A protein fraction from human testis was structurally investigated. The main component of the fraction reported to contain inhibin-like activity was purified and analyzed by tryptic digestion. The peptides obtained identified the protein as an enzyme, superoxide dismutase, previously known to be present in seminal plasma. The results show that superoxide dismutase is a major enzyme, also of testicular material. They further demonstrate the importance of using pure fractions, and controls such as checks with structural analysis or synthetic peptides, in the work of elucidating the nature of inhibin and other hormonal peptides.
Rapid Communication| June 01 1986
Suproxide dismutase in human testis preparations
Sudhir B. Moodbidri;
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Jan Johansson, Ella Cederlund, Sudhir B. Moodbidri, Anil Sheth, Hans Jörnvall; Suproxide dismutase in human testis preparations. Biosci Rep 1 June 1986; 6 (6): 535–541. doi: https://doi.org/10.1007/BF01114950
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