2h50: Difference between revisions

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==Overview==

Small heat shock proteins are a superfamily of molecular chaperones that, suppress protein aggregation and provide protection from cell stress. A, key issue for understanding their action is to define the interactions of, subunit domains in these oligomeric assemblies. Cryo-electron microscopy, of yeast Hsp26 reveals two distinct forms, each comprising 24 subunits, arranged in a porous shell with tetrahedral symmetry. The subunits form, elongated, asymmetric dimers that assemble via trimeric contacts., Modifications of both termini cause rearrangements that yield a further, four assemblies. Each subunit contains an N-terminal region, a globular, middle domain, the alpha-crystallin domain, and a C-terminal tail. Twelve, of the C termini form 3-fold assembly contacts which are inserted into the, interior of the shell, while the other 12 C termini form contacts on the, surface. Hinge points between the domains allow a variety of assembly, contacts, providing the flexibility required for formation of, supercomplexes with non-native proteins.

Small heat shock proteins are a superfamily of molecular chaperones that suppress protein aggregation and provide protection from cell stress. A key issue for understanding their action is to define the interactions of subunit domains in these oligomeric assemblies. Cryo-electron microscopy of yeast Hsp26 reveals two distinct forms, each comprising 24 subunits arranged in a porous shell with tetrahedral symmetry. The subunits form elongated, asymmetric dimers that assemble via trimeric contacts. Modifications of both termini cause rearrangements that yield a further four assemblies. Each subunit contains an N-terminal region, a globular middle domain, the alpha-crystallin domain, and a C-terminal tail. Twelve of the C termini form 3-fold assembly contacts which are inserted into the interior of the shell, while the other 12 C termini form contacts on the surface. Hinge points between the domains allow a variety of assembly contacts, providing the flexibility required for formation of supercomplexes with non-native proteins.

==About this Structure==

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[[Category: Buchner, J.]]

[[Category: Chen, S.]]

[[Category: Franzmann, T.M.]]

[[Category: Franzmann, T M.]]

[[Category: Gowen, B.]]

[[Category: Haslbeck, M.]]

[[Category: Ignatiou, A.]]

[[Category: Orlova, E.V.]]

[[Category: Orlova, E V.]]

[[Category: Saibil, H.R.]]

[[Category: Saibil, H R.]]

[[Category: Stromer, T.]]

[[Category: Wang, L.]]

[[Category: White, H.E.]]

[[Category: White, H E.]]

[[Category: alpha-crystallin]]

[[Category: chaperones]]

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[[Category: single particle reconstruction]]

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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 17:38:15 2008''

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@@ Line 4: / Line 4: @@
 ==Overview==
-Small heat shock proteins are a superfamily of molecular chaperones that, suppress protein aggregation and provide protection from cell stress. A, key issue for understanding their action is to define the interactions of, subunit domains in these oligomeric assemblies. Cryo-electron microscopy, of yeast Hsp26 reveals two distinct forms, each comprising 24 subunits, arranged in a porous shell with tetrahedral symmetry. The subunits form, elongated, asymmetric dimers that assemble via trimeric contacts., Modifications of both termini cause rearrangements that yield a further, four assemblies. Each subunit contains an N-terminal region, a globular, middle domain, the alpha-crystallin domain, and a C-terminal tail. Twelve, of the C termini form 3-fold assembly contacts which are inserted into the, interior of the shell, while the other 12 C termini form contacts on the, surface. Hinge points between the domains allow a variety of assembly, contacts, providing the flexibility required for formation of, supercomplexes with non-native proteins.
+Small heat shock proteins are a superfamily of molecular chaperones that suppress protein aggregation and provide protection from cell stress. A key issue for understanding their action is to define the interactions of subunit domains in these oligomeric assemblies. Cryo-electron microscopy of yeast Hsp26 reveals two distinct forms, each comprising 24 subunits arranged in a porous shell with tetrahedral symmetry. The subunits form elongated, asymmetric dimers that assemble via trimeric contacts. Modifications of both termini cause rearrangements that yield a further four assemblies. Each subunit contains an N-terminal region, a globular middle domain, the alpha-crystallin domain, and a C-terminal tail. Twelve of the C termini form 3-fold assembly contacts which are inserted into the interior of the shell, while the other 12 C termini form contacts on the surface. Hinge points between the domains allow a variety of assembly contacts, providing the flexibility required for formation of supercomplexes with non-native proteins.
 ==About this Structure==
@@ Line 15: / Line 15: @@
 [[Category: Buchner, J.]]
 [[Category: Chen, S.]]
-[[Category: Franzmann, T.M.]]
+[[Category: Franzmann, T M.]]
 [[Category: Gowen, B.]]
 [[Category: Haslbeck, M.]]
 [[Category: Ignatiou, A.]]
-[[Category: Orlova, E.V.]]
+[[Category: Orlova, E V.]]
-[[Category: Saibil, H.R.]]
+[[Category: Saibil, H R.]]
 [[Category: Stromer, T.]]
 [[Category: Wang, L.]]
-[[Category: White, H.E.]]
+[[Category: White, H E.]]
 [[Category: alpha-crystallin]]
 [[Category: chaperones]]
@@ Line 30: / Line 30: @@
 [[Category: single particle reconstruction]]
-''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jan 29 20:14:32 2008''
+''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 21 17:38:15 2008''