| http://www.w3.org/ns/prov#value | - No. W69437 and W69436). [0502] As used herein, a polypeptide is said to be ???isolated??? or ???purified??? when it is substantially free of cellular material when it is isolated from recombinant and non-recombinant cells, or free of chemical precursors or other chemicals when it is chemically synthesized.
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