This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.


Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.


4fss

From Proteopedia

(Difference between revisions)
Jump to: navigation, search
Current revision (20:09, 19 October 2022) (edit) (undo)
 
(3 intermediate revisions not shown.)
Line 1: Line 1:
-
{{STRUCTURE_4fss| PDB=4fss | SCENE= }}
 
-
===Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution===
 
-
==Disease==
+
==Crystal structure of a RAS p21 protein activator (RASA1) from Homo sapiens at 2.25 A resolution==
-
[[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.
+
<StructureSection load='4fss' size='340' side='right'caption='[[4fss]], [[Resolution|resolution]] 2.25&Aring;' scene=''>
-
 
+
== Structural highlights ==
-
==Function==
+
<table><tr><td colspan='2'>[[4fss]] is a 3 chain structure with sequence from [https://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 [https://proteopedia.org/fgij/fg.htm?mol=4FSS FirstGlance]. <br>
-
[[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>
+
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
-
 
+
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4fss FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fss OCA], [https://pdbe.org/4fss PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4fss RCSB], [https://www.ebi.ac.uk/pdbsum/4fss PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4fss ProSAT]</span></td></tr>
-
==About this Structure==
+
</table>
-
[[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].
+
== Disease ==
 +
[https://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:[https://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:[https://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.
 +
== Function ==
 +
[https://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]]
-
 
+
== References ==
-
==Reference==
+
<references/>
-
<references group="xtra"/><references/>
+
__TOC__
 +
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
-
[[Category: Biology, Partnership for T-Cell.]]
+
[[Category: Large Structures]]
-
[[Category: JCSG, Joint Center for Structural Genomics.]]
+
-
[[Category: Gtpase activating protein]]
+
-
[[Category: Jcsg]]
+
-
[[Category: Joint center for structural genomic]]
+
-
[[Category: Protein structure initiative]]
+
-
[[Category: Psi-biology]]
+
-
[[Category: Ras signaling pathway]]
+
-
[[Category: Sh3 domain]]
+
-
[[Category: Signaling protein]]
+
-
[[Category: Structural genomic]]
+

Current revision

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

PDB ID 4fss

Drag the structure with the mouse to rotate

Proteopedia Page Contributors and Editors (what is this?)

OCA

Personal tools