00000215939
• ENSP00000215939
• ENSG00000100122
• ENST00000647684
• ENSP00000497249

Symbol

• CATCN3
• CTRCT17

Knowledge Table

Most Knowledge About	Knowledge Value (0 to 1 scale)
cell type or tissue	0.72
tissue sample	0.66
cell line	0.63
biological term	0.5
gene perturbation	0.45

Protein Classes

No PANTHER Classes or DTO Classes found

IDG Development Level Summary

Tdark

These are targets about which virtually nothing is known. They do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 96.16   (req: < 5)

Gene RIFs: 31   (req: <= 3)

Antibodies: 149   (req: <= 50)

Tbio

These targets do not have known drug or small molecule activities
- AND - satisfy two or more of the following criteria:

Pubmed score: 96.16   (req: >= 5)

Gene RIFs: 31   (req: > 3)

Antibodies: 149   (req: > 50)

- OR - satisfy the following criterion:

Gene Ontology Terms: 2

Tchem

Target has at least one ChEMBL compound with an activity cutoff of < 30 nM - AND - satisfies the preceding conditions

Active Ligand: 0

Tclin

Target has at least one approved drug - AND - satisfies the preceding conditions

Active Drug: 0