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1kmk

From Proteopedia

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[[Image:1kmk.gif|left|200px]]
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{{Seed}}
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[[Image:1kmk.png|left|200px]]
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{{STRUCTURE_1kmk| PDB=1kmk | SCENE= }}
{{STRUCTURE_1kmk| PDB=1kmk | SCENE= }}
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'''E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide intermediate (residue CSZ).'''
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===E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide intermediate (residue CSZ).===
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==Overview==
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E2 enzymes catalyze attachment of ubiquitin and ubiquitin-like proteins to lysine residues directly or through E3-mediated reactions. The small ubiquitin-like modifier SUMO regulates nuclear transport, stress response, and signal transduction in eukaryotes and is essential for cell-cycle progression in yeast. In contrast to most ubiquitin conjugation, the SUMO E2 enzyme Ubc9 is sufficient for substrate recognition and lysine modification of known SUMO targets. Crystallographic analysis of a complex between mammalian Ubc9 and a C-terminal domain of RanGAP1 at 2.5 A reveals structural determinants for recognition of consensus SUMO modification sequences found within SUMO-conjugated proteins. Structure-based mutagenesis and biochemical analysis of Ubc9 and RanGAP1 reveal distinct motifs required for substrate binding and SUMO modification of p53, IkappaBalpha, and RanGAP1.
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(as it appears on PubMed at http://www.pubmed.gov), where 11853669 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11853669}}
==About this Structure==
==About this Structure==
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[[Category: Psi]]
[[Category: Psi]]
[[Category: Structural genomic]]
[[Category: Structural genomic]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Fri May 2 22:55:07 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Jul 2 10:33:39 2008''

Revision as of 07:33, 2 July 2008

Image:1kmk.png

Template:STRUCTURE 1kmk

E. coli NifS/CsdB protein at 2.20A with the cysteine perselenide intermediate (residue CSZ).

Template:ABSTRACT PUBMED 11853669

About this Structure

1KMK is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.

Reference

Structural basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin-conjugating enzyme Ubc9 and RanGAP1., Bernier-Villamor V, Sampson DA, Matunis MJ, Lima CD, Cell. 2002 Feb 8;108(3):345-56. PMID:11853669

Page seeded by OCA on Wed Jul 2 10:33:39 2008

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