Q9Y3F1
Putative TAP2-associated 6.5 kDa polypeptide
Also known as: TA6P_HUMAN
Protein identityUniProt · HPA
OverviewNCBI Gene
No narrative summary is available for Q9Y3F1 in this catalog release; identity and structured annotations are shown without generated factual claims.
Canonical amino-acid sequenceUniProt
56 residues, UniProt reviewed canonical sequence.
>Q9Y3F1|Q9Y3F1
1 MSLLWTPQIL TISFVSYILS LFPSPFPSCY TSCWFETSIT TEKELNQYFE LAKFLALocalizationUniProt · AlphaFold · HPA
Whether an antibody against Q9Y3F1 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)
- 0.56
Protein domainsUniProt · Pfam · InterPro
- GPI-anchored cell wall protein repeat
- Hyphally regulated cell wall GPI-anchored protein 1
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads Q9Y3F1 as an antibody target. Whether an autoantibody or antibody against Q9Y3F1 could matter depends on whether native Q9Y3F1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
Q9Y3F1 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 Q9Y3F1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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