Ubiquitin carrier enzyme E2-F1, purification, production, and us

Chemistry: molecular biology and microbiology – Enzyme – proenzyme; compositions thereof; process for... – Transferase other than ribonuclease

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435 74, 4351723, 4352523, 4352402, 4353201, 4351721, 536 232, C12N 910, C12N 1554

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active

053842553

ABSTRACT:
A method for isolating and purifying novel species of E2 ubiquitin-carrier protein, designated E2-F1, is disclosed. A method for preparing enzymatically active fragments of E2-F1 enzyme is also disclosed. The use of purified E2-F1 to produce antibodies is also disclosed. The use of such E2-F1-specific antibodies to detect the presence of E2-F1 in a biological sample, and to inhibit protein degradation are also disclosed. Recombinant DNA molecules which code for E2-F1, and recombinant hosts and vectors which contain E2-F1 coding sequences are also disclosed. The use of such recombinant hosts and vectors to produce E2-F1 protein is also disclosed. The use of purified E2-F1 to identify and to isolate E3 enzyme is also disclosed. Methods for screening substances for the ability to inhibit E2-F1 enzyme activity are also disclosed.

REFERENCES:
Ciechanover et al., Ubiquitin Dependence of Selective Protein Degradation Demonstrated in the Mammalian Cell Cycle Mutant ts85, Cell 37:57-66 (May 1984).
Ciechanover et al., ATP-dependent conjugation of reticulocyte proteins with the polypeptide required for protein degradation, Proc. Natl. Acad. Sci. USA 77(3):1365-1368 (Mar. 1980).
Ciechanover et al., "Covalent Affinity" Purification of Ubiquitin-activating Enzyme, Journal of Biological Chemistry 257(5):2537-2542 (Mar. 10, 1982).
Dohmen et al., The N-end rule is mediated by the UBC2(RAD6) ubiquitin-conjugating enzyme, Proc. Natl. Acad. Sci. USA 88:7351-7355 (Aug. 1991).
Donehower et al., Mice deficient for p53 are developmentally normal but susceptible to spontaneous tumours, Nature 35:215-221 (Mar. 19, 1992).
Girod et al., A Major Ubiquitin Conjugation System in Wheat Germ Extracts Involves a 15-kDa Ubiquitin-conjugating Enzyme (E2) Homologous to the Yeast UBC4/UBC5 Gene Products, J. Biol. Chem. 268:955-960 Jan. 15, 1993.
Goebl et al., The Yeast Cell Cycle Gene CDC34 Encodes a Ubiquitin-Conjugating Enzyme, Science 241:1331-1335 (Sep. 9, 1988).
Gonen et al., Purification and Characterization of a Novel Protein That Is Required for Degradation of N-.alpha.-Acetylated Proteins by the Ubiquitin System, J. of Biol. Chem. 266:19221-19231 (Oct. 15, 1991).
Heller et al., A Ubiquitin-Protein Ligase Specific for Type III Protein Substrates, Journal of Biological Chemistry 265(12):6532-6535 (Apr. 25, 1990).
Hershko et al., Components of Ubiquitin-Protein Ligase System, Journal of Biological Chemistry 258(13):8206-8214 (Jul. 10, 1983).
Hershko et al., Resolution of the ATP-dependent proteolytic system from reticulocytes: A Component that interacts with ATP, Proc. Natl. Acad. Sci. USA 76(7):3107-3110 (Jul. 1979).
Hershko et al., The Ubiquitin System For Protein Degradation, Annu. Rev. Biochem. 61:761-807 (1992).
Hingamp et al., A ubiqutin conjugating enzyme encoded by African swine fever virus, The EMBO Journal 11(1):361-366 (1992).
Jentsch et al., The Yeast DNA repair gene RAD6 encodes a ubiquitin-conjugating enzyme, Nature 329:131-134 (Sep. 10, 1987).
Liu et al., cDNA Cloning of a Novel Human Ubiquitin Carrier Protein, Journal of Biological Chemistry 267(22):15829-15835 (Aug. 5, 1992).
Mayer et al., Degradation of Proteins with Acetylated Amino Termini by the Ubiquitin System, Science 244:1480-1483 (Jun. 23, 1989).
Pickart et al., Functional Heterogeneity of Ubiquitin Carrier Proteins, Journal of Biological Chemistry 260(3):1573-1581 (Feb. 10, 1985).
Reiss et al., Specificity of Binding of NH.sub.2 -terminal Residue of Proteins to Ubiquitin-Protein Ligase, Use of Amino Acid Derivatives To Characterize Specific Binding Sites, J. Biol. Chem. 263(6):2693-2698 (Feb. 25, 1988).
Reiss et al., Affinity Purification of Ubiquitin-Protein Ligase on Immobilized Protein Substrates, Evidence for The Existence of Separate NH.sub.2 -Terminal Bindings Sites On A Single Enzyme, Journal of Biological Chemistry 265:3685-3690 (Mar. 5, 1990).
Reiss et al., Binding Sites of Ubiquitin-Protein Ligase, Binding of Ubiquitin-Protein Conjugates And Of Ubiquitin-Carrier Protein, Journal of Biological Chemistry 264(18):10378-10383 (Jun. 25, 1989).
Scheffner et al., The E6 Oncoprotein Encoded by Human Papillomavirus Types 16 and 18 Promotes the Degradation of p53, Cell 63:1129-1136 (Dec. 21, 1990).
Seufert et al., Ubiquitin-conjugating enzymes UBC4 and UBC5 mediate selective degradation of short-lived and abnornal proteins, The EMBO Journal 9(2):543-550 (1990).
Seufert et al., UBC1 encodes a novel member of an essential subfamily of yeast ubiquitin-conjugating enzymes involved in protein degradation, The EMBO Journal 9(13):4535-4541 (1990).
Sullivan et al., Cloning of a 16-kDa Ubiquitin Carrier Protein from Wheat and Arabidopsis thaliana, Identification Of Functional Domains By In Vitro Mutagenesis, J. Biol. Chem. 266(35):23878-23885 (Dec. 15, 1991).
Sullivan et al., A ubiquitin carrier protein from wheat germ is structurally and functionally similar to the yeast DNA repair enzyme encoded by RAD6, Proc. Natl. Acad. Sci. USA 86:9861-9865 (Dec. 1989).
Sung et al., Yeast RAD6 encoded ubiquitin conjugating enzyme mediates protein degradation dependent on the N-end-recognizing E3 enzyme, The EMBO Journal 10(8):2187-2193 (1991).
Treier et al., Drosphila UbcD1 encodes a highly conserved ubiquitin-conjugating enzyme involved in selective protein degradation, The EMBO Journal 11(1):367-372 (1992).
Werness et al., Association of Human Papillomavirus Types 16 and 18 E6 Proteins with p53, Science 248:76-79 (Apr. 6, 1990).
Wing et al., A Rabbit Reticulocyte Ubiquitin Carrier Protein That Supports Ubiquitin-dependent Proteolysis (E2.sub.14k) Is Homologous to the Yeast DNA Repair Gene RAD6, Journal of Biological Chemistry 267(10):6495-6501 (Apr. 5, 1992).

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