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Aminopeptidase of seminal plasma was studied in normozoospermic, oligozoospermic, obstructive and non-obstructive azoospermic men. Significantly higher activity was observed in non-obstructive azoospermic patients than that of other three groups. L-Alanine beta-naphthylamide hydrochloride was found to have highest hydrolysis rate in comparison to various other aminoacyl beta-naphthylamide hydrochlorides which were used for determining substrate specificity. 50% inhibitions of the enzyme activity by EDTA and 1,10-phenanthroline were obtained at 5.77 X 10(-3) M and 3.13 X 10(-6) M concentrations respectively. A single band for aminopeptidase in the activity - gel electrophoresis was obtained for all the categories of seminal plasma and the enzyme exhibited the characteristics of metalloprotein.
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
January 1985,
Andrologia,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
January 1982,
Endokrynologia Polska,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
October 1988,
Clinica chimica acta; international journal of clinical chemistry,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
June 1979,
Fertility and sterility,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
December 1965,
Archiv fur klinische und experimentelle Dermatologie,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
October 1997,
Journal of biochemistry,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
January 2003,
Journal of andrology,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
December 1994,
International journal of urology : official journal of the Japanese Urological Association,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
January 1982,
Annals of the New York Academy of Sciences,
S K Nag Das, and
A Bhattacharyya, and
A K Bhattacharyya
April 1974,
Biochimica et biophysica acta,
