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  • 1
    Electronic Resource
    Electronic Resource
    Identity of esterase-22 and egasyn, the protein which complexes with microsomal β-glucuronidase (1986)
    Springer
    Biochemical genetics 24 (1986), S. 229-243 
    Details
    ISSN: 1573-4927
    Keywords: egasyn ; esterase-22 ; esterases ; β-glucuronidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Recent experiments have demonstrated that egasyn not only sequesters β-glucuronidase in microsomes by forming high molecular weight complexes with β-glucuronidase, but also has carboxyl esterase activity. We have found several new phenotypes of egasyn-esterase after electrophoresis and isoelectric focusing of liver homogenates and purified egasyn of inbred and wild mouse strains. Several phenotypes corresponded in relative mobility and relative isoelectric point among inbred strains to that recently reported for esterase-22 by Eisenhardt and von Deimling [(1982). Comp. Biochem. Physiol. 73B:719]. This genetic evidence, plus a wide variety of comparative biochemical and physiological data, indicates that egasyn is identical to esterase-22. Both parental types of egasyn isozymes are expressed in heterozygous F1 progeny, suggesting that alterations in the egasyn structural gene are responsible for the altered isoelectric points. Also, egasyn is a monomer since no new esterase bands appear in F1 progeny. The variants in isoelectric point of egasyn map at or near the egasyn (Eg) gene within the esterases of cluster 1 near Es-9 on chromosome 8.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00502791
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  • 2
    Electronic Resource
    Electronic Resource
    Esterase-17 (ES-17): Characterization and genetic location on chromosome 9 of a bis-p-nitrophenyl phosphate-resistant esterase of the house mouse (Mus musculus) (1983)
    Springer
    Biochemical genetics 21 (1983), S. 37-48 
    Details
    ISSN: 1573-4927
    Keywords: esterases ; mouse genetics ; Es-17
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Genetic variation of a new codominantly inherited esterase, designated ES-17, has been discovered in the house mouse using isoelectric focusing in polyacrylamide gels. The ES-17 A phenotype (three bands; isoelectric points, betweenpH 5.55 andpH 5.90) was found in C57 BL/10Sn. LP/J possessed the Es-17B phenotype (three bands; isoelectric points,pH 5.05–5.55). ES-17 was present in all tissues examined, except for hemolysate and serum, and was most clearly expressed in the small intestine. Because of its reaction toward various substrates and inhibitors, ES-17 has tentatively been classified as acetyl esterase (EC 3.1.1.6). ES-17 was shown to be controlled by the structural locusEs-17, located on chromosome 9. From test-cross data, a gene order ofEs-17-8.7±2.5 map units-Mpi-1-10.2±2.7 map units-Mod-1 was established.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02395390
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  • 3
    Electronic Resource
    Electronic Resource
    Esterase-17 (ES-17): Characterization and genetic location on chromosome 9 of a bis-p-nitrophenyl phosphate-resistant esterase of the house mouse (Mus musculus) (1983)
    Springer
    Biochemical genetics 21 (1983), S. 37-48 
    Details
    ISSN: 1573-4927
    Keywords: esterases ; mouse genetics ; Es-17
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Genetic variation of a new codominantly inherited esterase, designated ES-17, has been discovered in the house mouse using isoelectric focusing in polyacrylamide gels. The ES-17 A phenotype (three bands; isoelectric points, between pH 5.55 and pH 5.90) was found in C57 BL/10Sn. LP/J possessed the Es-17B phenotype (three bands; isoelectric points, pH 5.05–5.55). ES-17 was present in all tissues examined, except for hemolysate and serum, and was most clearly expressed in the small intestine. Because of its reaction toward various substrates and inhibitors, ES-17 has tentatively been classified as acetyl esterase (EC 3.1.1.6). ES-17 was shown to be controlled by the structural locus Es-17, located on chromosome 9. From test-cross data, a gene order of Es-17-8.7±2.5 map units-Mpi-1-10.2±2.7 map units-Mod-1 was established.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00000004
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