Abstract
Summary
1. Hydrolysates of a sample of Bence-Jones protein isolated from the urine of a patient with multiple myelomatosis were examined by paper chromatography. Quantitative estimations of 18 amino acids were also made by microbiological methods.
2. The protein was characterized by a very low content of methionine (0.12%) and by relatively large amounts of serine, threonine, and proline. No evidence of the presence of hydroxyproline was obtained.
3. The analyses accounted for 93% of the nitrogen present in the protein.
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