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- Table of Contents
Facts about BRISC complex subunit Abraxas 2.
Plays a role in regulating the onset of apoptosis via its role in regulating'Lys- 63'-linked ubiquitination of target proteins (By similarity). Required for normal mitotic spindle assembly and microtubule attachment to kinetochores via its role in deubiquitinating NUMA1 (PubMed:26195665).
| Human | |
|---|---|
| Gene Name: | ABRAXAS2 |
| Uniprot: | Q15018 |
| Entrez: | 23172 |

| Belongs to: |
|---|
| FAM175 family |

BRISC complex subunit Abraxas 2
Mass (kDA):
46.901 kDA

| Human | |
|---|---|
| Location: | 10q26.13 |
| Sequence: | 10; NC_000010.11 (124801803..124836670) |
Detected in heart muscle (at protein level). Detected in heart and muscle, and at much lower levels in brain (PubMed:21195082).
Cytoplasm. Nucleus. Cytoplasm, cytoskeleton, spindle pole. Cytoplasm, cytoskeleton. A minor proportion is detected in the nucleus (PubMed:21282113, PubMed:22974638). Translocates into the nucleus in response to DNA damage (PubMed:25283148). Directly binds to microtubules and is detected at the minus end of K-fibers (PubMed:26195665). Co-localizes with NUMA1 at mitotic spindle poles (PubMed:26195665).


PMID: 17525340 by Wang B., et al. Abraxas and RAP80 form a BRCA1 protein complex required for the DNA damage response.
PMID: 19214193 by Cooper E.M., et al. K63-specific deubiquitination by two JAMM/MPN+ complexes: BRISC- associated Brcc36 and proteasomal Poh1.