The BTB (Broad-Complex, Tramtrack and Bric a brac) domain, also known as the POZ (Poxvirus and Zinc finger) domain, is an N-terminal homodimerization domain that contains multiple copies of kelch repeats and/or C2H2-type zinc fingers. Proteins that contain BTB domains are thought to be involved in transcriptional regulation via control of chromatin structure and function. ZBTB1 (zinc finger and BTB domain containing 1), also known as KIAA0997, is a 713 amino acid nuclear protein that contains one BTB (POZ) domain and 8 C2H2-type zinc fingers. ZBTB2 is a 514 amino acid nuclear protein that contains one BTB (POZ) domain and 4 C2H2-type zinc fingers. ZBTB25, also known as ZNF46 or KUP, is a 435 amino acid nuclear protein that is expressed mainly in hematopoietic cells and testis and contains one BTB (POZ) domain and 2 C2H2-type zinc fingers.
Function:
May be involved in transcriptional regulation.
Subcellular Location:
Nucleus.
Post-translational modifications:
Phosphorylated upon DNA damage, probably by ATM or ATR.
Similarity:
Contains 1 BTB (POZ) domain.
Contains 4 C2H2-type zinc fingers.
SWISS:
Q8N136
Gene ID:
57621
Database links:
UniProtKB/Swiss-Prot: Q8N136.1
Entrez Gene: 416836 Dog
Entrez Gene: 100060294 Horse
Entrez Gene: 57621 Human
Entrez Gene: 381990 Mouse
Entrez Gene: 308126 Rat
SwissPot: Q8N136 Human
Unigene: 520073 Human
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Paraformaldehyde-fixed, paraffin embedded (Mouse brain); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (ZBTB2) Polyclonal Antibody, Unconjugated (SL7707R) at 1:500 overnight at 4°C, followed by a conjugated secondary (sp-0023) for 20 minutes and DAB staining.
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