Homo sapiens Gene: CRYAB | |||||||||||||||||||||||||||||||||||||||||||||
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Summary | |||||||||||||||||||||||||||||||||||||||||||||
InnateDB Gene | IDBG-71081.6 | ||||||||||||||||||||||||||||||||||||||||||||
Last Modified | 2014-10-13 [Report errors or provide feedback] | ||||||||||||||||||||||||||||||||||||||||||||
Gene Symbol | CRYAB | ||||||||||||||||||||||||||||||||||||||||||||
Gene Name | crystallin, alpha B | ||||||||||||||||||||||||||||||||||||||||||||
Synonyms | CMD1II; CRYA2; CTPP2; CTRCT16; HEL-S-101; HSPB5; MFM2 | ||||||||||||||||||||||||||||||||||||||||||||
Species | Homo sapiens | ||||||||||||||||||||||||||||||||||||||||||||
Ensembl Gene | ENSG00000109846 | ||||||||||||||||||||||||||||||||||||||||||||
Encoded Proteins |
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
crystallin, alpha B
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Protein Structure | |||||||||||||||||||||||||||||||||||||||||||||
Useful resources | Stemformatics EHFPI ImmGen | ||||||||||||||||||||||||||||||||||||||||||||
InnateDB Annotation from Orthologs | |||||||||||||||||||||||||||||||||||||||||||||
Summary |
[Mus musculus] CRYAB is a suppressor of neuroinflammation, and the suppression is mediated by DRD2 in astrocytes.
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Entrez Gene | |||||||||||||||||||||||||||||||||||||||||||||
Summary |
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. Alpha crystallins are composed of two gene products: alpha-A and alpha-B, for acidic and basic, respectively. Alpha crystallins can be induced by heat shock and are members of the small heat shock protein (sHSP also known as the HSP20) family. They act as molecular chaperones although they do not renature proteins and release them in the fashion of a true chaperone; instead they hold them in large soluble aggregates. Post-translational modifications decrease the ability to chaperone. These heterogeneous aggregates consist of 30-40 subunits; the alpha-A and alpha-B subunits have a 3:1 ratio, respectively. Two additional functions of alpha crystallins are an autokinase activity and participation in the intracellular architecture. Alpha-A and alpha-B gene products are differentially expressed; alpha-A is preferentially restricted to the lens and alpha-B is expressed widely in many tissues and organs. Elevated expression of alpha-B crystallin occurs in many neurological diseases; a missense mutation cosegregated in a family with a desmin-related myopathy. [provided by RefSeq, Jul 2008] Mammalian lens crystallins are divided into alpha, beta, and gamma families. Alpha crystallins are composed of two gene products: alpha-A and alpha-B, for acidic and basic, respectively. Alpha crystallins can be induced by heat shock and are members of the small heat shock protein (HSP20) family. They act as molecular chaperones although they do not renature proteins and release them in the fashion of a true chaperone; instead they hold them in large soluble aggregates. Post-translational modifications decrease the ability to chaperone. These heterogeneous aggregates consist of 30-40 subunits; the alpha-A and alpha-B subunits have a 3:1 ratio, respectively. Two additional functions of alpha crystallins are an autokinase activity and participation in the intracellular architecture. The encoded protein has been identified as a moonlighting protein based on its ability to perform mechanistically distinct functions. Alpha-A and alpha-B gene products are differentially expressed; alpha-A is preferentially restricted to the lens and alpha-B is expressed widely in many tissues and organs. Elevated expression of alpha-B crystallin occurs in many neurological diseases; a missense mutation cosegregated in a family with a desmin-related myopathy. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Jan 2014] |
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Gene Information | |||||||||||||||||||||||||||||||||||||||||||||
Type | Protein coding | ||||||||||||||||||||||||||||||||||||||||||||
Genomic Location | Chromosome 11:111908565-111923722 | ||||||||||||||||||||||||||||||||||||||||||||
Strand | Reverse strand | ||||||||||||||||||||||||||||||||||||||||||||
Band | q23.1 | ||||||||||||||||||||||||||||||||||||||||||||
Transcripts | |||||||||||||||||||||||||||||||||||||||||||||
Interactions | |||||||||||||||||||||||||||||||||||||||||||||
Number of Interactions |
This gene and/or its encoded proteins are associated with 98 experimentally validated interaction(s) in this database.
They are also associated with 12 interaction(s) predicted by orthology.
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Gene Ontology | |||||||||||||||||||||||||||||||||||||||||||||
Molecular Function |
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Biological Process |
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Cellular Component |
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Orthologs | |||||||||||||||||||||||||||||||||||||||||||||
Species
Mus musculus
Bos taurus
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Gene ID
Gene Order
Not yet available
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Pathways | |||||||||||||||||||||||||||||||||||||||||||||
NETPATH |
TNFalpha pathway
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REACTOME | |||||||||||||||||||||||||||||||||||||||||||||
KEGG |
Protein processing in endoplasmic reticulum pathway
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INOH | |||||||||||||||||||||||||||||||||||||||||||||
PID NCI | |||||||||||||||||||||||||||||||||||||||||||||
Cross-References | |||||||||||||||||||||||||||||||||||||||||||||
SwissProt | |||||||||||||||||||||||||||||||||||||||||||||
TrEMBL | E9PJL7 E9PNH7 E9PR44 E9PRS4 E9PS12 | ||||||||||||||||||||||||||||||||||||||||||||
UniProt Splice Variant | |||||||||||||||||||||||||||||||||||||||||||||
Entrez Gene | 1410 | ||||||||||||||||||||||||||||||||||||||||||||
UniGene | |||||||||||||||||||||||||||||||||||||||||||||
RefSeq | NM_001289807 NM_001289808 NM_001885 | ||||||||||||||||||||||||||||||||||||||||||||
HUGO | HGNC:2389 | ||||||||||||||||||||||||||||||||||||||||||||
OMIM | 123590 | ||||||||||||||||||||||||||||||||||||||||||||
CCDS | CCDS8351 | ||||||||||||||||||||||||||||||||||||||||||||
HPRD | 00428 | ||||||||||||||||||||||||||||||||||||||||||||
IMGT | |||||||||||||||||||||||||||||||||||||||||||||
EMBL | AP000907 | ||||||||||||||||||||||||||||||||||||||||||||
GenPept | |||||||||||||||||||||||||||||||||||||||||||||
RNA Seq Atlas | 1410 | ||||||||||||||||||||||||||||||||||||||||||||