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- Table of Contents
Facts about Double-stranded RNA-specific editase 1.
Can edit both viral and cellular RNAs and can edit RNAs at multiple sites (hyper-editing) or at particular sites (site-specific editing). Its cellular RNA substrates include: bladder cancer- associated protein (BLCAP), neurotransmitter receptors for glutamate (GRIA2 and GRIK2) and serotonin (HTR2C), GABA receptor (GABRA3) and potassium voltage-gated channel (KCNA1).
Human | |
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Gene Name: | ADARB1 |
Uniprot: | P78563 |
Entrez: | 104 |
Belongs to: |
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No superfamily |
ADAR2a; ADAR2ADAR2g; ADAR2a-L1; ADAR2a-L2; ADAR2a-L3; ADAR2b; ADAR2c; adenosine deaminase, RNA-specific, B1; double-stranded RNA-specific editase 1; DRABA2; DRADA2hRED1; EC 3.5; human dsRNA adenosine deaminase DRADA2; human dsRNA adenosine deaminase DRADA2b, EC 3.510adenosine deaminase, RNA-specific, B1 (homolog of rat RED1); RED1 homolog; RED1ADAR2d; RNA editase; RNA editing deaminase 1; RNA-editing deaminase 1; RNA-editing enzyme 1; RNA-specific, B1 (RED1 homolog rat)
Mass (kDA):
80.763 kDA
Human | |
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Location: | 21q22.3 |
Sequence: | 21; NC_000021.9 (45074578..45226563) |
Highly expressed in brain and heart and at lower levels in placenta. Fair expression in lung, liver and kidney. Detected in brain, heart, kidney, lung and liver (at protein level). Isoform 5 is high expressed in hippocampus and colon. Isoform 5 is expressed in pediatric astrocytomas and the protein has a decreased RNA-editing activity. The decrease in RNA editing correlates with the grade of malignancy of the tumors, with the high grade tumors showing lower editing is seen.
Nucleus. Nucleus, nucleolus. Shuttles between nucleoli and the nucleoplasm.
PMID: 9149227 by Gerber A., et al. Two forms of human double-stranded RNA-specific editase 1 (hRED1) generated by the insertion of an Alu cassette.
PMID: 9143496 by Mittaz L., et al. Cloning of a human RNA editing deaminase (ADARB1) of glutamate receptors that maps to chromosome 21q22.3.