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Free and bound 5-S-cysteinyldopa and dopa in human malignant melanomas
Acta Dermato-Venereologica
|January 1, 1978
Abstract:
Free dopa and 5-S-cysteinyldopa were extracted from two human melanomas. Subsequent hydrolysis of carefully washed melanoma tissue released dopa and 5-S-cysteinyldopa, indication the presence of these catechol amino acids in proteins. Cysteinyldopa-containing proteins may represent the antigens previously demonstrated in human melanomas.