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Title: Basic nuclear proteins in testicular cells and ejaculated spermatozoa in man
Authors: N. Tanphaichitr
P. Sobhon
N. Taluppeth
P. Chalermisarachai
Mahidol University
Keywords: Biochemistry, Genetics and Molecular Biology
Issue Date: 1-Jan-1978
Citation: Experimental Cell Research. Vol.117, No.2 (1978), 347-356
Abstract: Human testis was shown to contain a specific histone, TH2B, having the same electrophoretic mobility as rat TH2B. Testicular and ejaculated human sperm still possessed histones at 50% and 15% of the total basic nuclear proteins, respectively. Comparison of the electrophoretic patterns of histones from human testis, testicular sperm and ejaculated sperm implied that the histones may be removed in the order H2A and H1 before H3, H4 and H2B before TH2B. TH2B which is the major histone fraction in ejaculated sperm has no longer a strong affinity to DNA. TH2B in sperm nuclei could be separated from other basic nuclear proteins by Bio-Gel P-10 column chromatography and its amino acid composition is similar to that of rat TH2B, although no cysteine residue was found. © 1978.
ISSN: 00144827
Appears in Collections:Scopus 1969-1990

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