L-Tyrosine-3, 5- 3 H Assay for Tyrosinase Development in Skin of Newborn Hamsters
- 16 May 1969
- journal article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 164 (3881), 838-839
- https://doi.org/10.1126/science.164.3881.838
Abstract
Tyrosinase in hamster skin, measured by the production of 3HOH from L-tyrosine-3,5-3H, increases about sevenfold in specific activity from the 14-day fetus to day 6 of life. Albino hamsters exhibit no activity, but enzyme is present in the ventral (white) areas of the Syrian hamster. 3,4-Dihydroxy-L-phenylalanine is required as a cosubstrate.Keywords
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