Product: ID3 Antibody
Catalog: DF12520
Description: Rabbit polyclonal antibody to ID3
Application: WB
Reactivity: Human, Mouse, Rat
Prediction: Pig, Bovine, Horse, Sheep, Rabbit, Dog
Mol.Wt.: 42 kDa; 13kD(Calculated).
Uniprot: Q02535
RRID: AB_2845482

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 100ul $280 In stock
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Product Info

Source:
Rabbit
Application:
WB 1:500-1:2000
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human,Mouse,Rat
Prediction:
Pig(100%), Bovine(100%), Horse(92%), Sheep(100%), Rabbit(100%), Dog(100%)
Clonality:
Polyclonal
Specificity:
ID3 Antibody detects endogenous levels of total ID3.
RRID:
AB_2845482
Cite Format: Affinity Biosciences Cat# DF12520, RRID:AB_2845482.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

1R21; bHLHb25; Class B basic helix-loop-helix protein 25; DNA binding protein inhibitor ID 3; DNA-binding protein inhibitor ID-3; HEIR 1; HEIR1; Helix loop helix protein HEIR 1; Helix loop helix protein HEIR1; Helix-loop-helix protein HEIR-1; HLH642; ID 3; ID like protein inhibitor HLH 1R21; ID like protein inhibitor HLH 462; ID-like protein inhibitor HLH 1R21; ID3; ID3_HUMAN; Inhibitor of DNA binding 3; Inhibitor of DNA binding 3 dominant negative helix loop helix protein;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Expression:
Q02535 ID3_HUMAN:

Expressed abundantly in lung, kidney and adrenal gland, but not in adult brain.

Sequence:
MKALSPVRGCYEAVCCLSERSLAIARGRGKGPAAEEPLSLLDDMNHCYSRLRELVPGVPRGTQLSQVEILQRVIDYILDLQVVLAEPAPGPPDGPHLPIQTAELTPELVISNDKRSFCH

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Pig
100
Bovine
100
Sheep
100
Dog
100
Rabbit
100
Horse
92
Xenopus
50
Chicken
50
Zebrafish
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q02535 As Substrate

Site PTM Type Enzyme
K2 Acetylation
K2 Ubiquitination
S5 Phosphorylation P24941 (CDK2)
Y11 Phosphorylation
S18 Phosphorylation
S21 Phosphorylation
K30 Ubiquitination
Y48 Phosphorylation
S65 Phosphorylation

Research Backgrounds

Function:

Transcriptional regulator (lacking a basic DNA binding domain) which negatively regulates the basic helix-loop-helix (bHLH) transcription factors by forming heterodimers and inhibiting their DNA binding and transcriptional activity. Implicated in regulating a variety of cellular processes, including cellular growth, senescence, differentiation, apoptosis, angiogenesis, and neoplastic transformation. Involved in myogenesis by inhibiting skeletal muscle and cardiac myocyte differentiation and promoting muscle precursor cells proliferation. Inhibits the binding of E2A-containing protein complexes to muscle creatine kinase E-box enhancer. Regulates the circadian clock by repressing the transcriptional activator activity of the CLOCK-ARNTL/BMAL1 heterodimer.

Subcellular Location:

Nucleus.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Tissue Specificity:

Expressed abundantly in lung, kidney and adrenal gland, but not in adult brain.

Subunit Structure:

Homodimer, and heterodimer with other HLH proteins. Interacts with COPS5 and COPS7A. Interacts with IFI204. Interacts with GATA4 and NKX2-5. Interacts with ANKRD2; both proteins cooperate in myoblast differentiation (By similarity). Interacts with CLOCK and ARNTL/BMAL1.

Research Fields

· Cellular Processes > Cellular community - eukaryotes > Signaling pathways regulating pluripotency of stem cells.   (View pathway)

· Environmental Information Processing > Signal transduction > TGF-beta signaling pathway.   (View pathway)

References

1). Vitamin a potentiates sheep myoblasts myogenic differentiation through BHLHE40-modulated ID3 expression. BMC genomics, 2024 (PubMed: 38443816) [IF=4.4]

Application: WB    Species: sheep    Sample:

Fig. 4. BHLHE40 targets and inhibits ID3 gene expression. (A) Relative mRNA content of ID3 in control and Vitamin A groups lamb. (B) Relative mRNA content of ID3 during differentiation of myoblasts. (C) Relative mRNA content of ID3 in control and RA groups of differentiated myoblasts. (D) Protein abundance of ID3 in control and RA groups of differentiated myoblasts. (E) Relative mRNA content of ID3 after inhibition or overexpression of BHLHE40. (F) Protein abundance of ID3 after inhibition of BHLHE40. (G) Protein abundance of ID3 after overexpression of BHLHE40. (H) Dual luciferase reporter assay. (Mean ± SEM; n = 3 in each group, *P 

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