Human/Mouse/Rat HSP40/DNAJB1 Antibody

  
  • Species Reactivity
    Human, Mouse, Rat
  • Specificity
    Detects endogenous human, mouse and rat HSP40 in Western blots.
  • Source
    Monoclonal Mouse IgG2B Clone # 419401
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    E. coli-derived recombinant human HSP40
    Met1-Ile340
    Accession # P25685
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Western Blot
    0.5 µg/mL
    See below
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Data Examples
Detection of Human/Mouse/Rat HSP40/DNAJB1 by Western Blot. Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line, NIH‑3T3 mouse embryonic fibroblast cell line, and L6 rat myoblast cell line. PVDF membrane was probed with 0.5 µg/mL of Human/Mouse/Rat HSP40/DNAJB1 Monoclonal Antibody (Catalog # MAB4145) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF018). A specific band was detected for HSP40/DNAJB1 at approximately 40 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 2.
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • Stability & Storage
    Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
    • 12 months from date of receipt, -20 to -70 °C as supplied.
    • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
    • 6 months, -20 to -70 °C under sterile conditions after reconstitution.
Background: HSP40/DNAJB1

Heat shock protein 40 kDa (HSP40) is the human homologue of the bacterial DnaJ heat shock protein. HSP40, also known as HSPF1 and DnaJ Homolog subfamily B member 1 (DNAJB1), is a 340 amino acid, 40 kDa member of the heat shock protein family. Heat shock proteins (HSPs) are a highly conserved family of stress response proteins. HSPs function primarily as molecular chaperones, facilitating the folding of other cellular proteins, preventing protein aggregation, or targeting improperly folded proteins to specific degradative pathways. Heat Shock Proteins are ubiquitously expressed in all organisms. They are induced in response to various types of environmental stresses like heat, cold, and oxygen deprivation. HSP40 is a stress inducible chaperone that co-localizes with HSP70 and can bind unfolded proteins and prevent protein denaturation and aggregation. The conserved amino terminal J domain can interact with HSP70 and stimulate its ATPase activity. Human HSP40 shares 95% amino acid identity with mouse and rat HSP40.

  • Long Name:
    Heat Shock 40 kDa Protein
  • Entrez Gene IDs:
    3337 (Human); 81489 (Mouse); 361384 (Rat)
  • Alternate Names:
    DnaJ (Hsp40) homolog, subfamily B, member 1; DnaJ (Hsp40) homolog, subfmaily B, member 1; dnaJ homolog subfamily B member 1; DnaJ protein homolog 1; DNAJ1; DNAJB1; Hdj1; hDj-1; Heat shock 40 kDa protein 1; heat shock 40kD protein 1; Heat shock protein 40; HSP40; HSPF1; HSPF1Hdj1; Human DnaJ protein 1; radial spoke 16 homolog B; RSPH16B; Sis1
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2B Isotype Control

Ctrl MAB004 32  
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Mouse IgG2B Isotype Control

Ctrl MAB0041 7  
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Mouse IgG2B Isotype Control

Ctrl MAB0042 6
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse IgG Antibody

WB AF007 4
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Rat Anti-Mouse IgG2B APC-conjugated Antibody

Flow F0133 1  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Rat Anti-Mouse IgG2B Fluorescein-conjugated Antibody

Flow F0134 1
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Mouse IgG2B Antibody

Flow MAB0043  
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Rat Anti-Mouse IgG2B PE-conjugated Antibody

Flow F0132  
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