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L-Tyrosine,L-seryl-L-tyrosyl-L-seryl-L-tyrosyl-L-seryl-L-seryl-L-tyrosyl-L-seryl-L-tyrosyl-L-seryl-L-tyrosyl-L-seryl-L-tyrosyl-L-alanyl-L-methionyl-L-a-aspartyl-