1nmd
From Proteopedia
(New page: 200px<br /> <applet load="1nmd" size="450" color="white" frame="true" align="right" spinBox="true" caption="1nmd, resolution 1.90Å" /> '''Crystal Structure o...) |
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caption="1nmd, resolution 1.90Å" /> | caption="1nmd, resolution 1.90Å" /> | ||
'''Crystal Structure of D. Discoideum Actin-Gelsolin Segment 1 Complex Crystallized In Presence Of Lithium ATP'''<br /> | '''Crystal Structure of D. Discoideum Actin-Gelsolin Segment 1 Complex Crystallized In Presence Of Lithium ATP'''<br /> | ||
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==About this Structure== | ==About this Structure== | ||
| - | 1NMD is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Dictyostelium_discoideum Dictyostelium discoideum] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with CA, SO4, ATP and SO2 as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http:// | + | 1NMD is a [http://en.wikipedia.org/wiki/Protein_complex Protein complex] structure of sequences from [http://en.wikipedia.org/wiki/Dictyostelium_discoideum Dictyostelium discoideum] and [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] with <scene name='pdbligand=CA:'>CA</scene>, <scene name='pdbligand=SO4:'>SO4</scene>, <scene name='pdbligand=ATP:'>ATP</scene> and <scene name='pdbligand=SO2:'>SO2</scene> as [http://en.wikipedia.org/wiki/ligands ligands]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1NMD OCA]. |
==Reference== | ==Reference== | ||
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[[Category: gelsolin]] | [[Category: gelsolin]] | ||
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Revision as of 14:29, 15 February 2008
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Crystal Structure of D. Discoideum Actin-Gelsolin Segment 1 Complex Crystallized In Presence Of Lithium ATP
Contents |
Overview
The structures of Saccharomyces cerevisiae, Dictyostelium, and, Caenorhabditis elegans actin bound to gelsolin segment-1 have been solved, and refined at resolutions between 1.9 and 1.75 A. These structures reveal, several features relevant to the ATP hydrolytic mechanism, including, identification of the nucleophilic water and the roles of Gln-137 and, His-161 in positioning and activating the catalytic water, respectively., The involvement of these residues in the catalytic mechanism is consistent, with yeast genetics studies. This work highlights both structural and, mechanistic similarities with the small and trimeric G proteins and, restricts the types of mechanisms responsible for the considerable, enhancement of ATP hydrolysis associated with actin polymerization. The, conservation of functionalities involved in nucleotide binding and, catalysis also provide insights into the mechanistic features of members, of the family of actin-related proteins.
Disease
Known disease associated with this structure: Amyloidosis, Finnish type OMIM:[137350]
About this Structure
1NMD is a Protein complex structure of sequences from Dictyostelium discoideum and Homo sapiens with , , and as ligands. Full crystallographic information is available from OCA.
Reference
The structure of nonvertebrate actin: implications for the ATP hydrolytic mechanism., Vorobiev S, Strokopytov B, Drubin DG, Frieden C, Ono S, Condeelis J, Rubenstein PA, Almo SC, Proc Natl Acad Sci U S A. 2003 May 13;100(10):5760-5. Epub 2003 May 5. PMID:12732734
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