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Conditions of optimal Myoglobin Protein performance should be determined experimentally by the investigator.
Price/availability/specifications subject to change without notice. Unless otherwise indicated, our catalog and customized products are for research use only and not intended for human or animal diagnostic or therapeutic use.
Phone: 1-617-401-8149
Fax: 1-617-606-5019
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Or leave a message with a formal purchase
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Introduction
Myoglobin is a member of the globin superfamily and can be found in skeletal and cardiac muscles. It is a haemoprotein that contributs to intracellular oxygen storage and transcellular facilitated diffusion of oxygen. Myoglobin has a single-chain globular structure of 153 amino acids, containing a heme prosthetic group (iron-containing porphyrin) in the core around which the remaining apoprotein folds. Myoglobin has 8 alpha helices and a hydrophobic core. Myoglobin? molecular weight is 16.7 kDa, and it is the primary oxygen-carrying pigment of muscle tissues. The binding of oxygen in myoglobin is different from the cooperative oxygen binding in hemoglobin, since positive collaboration is a property of multimeric/oligomeric proteins only. Instead, the binding of oxygen by myoglobin is uninfluenced by the oxygen pressure in the surrounding tissue. Myoglobin is frequently referred to as having an "instant binding tenacity" to oxygen given its hyperbolic oxygen dissociation curve. Different organisms are able to hold their breaths longer due to high concentrations of myoglobin in their muscle cells. Myoglobin is responsible for the pigments that make meat red. The color of the meat is partly determined by the charge of the iron atom in myoglobin and the oxygen attached to it. Myoglobin is found in Type I muscle, Type II A and Type II B, but it is mostly deemed that myoglobin is not found in smooth muscle. Myoglobin is discharged from damaged muscle tissue (rhabdomyolysis), which contains very high concentrations of myoglobin. Even though the released myoglobin is filtered by the kidneys, it is toxic to the renal tubular epithelium and thus may cause acute renal failure.
BP002369-PRO-071: Recombinant Human Myoglobin His Protein
Source: E. coli-derived.
MB protein is a single, non-glycosylated polypeptide chain containing 174 amino acids (1-154a.a.) and having a molecular mass of 19.3 kDa. MB protein is fused to a 20 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.
Purity: > 90% as determined by SDS-PAGE.
Formulation: The MB protein solution (1 mg/ml) is formulated in 20 mM Tris-HCl buffer (pH8.0) 1 mM DTT, 100 mM NaCl and 20% glycerol.
Shipping: The product is shipped with ice pack. Upon receipt, store it immediately at the temperature recommended below.
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.
Other Myoglobin Proteins:
Recombinant Human Myoglobin Protein
Recombinant Human Myoglobin (Heme free) Protein
Human Myoglobin Protein
Myoglobin Antibodies:
Myoglobin Polyclonal Antibody
Myoglobin Monoclonal Antibody
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