Esterase-16 (ES-16) of the rat (Rattus norvegicus): Identification and genetic characterization |
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| Authors: | Otto H von Deimling Babette Simon Reinhard Kluge Hans Hedrich |
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| Institution: | 1. Pathologisches Institut der Universit?t Freiburg, D-7800, Freiburg, F.R.G.
2. Zentralinstitut für Versuchstierzucht, Hannover, F.R.G.
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| Abstract: | Esterase-16, an esterase present in lung and other tissues of the laboratory rat, has been characterized by its biochemical properties (electrophoretic mobility, substrate pattern, sensitivity to inhibitors) and genetic variation in 107 inbred strains and substrains including 14 RI strains. It was classified as a carboxylesterase (EC 3.1.1.1). The phenotype ES-16A (BN/Han and 63 other strains) was defined as a narrow electrophoretic band migrating between ES-1A and ES-13A, ES-16B (LEW/Han and 42 other strains) exhibited the same electrophoretic mobility as ES-16A but was distinguished by its extremely weak activity. Segregation of ES-16 in RI strains and backcrosses indicated linkage to linkage group V (LGV). The Es-16 locus was tentatively placed into esterase cluster 2 and homology with Es-7 of the house mouse is proposed. |
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