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- Table of Contents
Designing an IHC experiment for OTUB1? The guide has the expected staining pattern, antigen retrieval and fixation, antibodies backed by real IHC images, the tissue controls to run alongside, and protocols taken from published papers.
Open the OTUB1 IHC GuideFacts about Ubiquitin thioesterase OTUB1.
Acts through its interaction with RNF128/GRAIL, a crucial inductor of CD4 T-cell anergy. Isoform 1 destabilizes RNF128, leading to prevent anergy.
| Human | |
|---|---|
| Gene Name: | OTUB1 |
| Uniprot: | Q96FW1 |
| Entrez: | 55611 |

| Belongs to: |
|---|
| peptidase C65 family |

Deubiquitinating enzyme OTUB1; EC 3.1.2; EC 3.4.19.12; FLJ20113; FLJ40710; hOTU1; MGC111158; OTB1; OTB1MGC4584; OTU domain, ubiquitin aldehyde binding 1; OTU domain-containing ubiquitin aldehyde-binding protein 1; OTU1; OTU1OTU-domain Ubal-binding 1; OTUB1; Otubain1; Otubain-1; ubiquitin thioesterase OTUB1; ubiquitin-specific protease otubain 1; Ubiquitin-specific-processing protease OTUB1
Mass (kDA):
31.284 kDA

| Human | |
|---|---|
| Location: | 11q13.1 |
| Sequence: | 11; NC_000011.10 (63985853..63998420) |
Isoform 1 is ubiquitous. Isoform 2 is expressed only in lymphoid tissues such as tonsils, lymph nodes and spleen, as well as peripheral blood mononuclear cells.
Cytoplasm.





PMID: 12704427 by Balakirev M.Y., et al. Otubains: a new family of cysteine proteases in the ubiquitin pathway.
PMID: 14661020 by Soares L., et al. Two isoforms of otubain 1 regulate T cell anergy via GRAIL.