ZBTB39
Zinc finger and BTB domain-containing protein 39
Also known as: KIAA0352, ZBT39_HUMAN, ZNF922
Cross-references: UniProt · Ensembl · Human Protein Atlas · GeneCards · NCBI Gene
Protein identityUniProt · HPA
- UniProt accession
- O15060
- Gene
- ZBTB39
- Ensembl
- ENSG00000166860
- Chromosome
- 12
- Canonical length
- 712 aa
- Protein class
- Predicted intracellular proteins, Transcription factors
- Subcellular location
- Vesicles
OverviewNCBI Gene
Predicted to enable DNA-binding transcription repressor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in negative regulation of transcription by RNA polymerase II; regulation of cytokine production; and regulation of immune system process. Predicted to be located in nucleus. Predicted to be active in nucleoplasm. [provided by Alliance of Genome Resources, Jul 2025]
Canonical amino-acid sequenceUniProt
712 residues, UniProt reviewed canonical sequence.
>O15060|ZBTB39
1 MGMRIKLQST NHPNNLLKEL NKCRLSETMC DVTIVVGSRS FPAHKAVLAC AAGYFQNLFL
61 NTGLDAARTY VVDFITPANF EKVLSFVYTS ELFTDLINVG VIYEVAERLG MEDLLQACHS
121 TFPDLESTAR AKPLTSTSES HSGTLSCPSA EPAHPLGELR GGGDYLGADR NYVLPSDAGG
181 SYKEEEKNVA SDANHSLHLP QPPPPPPKTE DHDTPAPFTS IPSMMTQPLL GTVSTGIQTS
241 TSSCQPYKVQ SNGDFSKNSF LTPDNAVDIT TGTNSCLSNS EHSKDPGFGQ MDELQLEDLG
301 DDDLQFEDPA EDIGTTEEVI ELSDDSEDEL AFGENDNREN KAMPCQVCKK VLEPNIQLIR
361 QHARDHVDLL TGNCKVCETH FQDRNSRVTH VLSHIGIFLF SCDMCETKFF TQWQLTLHRR
421 DGIFENNIIV HPNDPLPGKL GLFSGAASPE LKCAACGKVL AKDFHVVRGH ILDHLNLKGQ
481 ACSVCDQRHL NLCSLMWHTL SHLGISVFSC SVCANSFVDW HLLEKHMAVH QSLEDALFHC
541 RLCSQSFKSE AAYRYHVSQH KCNSGLDARP GFGLQHPALQ KRKLPAEEFL GEELALQGQP
601 GNSKYSCKVC GKRFAHTSEF NYHRRIHTGE KPYQCKVCHK FFRGRSTIKC HLKTHSGALM
661 YRCTVCGHYS STLNLMSKHV GVHKGSLPPD FTIEQTFMYI IHSKEADKNP DSLocalizationUniProt · AlphaFold · HPA
Whether an antibody against ZBTB39 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)
- 0.51
- Highest tissue expression
- 6.6 nTPM
Expression across tissuesHPA
Tissue
- testis: 6.6 nTPM
- bone marrow: 5.5 nTPM
- spleen: 3.9 nTPM
- thymus: 3.9 nTPM
- lymph node: 3.6 nTPM
- placenta: 3.5 nTPM
Single-cell type
- late spermatids: 31 nCPM
- early spermatids: 30 nCPM
- differentiating spermatogonia: 21 nCPM
- retinal horizontal cells: 16 nCPM
- early primary spermatocytes: 16 nCPM
- undifferentiated spermatogonia: 10 nCPM
Immune cell
- basophil: 0.7 nTPM
- NK-cell: 0.7 nTPM
- memory CD8 T-cell: 0.6 nTPM
- naive CD8 T-cell: 0.6 nTPM
- plasmacytoid DC: 0.5 nTPM
- gdT-cell: 0.4 nTPM
Brain region
- cerebellum: 6.2 nTPM
- white matter: 6.2 nTPM
- basal ganglia: 5.9 nTPM
- midbrain: 5.9 nTPM
- cerebral cortex: 5.8 nTPM
- thalamus: 5.8 nTPM
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)
- 0.86
- gnomAD pLI
- 0
- gnomAD missense Z
- -0.09
- DepMap mean gene effect
- -0.29
- DepMap dependency class
- selective
Cancer expressionTCGA
Across TCGA tumor cohorts, this protein is over-expressed in roughly 6% of surveyed tumor types (aggregate summary; per-cohort expression, alteration, and survival load in the interactive view).
OntologyGO
Biological processes
- negative regulation of transcription by RNA polymerase II
- regulation of cytokine production
- regulation of immune system process
Molecular functions
- DNA-binding transcription repressor activity, RNA polymerase II-specific
- RNA polymerase II cis-regulatory region sequence-specific DNA binding
- zinc ion binding
Cellular components
Protein domainsUniProt · Pfam · InterPro
- BTB/POZ domain
- SKP1/BTB/POZ domain superfamily
- Zinc finger C2H2-type
- Zinc finger C2H2 superfamily
- Zinc finger, C2H2 type
- BTB/POZ domain
- Zinc finger and BTB domain-containing protein 39, BTB/POZ domain
KeywordsUniProt
Antibody and autoantibody relevanceSeroatlas analysis
Seroatlas reads ZBTB39 as an antibody target. Whether an autoantibody or antibody against ZBTB39 could matter depends on whether native ZBTB39 is physically reachable, whether the body needs it intact, and whether it acts in a disease-relevant tissue.
ZBTB39 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 ZBTB39 as an autoantigen. Seroatlas presents hypothesis context only and does not manufacture a known-serology claim.
Loading the interactive Seroatlas protein explorer...