SPTY2D1
Protein SPT2 homolog
Also known as: DKFZp686I068, FLJ39441, Spt2, SPT2_HUMAN
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- Q68D10
- Gene
- SPTY2D1
- Ensembl
- ENSG00000179119
- Chromosome
- 11
- Canonical length
- 685 aa
- Protein class
- Predicted intracellular proteins
- Subcellular location
- Nucleoplasm,Nucleoli
OverviewNCBI Gene
Enables DNA binding activity; histone binding activity; and histone chaperone activity. Involved in heterochromatin formation; nucleosome assembly; and regulation of DNA-templated transcription. Located in nucleolus and nucleoplasm. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
685 residues, UniProt reviewed canonical sequence.
>Q68D10|SPTY2D1
1 MDFREILMIA SKGQGVNNVP KRYSLAVGPP KKDPKVKGVQ SAAVQAFLKR KEEELRRKAL
61 EEKRRKEELV KKRIELKHDK KARAMAKRTK DNFHGYNGIP IEEKSKKRQA TESHTSQGTD
121 REYEMEEENE FLEYNHAESE QEYEEEQEPP KVESKPKVPL KSAPPPMNFT DLLRLAEKKQ
181 FEPVEIKVVK KSEERPMTAE ELREREFLER KHRRKKLETD GKLPPTVSKK APSQKESVGT
241 KLSKGSGDRH PSSKGMPLPH AEKKSRPSMA NEKHLALSSS KSMPGERIKA GSGNSSQPSL
301 REGHDKPVFN GAGKPHSSTS SPSVPKTSAS RTQKSAVEHK AKKSLSHPSH SRPGPMVTPH
361 NKAKSPGVRQ PGSSSSSAPG QPSTGVARPT VSSGPVPRRQ NGSSSSGPER SISGSKKPTN
421 DSNPSRRTVS GTCGPGQPAS SSGGPGRPIS GSVSSARPLG SSRGPGRPVS SPHELRRPVS
481 GLGPPGRSVS GPGRSISGSI PAGRTVSNSV PGRPVSSLGP GQTVSSSGPT IKPKCTVVSE
541 TISSKNIISR SSNGQMNGMK PPLSGYRAAQ GPQRLPFPTG YKRQREYEEE DDDDDEYDSE
601 MEDFIEDEGE PQEEISKHIR EIFGYDRKKY KDESDYALRY MESSWKEQQK EEAKSLRLGM
661 QEDLEEMRRE EEEMQRRRAK KLKRRLocalizationUniProt · AlphaFold · HPA
Whether an antibody against SPTY2D1 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
- Intracellular
- Secreted
- No
- Transmembrane segments
- 0
- Mean surface accessibility (rSASA)
- 0.67
- Highest tissue expression
- 32 nTPM
Expression across tissuesHPA
Tissue
- bone marrow: 32 nTPM
- cervix: 10 nTPM
- liver: 9.6 nTPM
- breast: 9.4 nTPM
- gallbladder: 9.4 nTPM
- thyroid gland: 9.3 nTPM
Single-cell type
- neutrophils: 208 nCPM
- granulosa cells: 125 nCPM
- innate lymphoid cells: 121 nCPM
- endometrial secretory cells: 115 nCPM
- plasma cells: 107 nCPM
- t-cells: 92 nCPM
Immune cell
- basophil: 4.7 nTPM
- MAIT T-cell: 4.1 nTPM
- NK-cell: 3.8 nTPM
- T-reg: 3.1 nTPM
- eosinophil: 2.9 nTPM
- intermediate monocyte: 2.9 nTPM
Brain region
- cerebral cortex: 13 nTPM
- choroid plexus: 10 nTPM
- cerebellum: 8.7 nTPM
- white matter: 7.6 nTPM
- midbrain: 7.3 nTPM
- hippocampal formation: 7.2 nTPM
DiseaseUniProt · ClinVar · IEDB · PubMed
Four sources answering four different questions about SPTY2D1.
Disease | GeneticClinVar
1 pathogenic / likely-pathogenic of 107 ClinVar records.
Conditions with pathogenic or likely-pathogenic variants.
Genetic constraint and essentialitygnomAD · DepMap
Does the body need this protein intact? Low LOEUF or a strong DepMap dependency means loss or blockade of the protein is likely to be felt.
- gnomAD LOEUF (loss-of-function intolerance)
- 0.34
- gnomAD pLI
- 0.94
- gnomAD missense Z
- 1.02
- DepMap mean gene effect
- 0.06
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 4% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- heterochromatin formation
- nucleosome assembly
- regulation of DNA-templated transcription
- transcription by RNA polymerase I
Molecular functions
Cellular components
Protein domainsUniProt · Pfam · InterPro
- Chromatin SPT2
- SPT2 homolog, N-terminal
- SPT2 chromatin protein
- SPT2 N-terminal domain
KeywordsUniProt
InteractionsUniProt · HPA
Protein binding partners of SPTY2D1 in the human serome: UniProt-annotated complex subunits plus reported interactors. Each links to its own Seroatlas record.
- H4
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads SPTY2D1 as an antibody target. Whether an autoantibody or antibody against SPTY2D1 could matter depends on whether native SPTY2D1 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
SPTY2D1 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 SPTY2D1 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
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