1. Recombinant Proteins
  2. Enzymes & Regulators
  3. Oxidoreductases (EC 1)
  4. CYBB/Nox2 Protein, Human (His)

The CYBB/Nox2 protein is an important membrane-bound oxidase in phagocytes and is critical for superoxide production. As the terminal element of the respiratory chain, it transfers a single electron from NADPH to molecular oxygen. CYBB/Nox2 Protein, Human (His) is the recombinant human-derived CYBB/Nox2 protein, expressed by E. coli , with N-6*His labeled tag.

For research use only. We do not sell to patients.

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Description

The CYBB/Nox2 protein is an important membrane-bound oxidase in phagocytes and is critical for superoxide production. As the terminal element of the respiratory chain, it transfers a single electron from NADPH to molecular oxygen. CYBB/Nox2 Protein, Human (His) is the recombinant human-derived CYBB/Nox2 protein, expressed by E. coli , with N-6*His labeled tag.

Background

CYBB/Nox2 protein serves as a crucial component of the membrane-bound oxidase found in phagocytes, playing a pivotal role in the generation of superoxide. As the terminal element of a respiratory chain, it facilitates the transfer of single electrons from cytoplasmic NADPH across the plasma membrane to molecular oxygen on the exterior. Additionally, CYBB/Nox2 operates as a voltage-gated proton channel, orchestrating H(+) currents in resting phagocytes. Its involvement extends to the regulation of cellular pH, and notably, this function is modulated by zinc, which serves as a blocking agent for the channel. The multifaceted activities of CYBB/Nox2 underscore its significance in the intricate cellular processes associated with oxidative and protonic regulation within phagocytes.

Biological Activity

Measured by its binding ability in a functional ELISA. Immobilized Human CYBB at 2 μg/mL can bind Anti-CYBB antibody. The ED50 for this effect is 25.87 ng/mL.

  • Measured by its binding ability in a functional ELISA. Immobilized Human CYBB at 2 μg/mL can bind Anti-CYBB antibody. The ED50 for this effect is 25.87 ng/mL.
Species

Human

Source

E. coli

Tag

N-6*His

Accession

P04839 (E283-F570)

Gene ID
Molecular Construction
N-term
6*His
CYBB (E283-F570)
Accession # P04839
C-term
Protein Length

Partial

Synonyms
AMCBX2; CGD; CGD91-phox; CY24B_HUMAN; CYBB; Cytochrome b 245; beta polypeptide; Cytochrome b558; beta chain; Cytochrome b558; subunit beta; Cytochrome b-245 heavy chain; Cytochrome b558 subunit beta; GP91 PHOX; gp91-1; gp91-phox; GP91PHOX; Heme-binding membrane glycoprotein gp91phox;
AA Sequence

ERLVRFWRSQQKVVITKVVTHPFKTIELQMKKKGFKMEVGQYIFVKCPKVSKLEWHPFTLTSAPEEDFFSIHIRIVGDWTEGLFNACGCDKQEFQDAWKLPKIAVDGPFGTASEDVFSYEVVMLVGAGIGVTPFASILKSVWYKYCNNATNLKLKKIYFYWLCRDTHAFEWFADLLQLLESQMQERNNAGFLSYNIYLTGWDESQANHFAVHHDEEKDVITGLKQKTLYGRPNWDNEFKTIASQHPNTRIGVFLCGPEALAETLSKQSISNSESGPRGVHFIFNKENF

Molecular Weight

Approximately 34-37 kDa, based on SDS-PAGE under reducing conditions.

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

Lyophilized powder.

Formulation

Lyophilized from a 0.22 μm filtered solution of 10 mM Tris-HCl, 1 mM EDTA, 6% trehalose, 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.

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

CYBB/Nox2 Protein, Human (His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

  • Reconstitution Calculator

  • Dilution Calculator

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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:
CYBB/Nox2 Protein, Human (His)
Cat. No.:
HY-P72161
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