1. Recombinant Proteins
  2. Enzymes & Regulators
  3. CEBPA Protein, Human (His)

CEBPA protein, also known as CCAAT/enhancer-binding protein α, is a transcription factor that plays a crucial role in regulating the expression of genes related to cell differentiation, proliferation, and metabolism. The reference paragraph states that CEBPA protein interacts with TAF1A and UBTF. CEBPA Protein, Human (His) is the recombinant human-derived CEBPA protein, expressed by E. coli , with N-His labeled tag. The total length of CEBPA Protein, Human (His) is 358 a.a., with molecular weight of ~44 kDa.

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Description

CEBPA protein, also known as CCAAT/enhancer-binding protein α, is a transcription factor that plays a crucial role in regulating the expression of genes related to cell differentiation, proliferation, and metabolism. The reference paragraph states that CEBPA protein interacts with TAF1A and UBTF. CEBPA Protein, Human (His) is the recombinant human-derived CEBPA protein, expressed by E. coli , with N-His labeled tag. The total length of CEBPA Protein, Human (His) is 358 a.a., with molecular weight of ~44 kDa.

Background

CEBPA protein, also known as CCAAT/enhancer-binding protein alpha, is a transcription factor that plays a crucial role in regulating the expression of genes involved in cellular differentiation, proliferation, and metabolism. CEBPA protein interacts with TAF1A and UBTF. TAF1A is a component of the general transcription factor TFIID, which is essential for the initiation of transcription. The interaction between CEBPA and TAF1A suggests a potential involvement of CEBPA in the regulation of transcriptional activity through its association with the TFIID complex. UBTF, on the other hand, is a nucleolar protein that participates in ribosomal RNA transcription and ribosome biogenesis. The interaction between CEBPA and UBTF hints at a potential role for CEBPA in the regulation of these processes. Further investigation is needed to fully understand the functional implications of these interactions and their contribution to cellular processes governed by CEBPA protein.

Species

Human

Source

E. coli

Tag

N-His

Accession

P49715-1 (M1-A358)

Gene ID

1050

Molecular Construction
N-term
His
CEBPA (M1-A358)
Accession # P49715-1
C-term
Synonyms
Apoptotic cysteine protease; Apoptotic protease Mch 5; C/EBP alpha; C/ebpalpha; CAP4; Caspase 8 precursor; CBF-A; CCAAT Enhancer Binding Protein alpha; CCAAT/enhancer binding protein (C/EBP), alpha; CCAAT/enhancer-binding protein alpha; CEBP; CEBP A; CEBP alpha; Cebpa; CEBPA_HUMAN; FADD homologous; ICE/CED 3 like protease; FADD like ICE; FLICE; ICE like apoptotic protease 5; ICE8; MACH
AA Sequence

MESADFYEAEPRPPMSSHLQSPPHAPSSAAFGFPRGAGPAQPPAPPAAPEPLGGICEHETSIDISAYIDPAAFNDEFLADLFQHSRQQEKAKAAVGPTGGGGGGDFDYPGAPAGPGGAVMPGGAHGPPPGYGCAAAGYLDGRLEPLYERVGAPALRPLVIKQEPREEDEAKQLALAGLFPYQPPPPPPPSHPHPHPPPAHLAAPHLQFQIAHCGQTTMHLQPGHPTPPPTPVPSPHPAPALGAAGLPGPGSALKGLGAAHPDLRASGGSGAGKAKKSVDKNSNEYRVRRERNNIAVRKSRDKAKQRNVETQQKVLELTSDNDRLRKRVEQLSRELDTLRGIFRQLPESSLVKAMGNCA

Molecular Weight

Approximately 44 kDa

Purity
  • Greater than 95% as determined by reducing SDS-PAGE.
Appearance

Lyophilized powder

Formulation

Lyophilized from sterile 50 mM Tris-HCL, 300 mM NaCl, 200 mM arginine, pH 8.0.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Reconstitution

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Storage & Stability

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Shipping

Room temperature in continental US; may vary elsewhere.

Documentation

CEBPA Protein, Human (His) Related Classifications

Help & FAQs
  • How should lyophilized recombinant proteins be reconstituted and stored?

    1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss. 2. Taking 10 μg as an example, first add 20 μL of reconstituted solution provided by MCE and use a pipette to gently resuspend the lyophilized protein until it is fully dissolved.. (For most proteins, the reconstitution solution we provide is sterile water. If a diluent other than water is required, it will be indicated in the product's Certificate of Analysis (COA).). 3. Add an additional 80 μL of buffer/culture medium containing carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% trehalose), and then use a pipette to gently mix until uniform. The final concentration is should not be lower than 100 μg/mL. 4. Aliquot at least 20 μL per tube. 5. After aliquoting, store it frozen at a temperature ranging from -20ºC to -80ºC, and it can be preserved for 3 to 6 months.

  • How should solution-form recombinant proteins be stored?

    1. The product can be stored in its original form and diluted as needed upon use. 2. Alternatively, dilute with a buffer/culture medium containing a carrier protein (either 0.1% BSA, 5% HSA, 10% FBS, or 5% alginate), mix well by pipetting, and ensure that

  • Why is it necessary to add carrier proteins?

    Carrier proteins are commonly added to enhance the stability of recombinant proteins, preventing them from adhering to the walls of the container during freezing or thawing processes. Plastic tubes have a certain adsorptive capacity for proteins, which may lead to difficulty in separating the protein from the tube walls, resulting in a decrease in the actual concentration of the protein in the solution and thus affecting its activity. To minimize such losses, it is recommended to add a commonly used carrier protein solution prior to the long-term storage of recombinant protein products.

  • Carrier protein types and options?

    In cases where the carrier protein is not expected to influence the experimental outcomes, an appropriate carrier protein, such as 0.1% BSA (Bovine Serum Albumin), 5% HSA (Human Serum Albumin), 10% FBS (Fetal Bovine Serum), or 5% trehalose, can be incorpo

  • Reconstitution Calculator

  • Dilution Calculator

  • Specific Activity Calculator

The reconstitution calculator equation

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration

Volume (to add to vial) = Mass (in vial) ÷ Desired Reconstitution Concentration
= ÷

The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
× = ×
C1   V1   C2   V2

The specific activity calculator equation

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)

Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
Unit/mg = 106 ÷ ng/mL

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Product Name:
CEBPA Protein, Human (His)
Cat. No.:
HY-P701227
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