4fss

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{{STRUCTURE_4fss| PDB=4fss | SCENE= }}
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==Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution==
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===Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution===
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<StructureSection load='4fss' size='340' side='right' caption='[[4fss]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
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== Structural highlights ==
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==Disease==
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<table><tr><td colspan='2'>[[4fss]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FSS OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4FSS FirstGlance]. <br>
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[[http://www.uniprot.org/uniprot/RASA1_HUMAN RASA1_HUMAN]] Note=Mutations in the SH2 domain of RASA seem to be oncogenic and cause basal cell carcinomas. Defects in RASA1 are the cause of capillary malformation-arteriovenous malformation (CMAVM) [MIM:[http://omim.org/entry/608354 608354]]. CMAVM is a disorder characterized by atypical capillary malformations that are multiple, small, round to oval in shape and pinkish red in color. These capillary malformations are associated with either arteriovenous malformation, arteriovenous fistula, or Parkes Weber syndrome.<ref>PMID:14639529</ref> Defects in RASA1 are a cause of Parkes Weber syndrome (PKWS) [MIM:[http://omim.org/entry/608355 608355]]. PKWS is a disorder characterized by a cutaneous flush with underlying multiple micro-arteriovenous fistulas, in association with soft tissue and skeletal hypertrophy of the affected limb.
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
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<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
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==Function==
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">BC033015, RASA, RASA1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
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[[http://www.uniprot.org/uniprot/RASA1_HUMAN RASA1_HUMAN]] Inhibitory regulator of the Ras-cyclic AMP pathway. Stimulates the GTPase of normal but not oncogenic Ras p21; this stimulation may be further increased in the presence of NCK1.<ref>PMID:8360177</ref><ref>PMID:11389730</ref>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4fss FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fss OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4fss RCSB], [http://www.ebi.ac.uk/pdbsum/4fss PDBsum]</span></td></tr>
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</table>
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==About this Structure==
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== Disease ==
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[[4fss]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FSS OCA].
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[[http://www.uniprot.org/uniprot/RASA1_HUMAN RASA1_HUMAN]] Note=Mutations in the SH2 domain of RASA seem to be oncogenic and cause basal cell carcinomas. Defects in RASA1 are the cause of capillary malformation-arteriovenous malformation (CMAVM) [MIM:[http://omim.org/entry/608354 608354]]. CMAVM is a disorder characterized by atypical capillary malformations that are multiple, small, round to oval in shape and pinkish red in color. These capillary malformations are associated with either arteriovenous malformation, arteriovenous fistula, or Parkes Weber syndrome.<ref>PMID:14639529</ref> Defects in RASA1 are a cause of Parkes Weber syndrome (PKWS) [MIM:[http://omim.org/entry/608355 608355]]. PKWS is a disorder characterized by a cutaneous flush with underlying multiple micro-arteriovenous fistulas, in association with soft tissue and skeletal hypertrophy of the affected limb.
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== Function ==
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[[http://www.uniprot.org/uniprot/RASA1_HUMAN RASA1_HUMAN]] Inhibitory regulator of the Ras-cyclic AMP pathway. Stimulates the GTPase of normal but not oncogenic Ras p21; this stimulation may be further increased in the presence of NCK1.<ref>PMID:8360177</ref> <ref>PMID:11389730</ref>
==See Also==
==See Also==
*[[Ras GTPase activating protein|Ras GTPase activating protein]]
*[[Ras GTPase activating protein|Ras GTPase activating protein]]
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== References ==
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==Reference==
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<references/>
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<references group="xtra"/><references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Biology, Partnership for T-Cell.]]
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[[Category: Biology, Partnership for T-Cell]]
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[[Category: JCSG, Joint Center for Structural Genomics.]]
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[[Category: Structural genomic]]
[[Category: Gtpase activating protein]]
[[Category: Gtpase activating protein]]
[[Category: Jcsg]]
[[Category: Jcsg]]
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[[Category: Joint center for structural genomic]]
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[[Category: PSI, Protein structure initiative]]
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[[Category: Protein structure initiative]]
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[[Category: Psi-biology]]
[[Category: Psi-biology]]
[[Category: Ras signaling pathway]]
[[Category: Ras signaling pathway]]
[[Category: Sh3 domain]]
[[Category: Sh3 domain]]
[[Category: Signaling protein]]
[[Category: Signaling protein]]
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[[Category: Structural genomic]]
 

Revision as of 11:01, 21 December 2014

Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution

4fss, resolution 2.25Å

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