Q9BTK2
Putative uncharacterized protein LOC642776
Also known as: YX002_HUMAN
Protein identityUniProt · HPA
OverviewNCBI Gene
No narrative summary is available for Q9BTK2 in this catalog release; identity and structured annotations are shown without generated factual claims.
Canonical amino-acid sequenceUniProt
45 residues, UniProt reviewed canonical sequence.
>Q9BTK2|Q9BTK2
1 MEGGMAAYPV ATRESRCRRG RIGVQPSPER RSEVVGPFPL ARSLSLocalizationUniProt · AlphaFold · HPA
Whether an antibody against Q9BTK2 can act on the native protein depends on physical access: surface and secreted proteins are reachable by circulating antibodies, intracellular proteins usually are not.
- Antibody reachability
- Unknown
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.72
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads Q9BTK2 as an antibody target. Whether an autoantibody or antibody against Q9BTK2 could matter depends on whether native Q9BTK2 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
Q9BTK2 is annotated as predominantly intracellular. Intracellular proteins are common autoantibody markers, becoming visible to the immune system after cell injury or altered processing, but are usually markers of disease rather than direct drivers.
Annotation status
The present source text does not explicitly label Q9BTK2 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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