1euv: Difference between revisions

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[[Image:1euv.gif|left|200px]]
{{Seed}}
[[Image:1euv.png|left|200px]]


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{{STRUCTURE_1euv|  PDB=1euv  |  SCENE=  }}  
{{STRUCTURE_1euv|  PDB=1euv  |  SCENE=  }}  


'''X-RAY STRUCTURE OF THE C-TERMINAL ULP1 PROTEASE DOMAIN IN COMPLEX WITH SMT3, THE YEAST ORTHOLOG OF SUMO.'''
===X-RAY STRUCTURE OF THE C-TERMINAL ULP1 PROTEASE DOMAIN IN COMPLEX WITH SMT3, THE YEAST ORTHOLOG OF SUMO.===




==Overview==
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Modification of cellular proteins by the ubiquitin-like protein SUMO is essential for nuclear processes and cell cycle progression in yeast. The Ulp1 protease catalyzes two essential functions in the SUMO pathway: (1) processing of full-length SUMO to its mature form and (2) deconjugation of SUMO from targeted proteins. Selective reduction of the proteolytic reaction produced a covalent thiohemiacetal transition state complex between a Ulp1 C-terminal fragment and its cellular substrate Smt3, the yeast SUMO homolog. The Ulp1-Smt3 crystal structure and functional testing of elements within the conserved interface elucidate determinants of SUMO recognition, processing, and deconjugation. Genetic analysis guided by the structure further reveals a regulatory element N-terminal to the proteolytic domain that is required for cell growth in yeast.
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==About this Structure==
==About this Structure==
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[[Category: Thiohemiacetal]]
[[Category: Thiohemiacetal]]
[[Category: Ubiquitin-like protease 1]]
[[Category: Ubiquitin-like protease 1]]
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