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Animal-free proteins offer an alternative to researchers concerned about the experimental variables
caused by the use of reagents containing trace animal components and mammalian pathogens. All of
our animal-free proteins are manufactured in dedicated facilities using only animal-free reagents and
components. Animal-free proteins have comparable biological activity and purity to animal-derived
proteins produced using standard techniques.
The 155 amino acid recombinant protein has a predicted molecular mass of approximately 18.1 kD. This protein exists as a disulfide-linked homodimer and the predicted molecular mass is 36.2 kD. The predicted N-terminal amino acid is Met.
The 159 amino acid N-terminal methionylated recombinant protein has a predicted molecular weight of 18.5 kD. The predicted N-terminal amino acid is Met. Recombinant human M-CSF is a 37 kD homodimeric protein.