Kasperek EM - Search Results

1

Structure and function of ubiquitin conjugating enzyme E2-25K: the tail is a core-dependent activity element.

Haldeman MT, Xia G, Kasperek EM, Pickart CM. Haldeman MT, et al. Among authors: kasperek em. Biochemistry. 1997 Aug 26;36(34):10526-37. doi: 10.1021/bi970750u. Biochemistry. 1997. PMID: 9265633

2

Iodination of tyrosine 59 of ubiquitin selectively blocks ubiquitin's acceptor activity in diubiquitin synthesis catalyzed by E2(25K).

Pickart CM, Haldeman MT, Kasperek EM, Chen Z. Pickart CM, et al. Among authors: kasperek em. J Biol Chem. 1992 Jul 15;267(20):14418-23. J Biol Chem. 1992. PMID: 1321147 Free article.

3

Inhibition of ubiquitin-protein ligase (E3) by mono- and bifunctional phenylarsenoxides. Evidence for essential vicinal thiols and a proximal nucleophile.

Berleth ES, Kasperek EM, Grill SP, Braunscheidel JA, Graziani LA, Pickart CM. Berleth ES, et al. Among authors: kasperek em. J Biol Chem. 1992 Aug 15;267(23):16403-11. J Biol Chem. 1992. PMID: 1644825 Free article.

4

Metabolism of the polyubiquitin degradation signal: structure, mechanism, and role of isopeptidase T.

Wilkinson KD, Tashayev VL, O'Connor LB, Larsen CN, Kasperek E, Pickart CM. Wilkinson KD, et al. Biochemistry. 1995 Nov 7;34(44):14535-46. doi: 10.1021/bi00044a032. Biochemistry. 1995. PMID: 7578059

5

Structure of tetraubiquitin shows how multiubiquitin chains can be formed.

Cook WJ, Jeffrey LC, Kasperek E, Pickart CM. Cook WJ, et al. J Mol Biol. 1994 Feb 18;236(2):601-9. doi: 10.1006/jmbi.1994.1169. J Mol Biol. 1994. PMID: 8107144

6

Substrate properties of site-specific mutant ubiquitin protein (G76A) reveal unexpected mechanistic features of ubiquitin-activating enzyme (E1).

Pickart CM, Kasperek EM, Beal R, Kim A. Pickart CM, et al. Among authors: kasperek em. J Biol Chem. 1994 Mar 11;269(10):7115-23. J Biol Chem. 1994. PMID: 8125920 Free article.

7

Core domain mutation (S86Y) selectively inactivates polyubiquitin chain synthesis catalyzed by E2-25K.

Mastrandrea LD, Kasperek EM, Niles EG, Pickart CM. Mastrandrea LD, et al. Among authors: kasperek em. Biochemistry. 1998 Jul 7;37(27):9784-92. doi: 10.1021/bi9800911. Biochemistry. 1998. PMID: 9657692

8

Dynamics of Ubiquitin Pools in Developing Sea Urchin Embryos: (ubiquitin/embryogenesis/proteolysis).

Pickart CM, Summers RG, Shim H, Kasperek EM. Pickart CM, et al. Among authors: kasperek em. Dev Growth Differ. 1991 Dec;33(6):587-598. doi: 10.1111/j.1440-169X.1991.00587.x. Dev Growth Differ. 1991. PMID: 37282254

9

Dissection of the molecular basis of pp60(v-src) induced gating of connexin 43 gap junction channels.

Zhou L, Kasperek EM, Nicholson BJ. Zhou L, et al. Among authors: kasperek em. J Cell Biol. 1999 Mar 8;144(5):1033-45. doi: 10.1083/jcb.144.5.1033. J Cell Biol. 1999. PMID: 10085299 Free PMC article.

10

Identification of amino acid residues lining the pore of a gap junction channel.

Skerrett IM, Aronowitz J, Shin JH, Cymes G, Kasperek E, Cao FL, Nicholson BJ. Skerrett IM, et al. J Cell Biol. 2002 Oct 28;159(2):349-60. doi: 10.1083/jcb.200207060. Epub 2002 Oct 28. J Cell Biol. 2002. PMID: 12403817 Free PMC article.

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