Native Proteins

RayBiotech has been providing high-quality protein products to the scientific community for over 15 years. In addition to our diverse catalog of native proteins, we also offer a comprehensive Custom Recombinant Protein Service to help meet all of your research needs.

Prepared by modification of the procedure of Spudich and Watt, J. Biol. Chem., 246, 4866 (1971). Purity checked by SDS-PAGE. A lyophilized powder.
Biological activity: Satisfactory Molecular Weight: 41.8 kDa (Theoretical) Source: Rabbit Muscle 

Prepared by a method developed at RayBiotech. Some degradation products may be present. ≥90% of the material is intact BSA as determined by SDS PAGE. Tested for exonuclease, endonuclease, ribonuclease, and protease. An aqueous solution at neutral pH in 50% glycerol at 50 mg/ml.
Molecular Weight: 66.4 kDa (Theoretical) Source: Bovine Serum 

Type I collagen prepared by the method of Einbinder and Schubert, J. Biol. Chem., 188, 335 (1951). Supplied as a shredded, lyophilized, insoluble preparation.
Molecular Weight: Molecular Weight. In tendons these macromolecules, grouped as collagen fibrils, run parallel to the axis, in skin the fibrils are interlaced and branched. Collagen has been reviewed by Gallop and Seifter (1963) Source: Bovine Achilles Tendon 

Suitable protease substrate. Prepared from repeatedly washed, then lysed, and dialyzed bovine red cells. A lyophilized powder.
Molecular Weight: Molecular Weight (Henry 1968) Source: Bovine Erythrocytes 

An ethanol dried powder. Unfractionated mixture of histones.
Source: Calf Thymus 

A dialyzed, lyophilized powder. Unfractionated mixture of histones.
Source: Calf Thymus 

A complex of histone and DNA. Zamenhof, S. Methods in Enzymology, 3, 696, (1957). A dialyzed, lyophilized powder.
Source: Calf Thymus 

A dry powder prepared by the method of Nisizawa and Pigman, Arch. Oral. Biol., 1, 161 (1959). Suitable as a substrate for neuraminidase.
Molecular Weight: 400,000 (Downs and Pigman 1969) Source: Bovine Submaxillary Gland 

Supplied as a dialyzed, lyophilized powder.
Biological activity: ≥95% Purity (SDS-Page) Molecular Weight: Molecular Weight marker Standard for mass spectroscopy ELISA Source: Bovine skeletal muscle 

Major protein of egg white, with a molecular weight of 45 kDa. A lyophilized powder.
Molecular Weight: 42.7 kDa (Theoretical) Source: Egg white 

Ovalbumin, purified to remove endotoxin and tested. A dialyzed, lyophilized powder containing less than 1 EU/mg. Store at 2-8°C.
Biological activity: ≥95% SDS-PAGE ≤1 Endotoxin unit per milligram Molecular Weight: 42.7 kDa (Theoretical) Source: Egg White 

Chromatographically purified. Major protein of egg white, with a molecular weight of 45 kDa. A dialyzed, lyophilized powder.
Molecular Weight: 42.7 kDa (Theoretical) Source: Egg White 

Description Native lapine angiotensin converting enzyme CAS number: 9015-82-1 EC number: Specifications Size 0.25 UNITS Stability & Storage...
Size: 0.25 UNITS 

Description DS-01-0007 is grade 2 adenovirus, adenoid 6 strain grown in MRC-5 cells in tissue culture, the preparation contains a high concentration of...
Size: 1 ml 

Crystalline suspension. Free of endonuclease, exonuclease and RNase activities. Specifications Size 5 mg Instructions for Use The product may be...
Size: 5 mg 

Specifications Size 100 UNITS Assay Buffers Phosphate buffered saline. Stability & Storage Storage/Stability Store at -20°C only. Storage...
Size: 100 UNITS 

Description DS-01-0015 is native human Alpha-1-Microglobulin, a secreted peptide thought to play a role in the regulation of inflammatory processes. This...
Size: 1 mg 

Description DS-01-0020 can be used for coating microplates and as a ligand for immunosorbent preparation. Apolipoproteins are lipid-binding proteins which...
Size: 500 ug 

Human beta-2 microglobulin was prepared from urine from patients with renal tubular proteinuria. Specifications Size 1 mg Stability & Storage...
Size: 1 mg 

Description Escherichia coli Beta-Galactosidase is an inducible tetrameric enzyme coded by the lac Z gene of the lac operon that is often used as a...
Size: 5 mg 
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