2ht6: Difference between revisions

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|PDB= 2ht6 |SIZE=350|CAPTION= <scene name='initialview01'>2ht6</scene>, resolution 2.400&Aring;
|PDB= 2ht6 |SIZE=350|CAPTION= <scene name='initialview01'>2ht6</scene>, resolution 2.400&Aring;
|SITE=  
|SITE=  
|LIGAND= <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene> and <scene name='pdbligand=GDP:GUANOSINE-5&#39;-DIPHOSPHATE'>GDP</scene>
|LIGAND= <scene name='pdbligand=GDP:GUANOSINE-5&#39;-DIPHOSPHATE'>GDP</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>
|ACTIVITY=  
|ACTIVITY=  
|GENE= GEM, KIR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|GENE= GEM, KIR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|DOMAIN=
|RELATEDENTRY=
|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2ht6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2ht6 OCA], [http://www.ebi.ac.uk/pdbsum/2ht6 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=2ht6 RCSB]</span>
}}
}}


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==Overview==
==Overview==
Gem, a member of the Rad,Gem/Kir subfamily of small G-proteins, has unique sequence features. We report here the crystallographic structure determination of the Gem G-domain in complex with nucleotide to 2.4 A resolution. Although the basic Ras protein fold is maintained, the Gem switch regions emphatically differ from the Ras paradigm. Our ensuing biochemical characterization indicates that Gem G-domain markedly prefers GDP over GTP. Two known functions of Gem are distinctly affected by spatially separated clusters of mutations.
Gem, a member of the Rad,Gem/Kir subfamily of small G-proteins, has unique sequence features. We report here the crystallographic structure determination of the Gem G-domain in complex with nucleotide to 2.4 A resolution. Although the basic Ras protein fold is maintained, the Gem switch regions emphatically differ from the Ras paradigm. Our ensuing biochemical characterization indicates that Gem G-domain markedly prefers GDP over GTP. Two known functions of Gem are distinctly affected by spatially separated clusters of mutations.
==Disease==
Known diseases associated with this structure: Long QT syndrome-7 OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=600681 600681]], Short QT syndrome-3 OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=600681 600681]]


==About this Structure==
==About this Structure==
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[[Category: Hirsch, J A.]]
[[Category: Hirsch, J A.]]
[[Category: Opatowsky, Y.]]
[[Category: Opatowsky, Y.]]
[[Category: GDP]]
[[Category: MG]]
[[Category: small g-protein]]
[[Category: small g-protein]]


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