3lk4: Difference between revisions
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===Crystal structure of CapZ bound to the uncapping motif from CD2AP=== | ===Crystal structure of CapZ bound to the uncapping motif from CD2AP=== | ||
{{ABSTRACT_PUBMED_020357771}} | {{ABSTRACT_PUBMED_020357771}} | ||
==Disease== | |||
[[http://www.uniprot.org/uniprot/CD2AP_HUMAN CD2AP_HUMAN]] Defects in CD2AP are the cause of susceptibility to focal segmental glomerulosclerosis type 3 (FSGS3) [MIM:[http://omim.org/entry/607832 607832]]. A renal pathology defined by the presence of segmental sclerosis in glomeruli and resulting in proteinuria, reduced glomerular filtration rate and edema. Renal insufficiency often progresses to end-stage renal disease, a highly morbid state requiring either dialysis therapy or kidney transplantation.<ref>PMID:12764198</ref> | |||
==Function== | |||
[[http://www.uniprot.org/uniprot/CAZA1_CHICK CAZA1_CHICK]] F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments. CapZ may mediate the attachment of the barbed ends of actin filaments to the Z-line. [[http://www.uniprot.org/uniprot/CD2AP_HUMAN CD2AP_HUMAN]] Seems to act as an adapter protein between membrane proteins and the actin cytoskeleton. May play a role in receptor clustering and cytoskeletal polarity in the junction between T-cell and antigen-presenting cell. May anchor the podocyte slit diaphragm to the actin cytoskeleton in renal glomerolus. Also required for cytokinesis.<ref>PMID:15800069</ref> [[http://www.uniprot.org/uniprot/CAPZB_CHICK CAPZB_CHICK]] F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments. May play a role in the regulation of cell morphology and cytoskeletal organization. | |||
==About this Structure== | ==About this Structure== | ||
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==Reference== | ==Reference== | ||
<ref group="xtra">PMID:020357771</ref><references group="xtra"/> | <ref group="xtra">PMID:020357771</ref><references group="xtra"/><references/> | ||
[[Category: Gallus gallus]] | [[Category: Gallus gallus]] | ||
[[Category: Cooper, J A.]] | [[Category: Cooper, J A.]] | ||
Revision as of 13:29, 24 March 2013
Crystal structure of CapZ bound to the uncapping motif from CD2APCrystal structure of CapZ bound to the uncapping motif from CD2AP
Template:ABSTRACT PUBMED 020357771
DiseaseDisease
[CD2AP_HUMAN] Defects in CD2AP are the cause of susceptibility to focal segmental glomerulosclerosis type 3 (FSGS3) [MIM:607832]. A renal pathology defined by the presence of segmental sclerosis in glomeruli and resulting in proteinuria, reduced glomerular filtration rate and edema. Renal insufficiency often progresses to end-stage renal disease, a highly morbid state requiring either dialysis therapy or kidney transplantation.[1]
FunctionFunction
[CAZA1_CHICK] F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments. CapZ may mediate the attachment of the barbed ends of actin filaments to the Z-line. [CD2AP_HUMAN] Seems to act as an adapter protein between membrane proteins and the actin cytoskeleton. May play a role in receptor clustering and cytoskeletal polarity in the junction between T-cell and antigen-presenting cell. May anchor the podocyte slit diaphragm to the actin cytoskeleton in renal glomerolus. Also required for cytokinesis.[2] [CAPZB_CHICK] F-actin-capping proteins bind in a Ca(2+)-independent manner to the fast growing ends of actin filaments (barbed end) thereby blocking the exchange of subunits at these ends. Unlike other capping proteins (such as gelsolin and severin), these proteins do not sever actin filaments. May play a role in the regulation of cell morphology and cytoskeletal organization.
About this StructureAbout this Structure
3lk4 is a 36 chain structure with sequence from Gallus gallus. Full crystallographic information is available from OCA.
See AlsoSee Also
ReferenceReference
- ↑ Hernandez-Valladares M, Kim T, Kannan B, Tung A, Aguda AH, Larsson M, Cooper JA, Robinson RC. Structural characterization of a capping protein interaction motif defines a family of actin filament regulators. Nat Struct Mol Biol. 2010 Apr;17(4):497-503. Epub 2010 Mar 28. PMID:20357771 doi:10.1038/nsmb.1792
- ↑ Kim JM, Wu H, Green G, Winkler CA, Kopp JB, Miner JH, Unanue ER, Shaw AS. CD2-associated protein haploinsufficiency is linked to glomerular disease susceptibility. Science. 2003 May 23;300(5623):1298-300. PMID:12764198 doi:10.1126/science.1081068
- ↑ Monzo P, Gauthier NC, Keslair F, Loubat A, Field CM, Le Marchand-Brustel Y, Cormont M. Clues to CD2-associated protein involvement in cytokinesis. Mol Biol Cell. 2005 Jun;16(6):2891-902. Epub 2005 Mar 30. PMID:15800069 doi:E04-09-0773