Seroatlas · Human Serome Atlas

GIG44

Putative insulin-like growth factor 2-associated protein

Also known as: IG2R_HUMAN

Cross-references: UniProt · GeneCards · NCBI Gene

Protein identityUniProt · HPA

UniProt accession
P09565
Gene
GIG44
Canonical length
113 aa

OverviewNCBI Gene

No narrative summary is available for GIG44 in this catalog release; identity and structured annotations are shown without generated factual claims.

Canonical amino-acid sequenceUniProt

113 residues, UniProt reviewed canonical sequence.

>P09565|GIG44
     1  MTPGVVHASP PQSQRVPRQA PCEWAIRNIG QKPKEPNCHN CGTHIGLRSK TLRGTPNYLP
    61  IRQDTHPPSV IFCLAGVGVP GGTCRPAPCV PRFAALPWAT NHPGPGCLSD LRA

LocalizationUniProt · AlphaFold · HPA

Whether an antibody against GIG44 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)
0.71

Antibody and autoantibody relevanceSeroatlas analysis

Seroatlas reads GIG44 as an antibody target. Whether an autoantibody or antibody against GIG44 could matter depends on whether native GIG44 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.

GIG44 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 GIG44 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.

Canonical record: https://seroatlas.com/gene/GIG44. Study-independent annotations aggregated from UniProt, Human Protein Atlas, PubMed, IEDB, Pfam, InterPro, Gene Ontology, AlphaFold, gnomAD, DepMap, ClinVar, TCGA. Catalog release seroatlas-reviewed-human-uniprot-20260313.

Seroatlas is the reference for exploring autoantibody and antibody serology at the human-protein level: the autoreactome and human serome, multiplex serology (HuProt, HuScan, VirScan, PhIP-Seq).

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